IBM OEM STORAGE PRODUCTS 0632 MODEL CHx
The IBM half high form factor 5.25" 0632 Model CHx provides
rewritable and CCW removable optical storage up to 1.3 GB
and 1.19 GB cartridge. Both 595 MB and 650 MB cartridges are
compatible with the drive. The drive is particularly suited to
the demanding requirements of optical libraries. The unique
calibration process optimizes the laser power used for read/write
and seek operations to provide enhanced performance across a wide range
of environments and media characteristics.
APPLICATIONS
- Optical libraries/jukeboxes
- High end workstations
- Multimedia machine
FEATURES BENEFITS
- Supports 1.19 GB, 1.3 GB, 595 MB - High capacity removable
and 650 MB cartridges storage backwards. Compatible
(unformatted) with existing 5 1/4"
cartridges
- 1 MB (4 MB optional) segmented - Improved read and write
read and write cache performance
- Read ahead support
- Feature switches - Allow attachment to various
platforms
- SCSI-2 interface 5 MB/s burst - Industry standard interface for
data rate ease of attachment
- 4 seconds average cartridge load - Fast load for use in library
to ready time applications
- 3 second average ready to
reload time
- Microcode updateable via SCSI - Field upgradeable
(flash EPROM)
- Library external control - Synchronize library autochanger
interface and drive operations
- Average seek (1) 29 ms - Fast access to data
Rotate speed 3500 rpm
- 1.3/1.19 GB disk, data rates - Improved media data rates with
512 byte/sector 1.1 MB/sec to 1.3 GB cartridges
2.1 MB/sec
1024 bytes/sector 1.2 MB/sec to
2.3 MB/sec
- 650/595 MB disk, data rates - Downward compatible with older
512 byte/sector 0.9 MB/sec level cartridges
1024 byte/sector 1.0 MB/sec
- CCW support - Full CCW worm, wide range of
media types
- MLBF 60,000 cycles for library - Exceptional loader reliability
- MTBF up to 180,000 hours for - Excellent reliability
workstation drive performance
MTBF up to 100,000 hours for
library drive
CONNECTORS AND SWITCH SETTINGS
J5 J3 J4 J2 J1
│ │ │ │ │
╔══════│═══│══│══════│═══════════════│══════════════════════╗
║ ╒╤╤╤╤╤╤╕│╒╤╤╕ ┌───┼───┐┌──────────┼──────────────┐ ║
║═╤╧╧╧╧╧╧╧╧│╧╪╧╧═│o o o o││:::::::::::::::::::::::::│═══════╣
║ │::::::::::│ └───────┘└┼────────────────────────┘ ║
║─┼┼─────────┘┌────────────┼────────────────────────────────║
║o└┼──────────┘ ┌─────────┼──────────────┐ o╒═╤══╤═╕ ║
║ │ ┌┬───┬┘═════════│══════════════└─┐┌───┘ │ │ │ o ║
║──┼───────┘│ │ │ └╘═════╧══╧═╧═══║
║──┼────────┴───┴──────────┼───────────────────────┐ ┌───║
║o │ │ │ │ o ║
╚══│═══════════════════════│═══════════════════════╧╧╧══╧═══╝
└─ Pin 1 └─ Pin 1
J6
│
┌──────────────────────────────────────────────────────┼──────┐
└┬─────────────────────────────────────────────────────┼─────┬┘
│ Front ┌─┼┬──┐ │
│ │==│==│ │
│ │==│==│ │
│ │==│==│ │
│ │==│==│ │
│ │==│==│ │
│ Top of Drive └──┴──┘ │
└───────────────────────────────────────────────────────────┘
┌───────────────────────────────────────────────────────────┐
│ │
│ │
│ │
│┌┬┬┬┬┬┬┬┬┬┬─┬┬┬┐ │
│├┼┼┼┼┼┼┼┼┼┤ ├┼┼┤ │
│└┴┴┴┼┴┴┴┴┴┴─┴┼┴┘┌┬────────────────────────────────────┬┐ │
└────┼────────┼──┘└────────────────────────────────────┘└───┘
J5 J4
The diagram above shows the location of the various switches and
connectors they include:
J1 SCSI connector J4 SCSI address switch
J2 Power connector J5 Feature switches A1-A10
J3 Library interface connector J6 Feature switches B1-B10
For details of SCSI interface and power connections see electrical
interface section.
