FUJITSU
FUJITSU AMERICA, INC.
M2266S/H
Intelligent Disk Drive
Technical Handbook
FS810125-01 ... B
VFeature® is a registered trademark of Golden Bow Systems.
Copyright 1990, Fujitsu America, Inc.
Printed in the U.S.A.
A First Printing
B August. 1990 Editing
Specification No.: FS810125-Ql
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The contents of this manual are subject to change without prior notice.
All Rights Reserved,
FAI Copyright ©1990 FUJITSU LIMITED.
FS810125-01 . . . B
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Fujitsu America, Inc. FS81012S-01 . . . B iii
Table of Contents
List of Tables ... .ii List of Figures ... .iii Section 1. General Description ... 1-1
Standard Features ... 1-2 Hardware Structure ... 1-5 System Configuration ... 1-7 Model/Part Number Cross References ... 1-8 Section 2. Installation Requirements ... 2-1 Introduction ... 2-1 Outer Dimensions ... 2-1 Mounting ... 2-6 Mounting Frame Structure ... 2-6 Service Clearance Area ... 2-7 Power Supply Requirements ... 2-7 Allowable Input Voltage and Current ... 2-7 Current Waveform ... 2-7 Power OnlOff Sequence ... 2-8 Sequential Starting of Spindle Motors ... 2-10 Power Supply to SCSI Terminating Resistor ... 2-10 Connectors ... 2-11 Power Supply Connector ... 2-13 SCSI Connector ... 2-13 SG Terminal. ... 2-14 Connectors for External Operator Panel ... 2-14 Connection Requirements ... 2-16 SCSI Cable ... 2-16 Power Cable ... 2-19 DC Ground ... 2-20 External Operator Panel. ... 2-20 Environmental Requirements ... 2-22
Fujitsu America, Inc. FS810125-0l ... A v
Section 3. Hardware Installation ... 3-1 Notes on Handling Drives ... 3-1 Connections ... 3-2 Setting Terminals ... 3-4 Setting Terminals CN3 and CN9 ... 3-6 Setting Terminals CNH1, CNH2, CNH3, and CNH4 ... .3-9 SCSI Terminating Resistor ... 3-12 Mounting Drives ... 3-15 Mounting Procedures ... .3-15 Connecting Cables ... .3-15 Confirming Operations after Installation ... 3-16 Initializing the drive ... .3-18 Section 4. Software Installation ... 4-1
Introduction ... 4-1 Preparation of the Hard Disk for DOS Applications ... .4-1 Definition of Drive Type ... 4-1 Drive Partitioning ... 4-1 Basic Steps for Software Installation ... 4-2 Section 5. Specifications ... 5-1 Section 6. Troubleshooting ... 6-1 Troubleshooting checklist. ... 6-1 Diagnostics ... 6-2 Self-Diagnostics ... 6-2 Test Programs ... 6-4 Maintenance Information ... 6-5 Revision Numbers ... 6-6 Spare Parts ... 6-6 SCSI Bus Signal Assignments ... 6-7
vi FS810125-01 ... A Fujitsu America, Inc.
List of Tables
Table 1.1 IDD Models and Part Numbers Table 3.1 Setting Checklist
Table 5.1 Drive Functional Specifications Table 5.2 SCSI Functional Specifications Table 5.3 Environmental Specifications Table 6.1 Self-Diagnostic Functions Table 6.2 Spate Parts
Table 6.3 SCSI Connector Signal Assignments (Single-Ended Type: M2266S) Table 6.4 SCSI Connector Signal Assignments
(Differential Type: M2266H)
List of Figures
Figure 1.1 M2266S Outer View Figure 1.2 System Configuration
Figure 2.1 Exterior Dimensions of the M2266S without Front Panel
Figure 2.2 Exterior Dimensions of the M2266S with Front Panel
Figure 2.3 Exterior Dimensions of the M2266H without Front Panel
Figure 2.4 Exterior Dimensions of the M2266H with Front Panel
1-9 3-14 5-1 5-3 5-13 6-2 6-7 6-7 6-8
1-5 1-7 2-2 2-3 2-4 2-5
Fujitsu America, Inc. FS810125-0l ... A vii
Figure 2.5 IDD Orientation 2-6
Figure 2.6 Mounting Frame Structure 2-6
Figure 2.7 Service Clearance Area 2-7
Figure 2.8 Current Waveform (+12 VDC) 2-8
Figure 2.9 Power On/Off Sequence (1) 2-8
Figure 2.10 Power On/Off Sequence (2) 2-9
Figure 2.11 Power On/Off Sequence (3) 2-9
Figure 2.12 Supplying Power to the Terminating 2-11 Resistor
Figure 2.13 Positions of M2266S Connectors 2-12
Figure 2.14 Positions of M2266H Connectors 2-12
Figure 2.15 Power Supply Connector 2-13
Figure 2.16 . SCSI Connector 2-13
Figure 2.17 SG Terminal 2-14
Figure 2.18 External Operator Panel Connector 2-15
Figure 2.19 SCSI Cable Connector 2-17
Figure 2.20 Connection of the SCSI Cable 2-19
Figure 2.21 Example of External Operator 2-21
Panel Circuit
Figure 2.22 DE Surface Temperature Measurement 2-22 Point
Figure 3.1 SCSI Bus Connections 3-3
Figure 3.2 The Setting Terminals and Terminating 3-5 Resistor (M2266S)
Figure 3.3 The Setting Terminals and Terminating 3-6 Resistor (M2266H)
Figure 3.4 Setting Terminals CN3/CN9 3-7
Figure 3.5 Setting Terminals CNH1, CNH2, CNH3, 3-9 and CNH4
Figure 3.6 SCSI Terminating Resistor Module 3-13 (M2266S)
Figure 3.7 SCSI Terminating Resistor Module (M2266H)
3-13
Figure 3.8 MODE SELECT Command for 3-18
Reformatting
Figure 6.1 Revision Label 6-6
viii FS810125-01 ... A Fujitsu America, Inc.
