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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.
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- WD1002A-WX1
- User Guide
-
- Getting Started:
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- 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:
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- 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);
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- 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
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- 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.
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- Prepare Controller
-
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- ┌───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
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- Pin
- Jumper Connects Status
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- W3 Closed BIOS ROM Enabled
- Open BIOS ROM Disabled
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- 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.
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- 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.
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- 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
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- 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
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- *XT Mode
- **AT Mode
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- 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
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- Installation of Controller into Host Computer
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- Remove blank expansion slot bracket and save for future use. The
- screw will be used to hold the controller board into place.
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- 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.
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- 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.
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- If a second drive is being installed, connect the Drive 1 data cable
- to J3.
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- 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.
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- 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.
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