HARDWARE DESCRIPTION
The optical disk drive subassembly consists of a drive electronics
card, an optical head, and a cartridge load/unload mechanism.
A spindle motor spins one 5.25 inch removable disk. The disk can
be written on one surface at a time by the head-actuator assembly.
Top Cover Optical Head Feature Switch
│ │ │
/────┼───────────────────┼─────────────────┴───────────┐
/ /----│-│-- / │
Actuator ─────────────────────────┌┐ └─┘/ / │
Unit / / └┘ / / │
/ / __ __ / / │
/ ┌────────┐ / \/ / │
Spindle───────┼────────┼────────── 0 ) / o │
Motor / │ │ \ __ __/ / /│
/ │ │ / / │
Drive ─────────────┼─ │ / / /
Electronics / └────────┘ / / /
Card ├─────────────────────────────────────────────────────┐ / /
│ ▀ ▀ ▀ ▀ ▀ ▀ ┌────────────────────┐ ▀ ▀ ▀ ▀ ▀ ▀ │ / /
│ ┌──────────┘ └──────────┐ │ / /
│ └────────────────────┼─────────────────────┘ │ / /
│ ┌────────────────────┼─────────────────────┐ │ / /
│ └──────────┐ │ ┌──────────┘ │ / /
│ └─────────┼──────────┘ ┌┬┐ ┌──┬───┐ │/ /
Faceplate───┼─ o │ └┼┘ └──┼───┘ │ ──── Frame
└───────────────┼─────────┼─────────────┼───────┼─────┘/
Manual Unload │ │ Unload
Access │ Activity Button
Cartridge Door Indicator
Note: To ensure Model CHx meets Class 1 laser safety requirements,
the unit is equipped with a protective enclosure consisting of the
following items.
- Two sheet-metal side frames that support the base frame with
shock mounts. The top and bottom covers are secured to the base
frame with tamper resistant screws.
- An internal enclosure about the actuator consisting of top and
bottom covers. The covers completely enclose the beam path
except for an aperture allowing the beam to access the disk.
- A front bezel which is secured to each side frame.
LIBRARY INTERFACE CONNECTOR-(J3)
The library interface allows direct communications between a library
autochanger and the drive subassembly. The library interface connector
(J3) also allows setting of the SCSI address of the drive by using
jumpers on the connector or through a remotely mounted address switch
cabled to the connector.
J5 J4
│ │
┌──────────────────┼──────────────────┼──────────────────
│ ╔════════════════│══════════════════│═════════
│ ║ ┌──────┴───────────┐ ┌───┴───┐
│ ║─────────┴─▀─▀─▀─▀─▀─▀─▀─▀─▀┴──┴▀─▀─▀─▀┴──────────────┐
│ ║ 2 4 6 8 10 12 14 16 18 20 │
│ ║──────┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┘
│ ║ │ o │ o │ o │ o │ o │ o │ o │ o │ o │ o │
J3───┼────────┼ o │ o │ o │ o │ o │ o │ o │ o │ o │ o │
│ ║ └───┴───┴───┴───┴───┴───┴───┴───┴───┴───┘
│ ║ 1 3 5 7 9 11 13 15 17 19
│ ║
│ ║
│ ║ Hirose J3 connector 2mm spacing
│ ║ O Housing A3-20D-2C
Crimp Terminal - AWG #26-AWG #30
Pins - A3-2630SCC
Crimp tool A3-TA2630HC.
Library Interface Connector Pin Definitions
Connector Signal Name
Pin
1 Library Interface Eject
2 LED pipe
3 PWRDNREQ
4 Library Interface Busy
5 SCSI TERMPWR
6 SCSI TERMPWR SCR
7 Not connected
8 Reserved for manufacturing
9 Reserved for manufacturing
10 Cart-in-Drive
11 Lib reset
12 Reserved for manufacturing
13 SCSI parity
14 Library Interface Spin-down
15 SCSI ID2
16 Reserved for manufacturing
17 SCSI ID1
18 SCSI termination
19 SCSI ID0
20 Ground
SCSI ADDRESS SWITCH-(J4)
The SCSI address of the drive can be selected using the 4 position
SCSI address switch (J4) or the library interface connector (J3).