Section 1. General Description
This is the preliminary manual for the M2266 manual and is subject to change without notice.
This section describes the features and configuration of the M2266S/H intelligent disk drive. This drive is a high-performance, large-capacity, 5 1/4-inch fixed disk drive with an embedded SCSI controller.
The interface between the IDD (Intelligent Disk Drive) and host system is based on the Small Computer System Interface (SCSI) ANSI standard (X3.131,1986.)
The flexibility and expandability of the SCSI, as well as the powerful command set of the IDD, allow the user to construct a high-performance, reliable disk subsystem with large storage capacity.
The IDD is available with two different kinds of SCSI bus, based upon electrical requirements:
•
•
M2266S M2266H
Single-Ended SCSI Differential SCSI
Also, the IDD is available with the following models based upon data format at factory shipment. The drives are preformatted at 512 bytes per sector, but may easily be reformatted in the field to any sector size from 180 to 4128 bytes per sector, in 2-byte increments.
Note: Some earlier revisions of the drive have a maximum bytes per sector of 3808 bytes.
•
M2266S 256 bytes (data block length)•
M2266H 256 bytes (data block length)•
M2266SA 512 bytes (data block length)•
M2266HA 512 bytes (data block length)•
M2266SB 1024 bytes (data block length)•
M2266HB 1024 bytes (data block length)Fujitsu America, Inc. FS810125-01 ... A 1-1
Standard Features Compactness
Since the SCSI controller circuit is inside the IDD PCA in the standard 5 1/4- inch fixed disk drive form factor, the IDD is extremely compact. The IDD can be connected directly to the SCSI bus of the host system.
SCSI/CCS Standard
The IDD provides not only SCSI basic functions but also the following features:
• Arbitration
• Disconnection/Reselection
• Data Bus Parity .
• Command set which meets the logical specification of the SCSI CCS (Common Command Set for Direct Access Device) Requirements (Rev.4B).
The SCSI commands can manipulate data through logical block addressing regardless of the physical characteristics of the disk drive. This allows software to accommodate future expansion of system functions.
High-Speed Data Transfer
The data transfer rate on the SCSI bus is 2.00MB/s maximum, in
asynchronous mode and 4.8 MB/s maximum in synchronous mode. Such a high data transfer rate on the SCSI bus can be useful with the large capacity buffer in the 100.
Notes:
1-2
1. The maximum data transfer rate in asynchronous mode may be limited by the response time of the initiator and by the SCSI bus length.
2. The maximum data transfer rate in synchronous mode on the single-ended SCSI bus may be limited by the cable length and transmission characteristics of the SCSI bus.
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Continuous Block Processing
The addressing method of data blocks is logical block address. The initiator can access data by specifying the block number in a logically continuous data space without regard to the physical structure of the track or of cylinder boundaries.
The continuous processing of up to 64K blocks in a command can be achieved, a~d the IDD can perform continuous read/write operations when processing data blocks across track or cylinder boundaries.
256KB Data Buffer
Data is transferred between the SCSI bus and the disk media through the embedded 256KB data buffer in the IDD.
Since the initiator can control the disconnect/reconnect timing on the SCSI bus by specifying the condition of stored data to the data buffer or empty condition of the data buffer, the initiator can perform the effective
input/output operations by utilizing the high data-transfer capability of the SCSI bus, regardless of the actual data transfer rate of the disk drive.
Read-Ahead Cache Feature
After executing the READ command, the IDD reads automatically and stores (prefetches) the subsequent data blocks into the data buffer (Read-Ahead caching.) This function may be programmed to prefetch data in amounts from one sector's worth to 256 Kbytes of data.
The high-speed sequential data access can be achieved by transferring the data from the data buffer without reaccessing the disk in case the subsequent command requests the prefetched data blocks.
Command Stack Feature
The command stack feature of the IDD corresponds to up to seven initiators.
Therefore, the IDD can accept and stack the input/output command issued by another initiator even if the IDD is executing another command. The stacked command is retrieved and executed in stacked order after the present command has completed execution.
Reserve and Release Functions
The IDD can be accessed exclusively in the multi-host or multi-initiator environment by using the reserve and release functions.
Fujitsu America, Inc. FS810125-0l ... A 1-3
Error Recovery
The IDD can try to recover from errors in the SCSI bus or the disk drive using its powerful retry processing. If a recoverable data check occurs, error- free data can be transferred to the initiator after being corrected in the data buffer. The initiator software is released from the complicated error recovery processing by these error recovery functions of the IDD.
Automatic Alternate Block Reassignment
If a defective data block is detected during read or write, the IDD can automatically reassign its alternate data block.
