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Magnum One (Mid-American Digital) (Disc Manufacturing).iso
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A2X12
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1991-05-17
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Western Digital is a registered trademark of Western Digital
Corporation; IBM PC, AT and XT are registered trademarks of the
International Business Machines Corporation; MS DOS, OS2 and PC DOS
are registered trademarks of Microsoft Corporation.
WD1002A-WX1
User Guide
Getting Started:
Installation of the WD1002A-WX1 requires four steps: 1) Confirming
BIOS ROM type; 2) Checking or setting jumpers; 3) installing into
host computer; 4) formatting the disk drives. To complete
installation, you will need the following:
Two cables (3 if using two drives); MFM type drive; screwdriver;
MSDOS Version 2.0 or later; *DEBUG utility; *FDISK utility; *FORMAT
Utility. (*normally included with MSDOS);
WARNING
HANDLE THE CONTROLLER BY THE ENDS OF THE BOARD
SOME OF THE CHIPS ARE STATIC SENSITIVE AND DAMAGE
MAY OCCUR IF THE BOARD IS INCORRECTLY HANDLED
Confirming BIOS
At location U12, please confirm that your WD1002A-WX1 BIOS ROM is
part number 62-000094-followed by any three numbers (this BIOS ROM
is referred to as Western Digital's SUPERBIOS). If your controller
has any other BIOS, contact Technical Support at 1-800-777-4787.
Prepare Controller
┌───Drive 0──────────────────────────┐
│ Data Cable 34pin Control Cable │
│ ┌──J2──┐ ┌──────J1───────┐ │
┌─────┘ └──────┘ └───────────────┘ │
│ ┌──J3──┐ │
│ └──────┘ 123 │
│ Drive 1 ┌U2─┐ ∙∙∙W8 │
│ Data Cable └───┘ ∙∙∙W4 │
│ ∙1 │
│ W6 ∙2 ∙∙5 │
│ BIOS ∙3 ∙∙6 │
│ ┌──────────┐ ∙∙7 │
│ │ ( ∙∙8 S1 │
│ └──────U12─┘ ∙∙4 │
│ ∙∙3 │
└─┐ ┌─┐ ∙∙2 │
│ └┘ ∙∙1 │
└──────┐A31 J4 A1┌──────┘
│ WD1002A-WX1 │
└┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┘
Jumper Settings
Verify that the host computer contains a 135 watt power supply.
Verify that the jumper settings on the controller board are correct.
Modification of factory jumper settings is rarely necessary. For
jumper settings on W4, W6 and W8, refer to Table 1; Jumper settings
for S1 are located on Table 2.
CLOSED: Jumper (small shorting pens) is installed
OPEN: Jumper is not installed.
Table 1
Pin
Jumper Connects Status
W3 Closed BIOS ROM Enabled
Open BIOS ROM Disabled
W4 2-3 Device Address 320H
2-1 Device Address 324H
W6 2-3 Reduced Write Curent (8 Heads)
2-1 Head Sel 3 (16 heads)
W8 2-3 Standard factory setting. First or only
disk controller in system.
1-2 Second disk controller in system. Requires
modification of W4.
The following S1 jumper settings are for standard 10/20 megabyte hard
disk drives using default settings in the SUPERBIOS. If you are
using a standard 10/20 megabyte drive, you may refer to the
Simplified Formatting Instructions after completing the hardware
installation procedures. If your drive is a non-standard drive (i.e.
20 megabyte drives with other than 4 heads/615 cylinders, or hard
disk drives with a formatted capacity greater than 20 megabytes) you
will need to refer to the Dynamic Formatting instructions after
completing the hardware installation procedure.
If you do not know your drive parameters, return to the STORAGE
CONTROLLERS menu to access a listing of the most common drives and
their parameters which we have provided for your convenience. If
your drive is not listed, refer to your drive manual or contact the
manufacturer.
Table 2
S1 Jumper Settings
10Meg Drive 10 Meg Drive Standard
4Hds/306 Cyl 2Hds/615 Cyl 20Meg Drive
S1-1 Open Closed Open
S1-2 Closed Open Open
S1-3 Open Closed Open
S1-4 Closed Open Open
S1-5 Open Open Open
S1-6 Open Open Open
S1-7 Open Open Open
S1-8* Open Open Open
S1-8** Closed Closed Closed
*XT Mode
**AT Mode
Now that you have verified the jumper settings, you are ready to
install the controller and drive into your host computer.
WARNING
MAKE SURE COMPUTER IS TURNED OFF
AND POWER IS DISCONNECTED
Installation of Controller into Host Computer
Remove blank expansion slot bracket and save for future use. The
screw will be used to hold the controller board into place.
INSTALL CONTROLLER INTO ANY AVAILABLE SLOT EXCEPT SLOT 8
Connect the 34-pin (wide control cable) connector to J1 on the
controller board. Make sure that Pin 1 of the cable connector goes
to Pin 1 on the controller board. Pin 1 of the cable connector is
typically located on the color coded side of the cable.
Connect the 20-pin (data cable) to J2 (Drive 0 Data Connector) on the
controller board. Make sure that Pin 1 on the cable is connected to
Pin 1 on the controller board.
If a second drive is being installed, connect the Drive 1 data cable
to J3.
Verify that the disk drive(s) is(are) installed properly. This
includes correct placement of drive select jumpers and drive
terminator installation. Refer to the disk drive installation manual
for further information. DO NOT USE THE RADIAL SELECT OPTION.
Install the drive(s) per manufacturer's instructions.
CAUTION
WHEN ROUTING CABLES, BE CAREFUL NOT TO PINCH
THEM. CABLES MUST NOT GET CAUGHT BETWEEN THE
COVER AND THE BOARDS, NOR SHOULD THEY OBSTRUCT
ANY AIR FLOW PATH FROM FANS OR VENTS.