The address is read at power-up and when the drive is reset.
┌────────────────────────────────────────────────────────────┐
│ │
│ │
│ │
│┌┬┬┬┬┬┬┬┬┬┬─┬┬┬┬┐ │
│├┼┼┼┼┼┼┼┼┼┤ ├┼┼┼┤ │
│└┴┴┴┴┴┴┴┴┴┴─┴┼┴┴┘┌┬────────────────────────────────────┬┐ │
└─────────────┼───┘└────────────────────────────────────┘└───┘
│ ╔╗╔╗╔╗╔╗ ON
│ ┌┼┼┼┼┼┼┼┼┐
└> ││││││││││
│├┤├┤├┤├┤│
└┼┼┼┼┼┼┼┼┘
└┘└┘└┘└┘
1 2 3 4
SCSI Drive Switch 1 Switch 2 Switch 3 Switch 4
Address (ID0) (ID1) (ID2)
0 OFF OFF OFF NC
1 ON OFF OFF NC
2 OFF ON OFF NC
3 ON ON OFF NC
4 OFF OFF ON NC
5 ON OFF ON NC
6 OFF ON ON NC
7 ON ON ON NC
The correct SCSI address must be applied to the SCSI Address Switch or
Library Interface Connector while the address is read by the drive. The
SCSI address is read by the drive approximately 1.75 seconds after power
is applied to the drive or after a SCSI reset condition is initiated.
The address setting must be applied to the switch or connector at least
1.5 seconds after applying drive power until the drive is powered off.
The user should only use one SCSI Address source, either the SCSI Address
Switch or the Library Interface Connector. The other (unused) source
must be set to an address of 0.
The SCSI Address Switch is factory preset to SCSI address 1.
FEATURE SWITCHES - (J5) A1 - A10
The location of the feature switches on the drive.
┌────────────────────────────────────────────────────────────┐
│ │
│ │
│ │
│┌┬┬┬┬┬┬┬┬┬┬─┬┬┬┬┐ │
│├┼┼┼┼┼┼┼┼┼┤ ├┼┼┼┤ │
│└┴┴┴┴┼┴┴┴┴┴─┴┴┴┴┘┌┬────────────────────────────────────┬┐ │
└─────┼───────────┘└────────────────────────────────────┘└───┘
│
│ ╔╗╔╗╔╗╔╗╔╗╔╗╔╗╔╗╔╗╔╗ ON
└──> ┌┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┐
││││││││││││││││││││││
│├┤├┤├┤├┤├┤├┤├┤├┤├┤├┤│
└┼┼┼┼┼┼┼┼┤├┼┼┼┼┼┼┼┼┼┼┘
└┘└┘└┘└┘└┘└┘└┘└┘└┘└┘
1 2 3 4 5 6 7 8 9 10
Feature Switch Settings A1 - A10 (J5)
Switch Setting Description Default
A11 OFF Enable Unit Attention on OFF
POR/SCSI Reset
ON Feature Switch 2 OFF:
Disable Unit Attention on
POS/SCSI Reset for
Apple**-attach
Feature Switch 2 ON:
Support Mode Sense/Select
pages for DEC**-attach
A2 OFF Peripheral device type in OFF
Inquiry data is X "07",
optical memory device
ON Peripheral device type in
Inquiry data is 00h
direct access device
A3 OFF Spin automatically on OFF
power-up or cartridge insert
ON No spin-up on power-up, but
spin-up on cartridge insert
A4 OFF Force Verify on Write OFF
Command is default mode
ON Inhibit Verify on Write
Command is default mode
A5 OFF Enable SCSI termination OFF
ON Disable SCSI termination
A6 OFF SCSI TERMPWR signal ON
is disabled
ON SCSI TERMPWR signal is enabled
A7 OFF Reserved for Manufacture's use ON
(SCSI reset caused drive
self-test-long reset)
ON Required setting (SCSI reset
signal does not cause drive
self-test-short reset)
A8 OFF SCSI Parity is enabled OFF
ON SCSI Parity is disabled
A9 OFF Reserved OFF
ON Reserved
A10 OFF Reserved OFF
ON Reserved
FEATURE SWITCHES - (J6) B1 - B10
┌─────────────────────────────────────────────────────────────┐