Programmable Data Block Length
Data can be accessed with a fixed block-length unit. Data block length is programmable, and can be set during formatting to the most suitable length, from 180 to 4,128 bytes, with a 2-byte boundary.
Defective Block Slipping
A logical data block can be reallocated in a physical sequence by slipping the defective data block during formatting. This results in high speed
contiguous data-block processing without a revolution delay due to a defective data block.
High-Speed Positioning
A rotary voice coil motor achieves fast positioning.
Large Capacity
The unformatted capacity is 1266 MB. Typically, at 512 bytes per sector the formatted capacity is 1079 MB. A disk subsystem with large capacity can be constructed that uses space efficiently.
Start/Stop of Spindle Motor
Using the SCSI command, the host system can start and stop the spindle motor.
Diagnosis
The IDD has a diagnostic capability that checks internal controller functions and drive operations to facilitate testing and repair.
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Low Power Consumption
By using highly-integrated LSI components, the power consumption of the IDD is very low, enabling use of the unit in a wide range of ambient temperatures between 5°C and 45°C.
Low Noise and Low Vibration
The IDD is quiet, running at approximately 45 dB (A-scale weighting) even during seek, making it ideal for office use. The IDD has rubber vibration isolators, which minimize the transfer of vibration.
lIardware Structure
Figure 1.1 shows the outer view of the IDD. The IDD consists of a disk enclosure (DE), a read/write preamplifier PCA, a controller PCA, and mounting brackets.
The DE is completely sealed and consists of disks, heads, the spindle motor, the actuator, the recirculation filter, the breather filter, the cover, and the base.
Figure 1.1 M2266S Outer View
Fujitsu America, Inc. FS810125-01 ... A 1-5
Disks
The Winchester-type disks have an outer diameter of 130 mm (5.12 inches) and an inner diameter of 40 mm (1.57 inches). The disks are good for at least 10,000 contact starts and stops.
The IDD uses the following number of disks:
• M2266: 8 disks Heads
The Whitney-type CSS (contact start/stop) heads are in contact with the disks when the disks are not rotating, and automatically float when the rotation reaches nominal speed.
Spindle Motor
The disks are turned by a direct-drive DC motor. The motor turns at 3600 rpm, ±O.2%. This precision is achieved through a feedback circuit which includes Hall-effect elements mounted in the motor assembly.
Actuator
The actuator, which uses a rotary voice coil motor (VCM), consumes little power and generates little heat. The head assembly on the tip of the actuator arm is controlled by electrical feedback from servo information read-out through the servo head.
Servo information is used as a control signal activating the actuator. It is used as track crossing information in positioning, and track following information during data write/read. The actuator positions heads on the innermost landing zones over the disk when the power is off or the spindle motor is stopped.
Air Circulation
The heads, disks, and actuator are sealed inside a disk enclosure (DE) to keep out dust and other pollutants.
The DE has a closed-loop air recirculation system. Using the movement of the rotating disks, air is continuously cycled through a filter. This filter will
1-6 FS810125-01 ... A Fujitsu America, Inc.
trap any dust generated inside the enclosure and keep the air inside the DE contaminant-free. To prevent negative pressure in the vicinity of the spindle when the disks begin rotating, a breather filter is attached. The breather filter also equalizes the internal air pressure with the atmospheric pressure due to surrounding temperature changes.
Read/Write Circuit
The read/write circuit uses LSls and head ICs to prevent errors caused by external noise, thus increasing reliability.
Controller Circuit
The controller circuit uses LSls to increase reliability and uses a high-speed Micro-Processing Unit (MPU) to increase the performance of the SCSI controller.
System Configuration
Figure 1.2 shows the system configuration. The IDDs are connected to the SCSI bus of host systems and are always operated as target. The IDDs perform input/ output operations as specified by the SCSI devices that operate as initiators.
Figure 1.2 System Configuration
Fujitsu America, Inc. FS810125-01 ... A 1-7
SCSI Bus Configuration
Up to eight SCSI devices can be connected to the SCSI bus, with any combination of the SCSI devices operating as initiators and operating as targets.
For example, the system can be configured as a multi-host system on which multiple host computers that operate as initiators are connected through the SCSI bus.
Using the disconnect/reconnect function, concurrent input/output processing is possible on multi-SCSI devices.
Peripheral Device Addressing
Each SCSI device on the bus has its own unique address (the SCSI 10 number shown in Figure 1.2). For input/output operations, a peripheral device attached to the SCSI bus and operating as the target is addressed as the logical unit. A unique address or logical unit number (LUN) is assigned to each logical unit.
The initiator selects one SCSI device by specifying the SCSI ID, and then specifies the LUN to select the peripheral device for input/output operations. .
When the 100 is constructed so that the whole volume of disk drives is a single logical unit, the selectable SCSI 10 and LUN are as follows:
• SCSI 10: Jumper selectable from 0 to 7
• LUN: 0 (fixed)
ModellPart Number Cross References
Each model has a different data format, front panel, and mounting-screw type. Table 1.1 shows the 100 model names and part numbers. To change the data format, reinitialize the drive on your system.
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Table 1.1 IDD Models and Part Numbers
Note: Metric (M4) mounting screws are not normally used in North America.
(1) Single-Ended SCSI
Model Block Storage Front Mounting
Part number
length capacity panel screws Remarks
M2266S 256 B 953.1 MB None M4 B03B-4945-B803A Provided M4 B03B-4945-B803A#B None #6-32UNC B03B-4945-B803A#N Provided #6-32UNC B03B-4945-B803A#NB M2266SA 512 B 1,079.1 MB None M4 B03B-4945-B813A
Provided M4 B03B-4945-B813A#B None #6-32UNC B03B-4945-B813A#N Provided #6-32UNC B03B-4945-B813A#NB M2266SB 1,024 B 1,140.2 MB None M4 B03B-4945-B823A
Provided M4 B03B-4945-B823A#B None #6-32UNC B03B-4945-B823A#N Provided #6-32UNC B03B-4945-B823A#NB
(2) Differential SCSI
Model Block Storage Front Mounting
Part number Remarks length capacity panel screws
M2266H 256 B 953.1 MB None M4 B03B-4945-B853A Provided M4 B03B-4945-B853A#B None #6-32UNC B03B-4945-B853A#N Provided #6-32UNC B03B-4945-B853A#NB M2266HA 512 B 1,079.1 MB None M4 B03B-4945-B863A
Provided M4 B03B-4945-B863A#B None #6-32UNC B03B-4945-B863A#N Provided #6-32UNC B03B-4945-B863A#NB M2266HB 1,024 B 1,140.2 MB None M4 B03B-4945-B873A
Provided M4 B03B-4945-B873A#B None #6-32UNC B03B-4945-B873A#N Provided #6-32UNC B03B-4945-B873A#NB
Fujitsu America, Inc. FS810125-01 ... A 1-9
1-10 FS810125-01 . . . A Fujitsu America, Inc.
Section 2. Installation Requirements
Introduction
Installation of the M2266S/H disk drive is a two-part process:
• Mechanical and electrical installation of the hardware
• Performance of the software procedures needed to bring the device to operational readiness.
This section contains information on the requirements for hardware installation, including the physical dimensions that assist in mounting the device, the cabling schemes, and information on how to set the jumpers.
For specific information on installing the drives, see section 3. For information on software installation of the drive in a Personal Computer environment, see section 4.
Outer Dimensions
Figures 2.1 to 2.4 show the exterior dimensions of the IDD and the positions of the holes for the IDD mounting screws.
Notes:
1. Dimensions are in mm.
2. The depth does not include the dimension of the hook for mounting the cable on the interface connector.
Fujitsu America, Inc. FS81012S-01 ... A 2-1
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2-2 FS810125-01 ... B Fujitsu America, Inc.
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Fujitsu America, Inc. FS81012S-0l . . . B 2-3
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2-4 FS810125-01 ... A Fujitsu America, Inc.
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Fujitsu America, Inc. FS810125-01 . . . A 2-5
Mounting
Figure 2.5 shows the permissible orientations of the IDD. The tolerance of the angle is ±5° from the horizontal plane.
(a) Horizontal (b) Vertical (c) Vert.ical
Figure 2.5 IDD Orientation
Mounting Frame Structure
The disk enclosure (DE) of the IDD serves as a signal ground (SG) and is insulated from the mounting frame. As this insulation is maintained after the IDD is mounted in the system, the following precautions must be followed:
Note:
2-6
Generally, SG and FG (frame ground) are connected at one point in the system enclosure. To maintain insulation when mounting the IDD:
(a) Use the frame with an embossed structure to avoid contact between the DE base and FG.
(b) As shown in Figure 2.6, the inward projection of the screw from the IDD frame wall at the corner must be 4 mm or less.
3.5 or more
-M-- ---rf"-' _ fh
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(Unit mm)Figure 2.6 Mounting Frame Structure
FS810125-01 ... A Fujitsu America, Inc.
Service Clearance Area
Figure 2.7 shows the service clearance area, which must be accessible during 100 installation or maintenance.
[SurfaceTJ
• External operator panel connection
[Surface SJ
Cable connection (M2266H) [Surface PJ
~. Cable connection (M2266S)
• SG pin
• Setting terminal
• External operator panel
~ connection
\
[Surface RJ
• Hole for mounting screw [Surface QJ
• SCSI terminating resistor
• Setting terminal, test pin
• Hole for mounting screw Figure 2.7 Service Clearance Area Power Supply Requirements
Allowable Input Voltage and Current
The power supply input voltage measured at the power supply connector pin at the receiving end of the IDO must satisfy the requirement given in Table 5.3.
Current Waveform
Figure 2.8 shows the waveform of +12VOC.
Fujitsu America, Inc. FS810125-01 . . . A 2-7
(a) At start of spindle motor rotation
(A)
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(0 --> 500 CYL)
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Figure 2.8 Current Waveform (+12 VDC) Power On/Off Sequence
(a) The order of the power onloff sequence of +5 VDC and +12 VDC, supplied to the IDD, does not matter.
(b) In a system that uses the terminating resistor power supply signal (TERMPWR) on the SCSI bus, the requirements of +5 VDC shown in Figure 2.9 must be satisfied between the IDD and at least one of the SCSI devices supplying power to that signal.
SCSI device supplying power toTERMPWR
IDD
2-8
4.0V (+5VDC)
(+5VDC)
Figure 2.9 Power On/Off Sequence (1)
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(c) In a system that does not use the terminating resistor power supply signal (TERMPWR) on the SCSI bus, the requirements for +5 VOC shown in Figure 2.10 must be satisfied between the 100 and the SCSI device with the terminating resistor circuit.