└┬───────────────────────────────────────────────────────────┬┘
│ Front ┌──┬──┐ │
│ │==│==│ │
│ │==│==│ │
│ │==│==│ │
│ │==│==│ │
│ │==│==│ │
│ Top of Drive └──┼──┘ │
└──────────────────────────────────────────────────────┼────┘
│
╔╗╔╗╔╗╔╗╔╗╔╗╔╗╔╗╔╗╔╗ ON │
┌┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┐ │
││││││││││││││││││││││ │
│├┤├┤├┤├┤├┤├┤├┤├┤├┤├┤│ <───────┘
└┼┼┼┼┼┼┼┼┤├┼┼┼┼┼┼┼┼┼┼┘
└┘└┘└┘└┘└┘└┘└┘└┘└┘└┘
1 2 3 4 5 6 7 8 9 10
Feature Switch Settings A1 - A10 (J5)
Switch Setting Description Default
B1 OFF Write Cache disabled (WCE=0) OFF
is default mode
ON Write Cache enabled (WCE=1)
is default mode
B2 OFF Drive internal trace is enabled OFF
ON Drive internal trace is disabled
B3 OFF Permit SCSI eject request OFF
ON Inhibit SCSI eject request
B4 OFF Reserved OFF
ON Reserved
B5 OFF Reserved OFF
ON Reserved
B6 OFF Reserved OFF
ON Reserved
B7 OFF Reserved OFF
ON Reserved
B8 OFF Reserved OFF
ON Reserved
B9 OFF Reserved OFF
ON Reserved
B10 OFF Reserved OFF
ON Reserved
ELECTRICAL INTERFACE SPECIFICATIONS
The IBM OEM 9632 Optical Disk Drive uses single-ended drivers and
receivers that permit cable lengths of up to 6 meters (19.68 feet).
Connectors
The drive has two connectors: one for power, the other for connecting to
the SCSI bus.
Power
The DC power connector is designed to mate with AMP PN 1-480424-0 using
AMP pins PN 350078-4 or their equivalent. Pin assignments are shown in
Figure 3.
Pin # 4 3 2 1
╔════════════════╗
║ ║
║ O O O O ║
║ ║
╚════════════════╝
+5V GNDGND +12V
Figure 3 Power Connector Pin Assignments
SCSI Signal Connector
The SCSI signal connector is a 50-pin connector, Molex PN 70248 or
equivalent, which meets ANSI/SCSI specifications.
SCSI Bus Terminators
Active termination for the last device on the SCSI cable is
accomplished by setting Feature Switch 5 to the OFF position.
For a single-ended cable, a 50-conductor flat cable or a 25 twisted
pair cable can be used, with a maximum length of 6.0 meters and a stub
length not to exceed 0.1 meters.
OPERATING ENVIRONMENT
The drive operates within its' performance limits when the following
environment is maintained. Product life calculations are based on
the nominal environment for a typical application.
Humidity:
Operating 8% to 80% non-condensing
Storage 5% to 80% non-condensing
Shipping 5% to 99% (applies at a packaged level)
(packaged level)
Wet Bulb Temperature:
Operating 81 degrees F (27 degrees C) maximum
Shipping/Storage 84 degrees F (29 degrees C) maximum
Elevation:
Operating 0 to 6932 feet
(0 to 2133 meters)
Temperature:
Operating ambient 50 to 104 degrees F (10 to 40 degrees C)
Shipping -40 to 140 degrees F (-40 to 60 degrees C)
Storage 33.8 to 140 degrees F (1 to 60 degrees C)
Air Flow Requirement:
The host system must provide at least 0.07 cubic meters per minute
(+0.03 - 0.01) at standard temperature and pressure. Recommended
air flow direction is from rear to front of the drive.