SCSI device with t.erminating resistor circuit
IOD
(+5VDC) 4.0V
(+5VDC)
Figure 2.10 Power On/Off Sequence (2)
(d) Between the 100 and other SCSI devices on the SCSI bus, the +5 VOC power ani off sequence is as follows:
• In a system with all its SCSI devices designed to prevent noise from leaking to the SCSI bus when power is turned on or off, the power sequence does not matter if the requirement in (b) or (c) is satisfied.
• In a system containing an SCSI device that is not designed to prevent noise from leaking to the SCSI bus, the requirement given in Figure 2.11 must be satisfied between that SCSI device and the 100.
SCSI device
without noise (+5 VDC) leak prevention
IOD (+5VDC)
Figure 2.11 Power On/Off Sequence (3)
Fujitsu America, Inc. FS810l25-0l ... A 2-9
Sequential Starting of Spindle Motors
After power is turned on to the IDD, a large amount of current flows in the + 12 VDC line as the spindle motor rotation starts. Therefore, if more than one IDD is used, the spindle motors should be started sequentially using one of the following procedures to prevent overload of the power supply unit.
For information on setting spindle motor start control mode, see "Setting Terminals" in section 3.
a. Issue START commands at 20-second intervals to start the spindle motors.
b. Turn on the +12 VDC power in the power supply unit at 20-second intervals to start the spindle motors sequentially.
Power Supply to SCSI Terminating Resistor
If power for the terminating resistor is supplied from the IDD to other SCSI devices through the SCSI bus, the current-carrying capacity of the +5 VDC power supply line to the IDD must be designed with consideration given to an increase of up to 900 rnA for the M2266S or up to 600 rnA for the M2266H.
The method of supplying power to the terminating resistor is shown in Figure 2.12.
2-10 FS810125-01 ... A Fujitsu America, Inc.
Section 4. Software Installation
Introduction
Due to the vast array of computer types, controllers, device configurations, and software utilities in use within small business systems, it is impossible to give specific installation instructions for each computer type in which the drive may be installed. There is no generic installation description that would apply in all cases.
Instead, this section presents basic principles for installing the M2266S/H disk drive into the most frequently used system: an IBM Personal Computer or PC-clone, using the PC DOS or MS DOS operating system.
Preparation of the Hard Disk for DOS Applications Definition of Drive Type
First define the hard drive as "zero",or, "not installed".
Basic Steps for Software Installation
Software installation on the M2266S/H drive involves partitioning, and high-level formatting. It requires the following steps:
Step 1: Boot DOS, and then run the DEBUG program. At the DEBUG prompt (" - "), type g=c800:5 to access the BIOS-level formatter.
(Note: The manufacturer of the controller may specify a different segment and offset location to access the low-level formatter, or may provide standalone installation software.)
Drive Partitioning
With a DOS version of 3.3 or lower, the maximum drive capacity is 32 MB.
Therefore, multiple drive partitions (C:, D:, E:, ... Z:) of 32 MB or less must be created. (See step 3 beloW.) Definition of larger partition size requires either DOS 4.0x or a third-party software package such as Disk Manager®
from Ontrack Systems, Inc.
Fujitsu America, Inc. FS810125-01 ... A 4-1
Step 2: Run the software to create the partitions required by your unique configuration. (This software is either the FDISK program or one of the third-party software packages mentioned above.) Then boot the system again to save the partitions.
Step 3: To perform high-level (or DOS-level) formatting of the partitions, use the DOS FORMAT command or follow the on-screen instructions for a third-party software package. If using the FORMAT command, enter it at the A: prompt as follows:
FORMAT d:/s
where d is the drive letter (typically C) assigned by DOS to the hard drive. The Is flag automatically copies the system files required to boot the system from the hard drive.
The flow chart on the following page summarizes the steps for partitioning the drive and preparing the drive to receive data.
4-2 FS810l25-0l ... A Fujitsu America, Inc.
Partitioning and High-Level Formatting
Use Compaq DOS 3.31 or MS/PC DOS 4.00 or
Fujitsu America, Inc.
Reboot the System to write
the partition table on the
disk
Format the Partitions. Use
/S Option on Boot Partition.
ransfer System files on Boot
Drive or Partition
Use Host Adapter Mfr's Standalone
Software or Disk Manager 4.0 and Above.
FS810125-01 , , . A 4-3
4-4 FS810125-01 . . . A Fujitsu America, Inc.
Section 5. Specifications
This section describes the functional and environmental specifications of the M2266S/H disk drives.
Table 5.1 Drive Functional Specifications (1 of 2) Specifications
Items M2266
Unformatted capacity of the
drive (*1) 1266MB
Number of disks 8
Number of heads
(read/write + servo) 15+1
Number of cylinders 1,658 + 1 + 2
(user + CE + SA) (*2) Unformatted Capacity / Track (*1)
50,910 Bytes
Rotational Speed 3,600 rpm 0.2%
Average Latency_ Time 8.3 ms
Positioning Time Minimum 4 ms
Average 14.5 ms
Maximum 30 ms
Start/Stop Time Start Time 20 seconds, maximum
(*3) Stop Time 15 seconds, maximum
Recording Code I/7RLL
Recording Density 46,635 BPI
Track Density 1,634 TPI
5.7 in (146 mm) x 3.3 in. (83 mm) x 8.0 in (203 mm) M2266S Front Protector Installed: 5.7 in x 3.3 in x 8.2 in Dimension Front Panel Installed: 5.9 in x 3.4 in x 8.2 in (W x H x D) (*4) 5.7 in (146 mm) x 3.3 in. (83 mm) x 8.6 in. (218mm)
M2266H Front Protector Installed: 5.7 in. x 3.3 in. x 8.8 in.
Front Panel Installed: 5.9 in x 3.4 in. x 8.8 in.
Fujitsu America, Inc. FS810125-01 ... B 5-1
S C S I
TEMPWR
SIGNAL (Inserted in a socket)
TERMPWR setting mode Power supply to terminal resistor circuit on tDD Power is supplied from both /DO and TERMPWR pin (0) Power is supplied from /DO only (TERMPWR Pin is not used) Power is supplied from TERMPWR pin only
(100 power supply is not used)
Termi- nating resistor circuit
+5VUC
Setting terminal (CNH4)
1-2 3-4
Strap Strap Open Strap Strap Open
o The TERMPWR pin is also supplied with power from /DO.
Figure 2.12 Supplying Power to the Terminating Resistor
Connectors
Connectors and terminals for connection to the outside are installed on the 100. Their positions are shown in Figures 2.13 and 2.14.
• Power supply connector
• SCSI connector
• SG (signal ground) connector
• Connector for external operator panel
Fujitsu America, Inc. FS81012S-0l ... A 2-11
SG terminal
SCSI connector (eN 1)
Setting terminal (eNg) (E:lternal operator panel connector)
Setting terminal (CN3.
Read/write preamplifier
PCA
preamplifier
VCM connector
Control printed circuit board assembly <PeA)
(EJ:ternal operator panel connector)
Figure 2.13 Positions of M2266S Connectors
2-12
Power supply connector
SG terminal
SCSI connector ICNl)
Selling lernlimallCN9) (External operator panel connector)
connector
Selling terminal CeN3)
Red/write rreamplifier PCA
Read/write preanlplifier connector
connector Control printed circuit board . . . mblytPCA)
(External operator panel connector)
Figure 2.14 Positions of M2266H Connectors
FS810125-0l . . . A Fujitsu America, Inc.
Power Supply Connector
Figure 2.15 shows the shape and pin configuration of the DC power supply connector.
(M226xSI
~ro
~ G~]~ ro
+12VDC~ + 12 VUC Return (GND) G + 5 VDC Return (GND)
(M226xHI ~ +5VDC
[ro
~ G• JII
Figure 2.15 Power Supply Connector
SCSI Connector
The connector for the SCSI bus is an unshielded standard connector which has two rows of 25 pins spaced 2.54 mm (0.1 inch) apart. Figure 2.16 shows several views of the connector and gives the physical specifications. See Table 6.3 for the signal assignments on the connector for the single-ended type SCSI bus (M2266S) and the differential-type bus (M2266H).
IM2.:Z6~IIJ
~- .. -... J
pm---L.oO'
jI::::::::::::::::J:::;":i} : ;=====~~j=P ~" "*,ih' 11
Pin I -11-1)2 III ___ II_X ",,., 49
~
Symbol nm Inches Remarks
01 2.54 0.1
02 2.54 0.1
03 4.19 +102 0.165 +0.04
-0.25 -0.01
04 6.09 0.24
Figure 2.16 SCSI Connector
Fujitsu America, Inc. FS810125-01 ... A 2-13
SG Terminal
For DC ground, an SG terminal (Fastin-Faston tab) is mounted as shown in Figure 2.17.
Note: This figure shows the M2266S Figure 2.17 SG Terminal
Connectors for External Operator Panel
Two types of connectors for the external operator panel are provided on the 100 as shown in Figure 2.18. They allow connection of an external write protect switch, an LEO on the front panel, and an SCSI 10 setting switch. For the recommended circuit of the external operator panel, see Figure 2.21.
2-14 FS81012S-01 ... A Fujitsu America, Inc.
Pin 13 (CN9) (CN3)
c c c c
C C
2.S4mm C C
C C
C C
~ C C
Pin 1 Pin2
Pin3 Pin 1
Pin4 Pin2
\CN3/CN91
Pin 13
Pin 14
2.54 111m
Pin]
Pin Signal Signal
01 +DlAG GND
03 (Reserved) GND
05 -RAC GND
07 -STM GND
09 -104 GND
11 -11)2 GND
13 -101 GND
This figure shows the M2266S's.
In M2266H, the setting lenninal (CNH4) exists between CN9 and CN3, but pin assignments of CN9 and CN3 are the same as M2266S·s.
Pin Signal Signal 01 LED(V) WPR(G)
03 -WPR -LED
Pin 02 04 06 08 10 12 14
Pin 02 04 N oLe: Pins 04 to 10 are connected to the cable
connector for internal connection.
Only pins 01 to 04 are used for connection of the opera Lor panel.
2.54mm
Figure 2.18 External Operator Panel Connector
Fujitsu America, Inc. FS810l25-0l ... A 2-15
Notes:
1. Some signals are assigned on both pins CN3 and CN9.
2. When no external operator panel is connected to the IDD, CN3 and CN9 are used for setting the terminal of the SCSI ID, etc. (see "Setting Terminals" in section 3) When the IDD is shipped from the factory, the short plugs are mounted between all even numbered and odd numbered pins of CN9 and no short plug is mounted on CN3.