MECHANICAL DATA
Dimensions (without bezel)
____________________________________________________
Height 43.0 mm
Width 149.3 mm
Depth 211.5 mm
Weight 1.7 kg
Mounting Orientation
Either vertical (left or right side down) when viewed from the front of
the drive or horizontal. Upside down or on end is not permitted, tilt
of drive in operation mode should not exceed + or - 10 degrees from
horizontal or vertical.
|----------------- 100+/-.25 -------------------|
┌┬─┬─────────────────────────────────────────────┐──────────┬───
││ └──┐┌┐ │ | 41.3 +/- 1.0mm
────────┼┼ ┌┐ │└┘ o│ |10 +/- 0.5mm
25mm ││ └┘ │ o)═════════════════(o)════════════│──── │
────────┼┼────┴────────┼───────────────────┼─────────────┘──────────┴──
1.5mm──┤│47.5 +/-0.5mm│...79.2 +/- 0.5mm..│
││ │ │
└───── (4X) M3 x 0.5
2mm maximum screw length
│47.5 +/-0.5│...79.2 +/-0.5mm...│
┌┤ mm │ │
│├──────────┬┼──────────────────┬┬──────────────┐────────────
│├──────────┴┴──────────────────┴┴──────────────┤─── .
││ o o │ . .
││ │ . .
││ │ . .
││ │139.7 +/-0.5mm
││ │ . .
││ │ . .
││ │ . 146 +/-1.0mm
││ │ . .
││ o o │ . .
│├──────────┬┬──────────────────┬┬──────────────┤─── .
│├──────────┴┴──────────────────┼┴──────────────┘─────────────
└┘ └─── 2mm maximum screw length
COMMAND SELECT OPTIONS
The following Commands are supported by the drive:
Group 0 Commands (Hex)
__________________________________________
Test Unit Ready (00)
Re-Zero Unit (01)
Request Sense (03)
Format Unit (04)
Reassign Blocks (07)
(rewritable media only)
Read (08)
Write (0A)
Seek (0B)
Inquiry (12)
Mode Select (15)
Reserve (16)
Release (17)
Mode Sense (1A)
Start/Stop Unit (1B)
Send Diagnostics (1D)
Prevent/Allow Media Removal (1E)
Group 1 Commands
___________________________________________
Read Capacity (25)
Read Extended (28)
Write Extended (2A)
Seek Extended (2B)
Erase (2C)
(rewritable media only)
Write Verify (2E)
Verify (2F)
Synchronize Cache (35)
Read Defect Data (37)
Medium Scan (38)
Write Buffer (3B)
Read Buffer (3C)
Read Data Long (3E)
Write Data Long (3F)
(rewritable media only)
Group 2 Commands
__________________________________________
Mode Select (10) (55)
Mode Sense (10) (5A)
Group 5 Commands
__________________________________________
Read Extended (A8)
Write Extended (AA)
Erase Extended (AC)
(rewritable media only)
Write Verify Extended (AE)
Verify Extended (AF)
Group 6 Commands
__________________________________________
Reserved for (C0-C6, D0-D2)
Manufacturer's use
Media Temperature Sense (D0 03 74)
DC POWER REQUIREMENT LIMITS
Power supplied to the drive must conform to the following limits:
+12 Volt Supply
+ or - 0.6 Volts
+5 Volt Supply
+ or - 0.25 Volts
Power supply ripple
Voltage Maximum Notes
______________________________________________________
+5 VDC 100 mV peak-to-peak 0-20 MHz
+12 VDC 100 mV peak-to-peak 0-20 MHz
Power supply current
Typical Maximum
______________________________________________________
+5 VDC 1.2 Amps 2.7 Amps
+12 VDC 1.6 Amps 2.2 Amps
Note: The maximum power consumption is 32 watts (average 17 watts).
VIBRATION AND SHOCK
Operating Vibration
The drive will withstand (with no permanent error) vibration levels of
0.25 G RMS from 0 to 500 Hz.
Operating Shock
The drive will withstand (with no permanent error) shock levels of 4 G,
11 mS (half sine) duration.