3. When the external operator panel is connected to CN3 or CN9, pay attention to the following items.
• CN3 and CN9 are physically interchangeable. The external operator panel can be connected to either one.
• When the external operator panel is connected to CN9, all short plugs on CN9 must be removed. However, pins on CN3 corresponding to the signal set on the external operator panel must be opened. When there is a signal not set on the external operator panel, the state of that signal must be set on CN3 using the short plug. The removed short plug from CN9 can be used for setting the state.
• When the external operator panel is connected to CN3, the short plug on CN9 corresponding to the signal set on the external operator panel must be removed. When there is a signal not set on the external operator panel, the state of that signal must be set on CN9 using the short plug.
Connection Requirements
This section discusses the connections required when installing the drive.
SCSI Cable
All SCSI devices on one bus are daisy-chained with an SCSI cable. A terminating resistor must be mounted in the SCSI device at each end of the SCSI cable.
2-16 FS81012S-01 ... A Fujitsu America, Inc.
Since an SCSI terminating resistor module is mounted in the 100 on shipment, it must be removed when the 100 is not connected at either end of the SCSI cable. Also, a method for supplying power to the terminating resistor must be selected with the setting terminal on the 100. For further details, see "Setting Terminals" in section 3.
The maximum number of SCSI devices that can be connected to the SCSI bus is 8, including the host adaptor, IDO, and other SCSI equipment.
The connector socket for the SCSI cable must be an unshielded 50-contact socket which has two rows of 25 contacts spaced at 2.54 mm (0.1 inch) apart.
It should also have a key way to prevent insertion in the wrong direction (bump type connector). (See Figure 2.16).
--- ~·r "'
~ ____ mmnnm_nX~
oooooooooooogoooooooooooo
I I
-I l-c5
00000000000000000000000 00000000000000000000000
Pin2 Pin50
Symbol mm Inch Remark
CI 2.540 0.100 C2 60.960 2.400 C3 2.540 0.100
C4 3.302 0.130
C5 32.385 1.275 C6 68.072 2.680 C7 6.096 0.240
. -
C8 7.620 0.300 Mult,
T
Note: Tnt: Lolerance is ± 0.127 mm (0.005 inch) unless olherwise specified.
Figure 2.19 SCSI Cable Connector
Fujitsu America, Inc. FS810125-01 ... A 2-17
The maximum length of the SCSI cable is as follows. If more than one SCSI device is connected, the total cable length must not exceed the following:
• 6 m for single-ended type SCSI
• 25 m for differential type SCSI
The use of a 25-pair twisted cable satisfying the following requirements is recommended.
Single-Ended Type
Conductor Size: 28 A WG (American Wire Guage) or bigger Characteristics impedance: 100 to 132
n
Differential Type
Conductor Size: 28 A WG or bigger Characteristic impedance: 100 to 122
n
Each pair of wires in the 25-pair twisted cable must be connected to pins n and n+ 1 (where n is an odd number) on the interface connector. Cables having an identical impedance must be used on the same SCSI bus to reduce signal reflection and maintain transmission characteristics.
When an SCSI device is connected to the SCSI cable (except at either end of the cable), connection to the SCSI connector must be at a branch point of the cable. If an SCSI device is connected to one end of the SCSI bus, no cable should be connected after the last SCSI device, except when the cable has a terminating resistor. (See Figure 2.20.)
2-18 FS810125-01 ... A Fujitsu America, Inc.
(A) Connection to a Middle Point of the Cable.
Correct connection (1) Correct connection (2) Incorrect connection SCSI cable SCSI cable
(8) SCSI Cable Termination
Correct connection (1) Correct connection (2) Incorrect connection
SCSI cable
TRM: SCSI terminating resistor
Figure 2.20 Connection of SCSI Cable
Power Cable
The IDDs must be star-connected to the DC power supply in a one-to-one connection to reduce the influence of load variations.
Fujitsu America, Inc. FS810125-01 ... A 2-19
DC Ground
A DC ground cable mayor may be installed depending on the system requirements (system installation environment, cabinet structure, power supply system). This cable is generally connected to the ground of the power supply unit. Connection between more than one IDD may be in a daisy chain.
External Operator Panel
The external operator panel is installed only when required for the system.
If it is unnecessary, pins 1 to 4 of CN7 connector for the external operator panel on the IDD must be opened. Also, necessary features must be set on CN3 or CN9 using the short plug. (See "Setting Terminals" in section 3.) Figure 2.21 shows a recommended circuit for the external operator panel.
Since the external operator panel is not provided as an option, the user must fabricate this panel, referring to the recommendation if necessary.
Note:
2-20
Necessary switches and LEDs for the system can be provided on the external operator panel by referring to the recommended circuit shown in Figure 2.21.
When there is no signal set for the external operator panel, the Signal must be set on CN3 (or on CN9) using the short plug. The CN3 or CN9 pins corresponding to the signal must be opened. For details, see
"Connectors" in this section and "Setting Terminals" in section 3.
FS810125-01 ... A Fujitsu America, Inc.