Non-Operating Shock
No damage occurs as long as the unpackaged drive is not subjected to a
trapezoid shock wave greater than a value of 35 Gs, 11 mS (half sine)
duration.
REWRITABLE AND CCW DATA ORGANIZATION
Optical Disk Format for 1.19/1.3 GB Disk
Format architecture Fixed block
Sector size (bytes) 512 or 1024
Capacity per surface
512-byte sector size 595 628 544 (formatted)
(596 MB per side) 596 691 968 (unformatted)
1024-byte sector size 652 329 984 (formatted)
(650 MB per side) 654 436 352 (unformatted)
Bit density 29540 data bits per inch
Track Density 18273 tracks per inch
Total tracks in the user zone 21600 physical tracks
37600 logical tracks
Maximum number of spare
sectors per surface
512-byte sector size 2077
1024-byte sector size 2057
Number of manufacturer's 2
areas
Number of sectors per track
512-byte sector size 31
1024-byte sector size 17
Optical Disk Format for 595/650 MB Disk
Format architecture Fixed block
Sector size (bytes) 512 or 1024
Capacity per surface
512-byte sector size 296 423 488 (formatted)
(297 MB per side) 297 520 640 (unformatted)
1024-byte sector size 322 118 656 (formatted)
(325 MB per side) 326 312 960 (unformatted)
Bit density (inner track) 24900 data bits per inch
Track Density 15875 tracks per inch
Total tracks in the user zone 18751
Maximum number of spare 2048
sectors per surface
Number of manufacturer's 2
areas
Number of sectors per track
512-byte sector size 31
1024-byte sector size 17
OPTICAL DISK CHARACTERISTICS
Location Hole
Insertion ────┐ Case Side A │
Direction │ │ │┌┐┌┐
┌─────────────┼──────────┼───────────────────┼┘└┘│────── Gripper
├─────────────┴──────────┴────────┐ o o│ Slot
│ <--- A │ │
│ │ │
├─────────────────────────────────┤ │
│ │ │
│ │ │
│ ┌───────────────────────────────┘ │
│ │ ┌──────────────────────────────┐ │
│ │ │ │ │
│ │ │ │ │ │
├─┘ └────────────┼─────────────────┘ o o│
└────────────────┼────────────────────────────┐┌┐│
│ └┘└┘
└─ User Label Area
Description of Optical Disk Cartridge
The optical disk drive subassembly uses a removable double-sided disk
that is housed in a cartridge with access to the recording surface
through a shutter mechanism. The disk is rewritable and can be
reformatted many times.
Rewritable Optical Disk Characteristics
The optical disk drive uses an IBM rewritable Optical Disk with
characteristics shown below.
Disk diameter 130 mm (+ or - 0.3)
Center hole diameter 4.004 mm (+0.008, -0.0)
Disk cartridge dimensions 135 mm Width
153 mm Length
11 Height
Hub height 2.20 mm (+ 0.0/-0.1)
Hub diameter 25.0 mm (+0.0/-0.2)
Maximum weight 120 grams
Disk material Plastic (1)
Recording surfaces per disk 2
Track type Spiral
595/650 MB 1.19/1.3 GB
512 Byte media PN 49G7797 09G7339
1024 Byte media PN 94F9479 09G7344
Note 1. Use of glass media is not recommended. The higher inertia of
the media may cause slippage at spin-up time which can produce
contamination for both the media and the drive.
IBM OEM 5 1/4" Rewritable Optical Cartridges have been specially developed
and tested for optimum performance when used with the IBM OEM 5 1/4"
Rewritable Optical Disk Drive. These drives are compatible with the
following ISO standard. 130mm Rewritable Optical Disk Cartridges for
information interchange ISO/IEC 10089. 1991 (format A) 595/650MB and
1.19/1.3 GB ISO/IEC DIS 13549.
The customer should verify the usability of non-IBM OEM brand rewritable
optical media prior to use.
Today ANSI and ISO standards for rewritable optical media are broad and
various. Manufacturers have different implementations of these standards
as a result data stored on one manufacturers drive may not be
interchangeable with another.