(lDO)
r - S9 I -
1 2
>--
3 4C 5
N
9 6
or 7
C 8
N
3 9
10 11 12 13 14
' - - - -
r - S7 l -I
C 2
N
7 3
4
T
~+DJAG GND
GND -RAC
GND -STM
GND -104 GND -102 GND -101 GND
LED (V) WPR(G) -WPR -LED
(ON)
0 - - DIAG
0 - - CACHE (ON)
SCSI
0 - - TIMER (ON)
0 - - 104 (ON)
(am
1020 - - 101 (ON)
WRITE
O~PROTECT
(ON)
...
(LED)
Figure. 2.21 Example of External Operator Panel Circuit
Fujitsu America, Inc. FS810125-01 . . . A 2-21
Environmental Requirements
The IDD must conform to the environmental requirements listed in section 5. When the IDD is operating, the ambient temperature measured 3 cm from the disk enclosure (DE) surface and from the peA surface must satisfy the specified requirement. At the DE surface during operation, the contact temperature at the measurement point shown in Figure 2.22 must satisfy the specified requirement.
Measurement point (Rear·center orOE)
Figure 2.22 DE Surface Temperature Measurement Point
2-22 FS81012S-01 ... A Fujitsu America, Inc.
Section 3. Hardware Installation
This section describes how to handle the drives, make connections, set switches and plugs, mount drives, connect cables, confirm drive operations after installation, prepare the drives for use, and remove the drives.
Notes on Handling Drives General Notes
• To avoid damage to the drive, do not allow vibration or shocks exceeding the values defined in the standard. Be especially careful during unpacking.
• Do not leave the drive in a dirty or contaminated environment.
• Since static discharge may destroy the CMOS semiconductors in the drive, use an antistatic mat after unpacking, and ground yourself when handling the drive.
• Hold the DE. or mounting frame when handling the drive. Do not touch PCAs, except when setting switches.
Unpacking
• Use a flat work area. Be sure that the "This Side Up" sign is up. Handle the drive of soft material such as a rubber mat, not on hard material such as a desk. Handle the drive gently at all times.
• Do not remove the sealing label or cover of the DE and screws.
Installation
• While power is turned on, do not connect or disconnect connectors or change terminals except CN3 and CN9.
• Do not move the drive when power is turned on or until the drive has been completely stopped for 15 seconds after the power is turned off.
Fujitsu America, Inc. FS810125-01 ... A 3-1
Packing
• Store the drive in an antistatic vinyl bag with a dessicant (silica gel).
• It is recommended that you use the same cushions and packages as those used at delivery. If those cannot be used, use a package with shock absorption so that the drive is free from direct shocks. In this case, fully protect the PCAs and interface connectors so that they are not damaged.
• Indicate "This Side Up' and "Handle With Care" on the outside of the package so that it is not turned over.
Storage
• Provide vapor-proof packaging for storage.
• The storage environment must satisfy the requirements specified in Table 5.3 (Environmental Specifications).
• To avoid condensation, avoid rapid changes in temperature.
Connections
Figure 3 1 shows examples of connections between the host system and the IDD. Up to eight devices, including the host adapter, IDD, and other SCSI devices can be connected to the SCSI bus in arbitrary combinations. Install a terminating resistor on the host adaptor and on either the last device in the chain or at the end of the cable.
See "Connectors" in section 2 for the cable connection requirements and power-cable connections.
3-2 FS810125-01 ... A Fujitsu America, Inc.
(1) Connecting One IDD
Host Host SCSI cable
adapter system
[TiM
(2) Connecting More than One IDD (Single Host)
Host system
Host adapter
TRM
SCSI cable
I
TRMI :
SCSI terminating resistor~
lDDTiMl
Figure 3.1 SCSI Bus Connections (1 of 2)
Fujitsu America, Inc. FS810125-01 ... A 3-3
(3) Connecting More Than One IDD (Multi-Host)
Host SCSI cable
rJ
Host
adapter
/
IDDsystem
#1
fTRM
> D
IDDHost Host
~ o
Other SCSI devicesystem adapter
#2
f'ffiM
TRM: SCSI terminating resistor
Figure 3.1 SCSI Bus Connections (2 of 2) Setting Terminals
You must set the following terminals and SCSI terminating-resistors before installing the IDD in the system.
• Setting Terminal:
• Setting Terminal:
CN3/CN9 (These pins are commonly used with a connector for the external operator panel.) (See Figure 3.4.)
CNHl, CNH2, CNH3, CNH4
• SCSI Terminating Resistor
Figures 3.2 and 3.3 show the terminal settings and the position of the SCSI terminating resistor module.
3-4 FS810125-01 ... A Fujitsu America, Inc.
Notes:
1. The user must not change the setting of terminals not described in this section. Do not change factory settings for terminals not described.
2. Do not change the setting of terminals other than CN3 and CN9, and do not connect or disconnect the SCSI terminating resistor module when power is on.
3. You can change the CN3 or CN9 settings when power is on. The SCSI ID setting is valid after power is turned on again or the SCSI bus is reset.
4. To short the setting terminal, use the short plug attached when the device is shipped from the factory.
_ _ --,~ SCSI connector (CNl)
D
SCSI tel'"~ninatillg resislorCNH4
10
23 4 CNH3 I5~I ISL--....J2
CNHI I5~I ISL--....J2
10
2 CNH215 IS
CN7
D
Figure 3.2 The Setting Terminals and Terminating Resistor (M2266S)
Fujitsu America, Inc. FS810125-0l ... A 3-5
