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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.
-
- WD1003-RA2
-
- User Guide
-
-
- The WD1003-RA2 controller is designed to interface with up to two
- floppy disk drives and up to two Winchester ST506/ST412 RLL type hard
- disk drives in an IBM PC AT or compatible system and will support
- drives with up to 16 read/write heads and 2048 cylinders. Each drive
- may be a different configuration. With the 2, 7 RLL encoding feature
- of the WD1003-RAH, up to 50% more data can be compacted onto a
- certified RLL hard disk drive using a 26 sectors per track format.
-
- There are two versions of the WD1003-RA2 available. The Feature 000
- (F000) is for non-translation operation only. The Feature 001 (F001)
- is for translation operation only (standard 30 megabyte drives).
-
- NOTE
-
- DO NOT USE THE WD1003-RA2 WITH MFM TYPE HARD DISK DRIVES
-
- Installation of the controller requires three steps: 1) verifying
- jumper settings; 2) installing into the host computer; 3) formatting
- the hard disk drives. To complete installation, you will need the
- following:
-
- Two hard disk cables (3 if using 2 hard disk drives); one 34 pin
- floppy drive cable (a daisy chain type cable if using two floppy disk
- drives); Winchester hard disk drive; floppy disk drive; screwdriver;
- MSDOS Version 2.0 or later; IBM Advanced Diagnostic diskette (or
- similar program for IBM compatibles); System Diagnostic Diskette (or
- equivalent); FDISK and Format utility (normally included with MSDOS).
-
- Preparation of Controller
-
- 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
-
- Before you can install your WD1003-RA2, you will need to be certain
- that the jumpers (small shorting plugs) are correctly set. Refer to
- Table 1 for correct jumper settings. Modification of factory jumper
- settings is rarely necessary. Modify jumpers only under the
- direction of a qualified individual; i.e. your dealer.
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- ┌──LED─────────────────────────────────────────────────────────────┐
- │ ┌─J6 J3┐ ┌J4 ┌J5┌J1 │
- │ └─┘ ││ ││ ││ ││ │
- │ 1 2 3 └┘ └┘ ││ ││ │
- │ E ∙ ∙ ∙ ││ ││ │
- │ E ∙ ∙ ∙ └┘ └┘ │
- │ 4 5 6 ┌──────┐ ∙E7 │
- │ │ U10 │ ┌U26┐ ∙E8 │
- │ WD1003-RA2 └──────┘ └───┘ ∙E9 │
- └───────────────────────────────┐ ┌──┐ ┌───┘
- └┴┴┴┴┴┴┴┴┴┴┘ └┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┘
-
-
- Table 1
-
- Jumper Position Function
-
- E1 E2-E3 Standard factor setting. Selects primary
- E2 addresses, 1F0 through 1F7 hex, for the hard
- E3 disk controller. Do not modify the primary
- address jumper unless your operating system
- is configured to accept more than two hard
- disk drives. Also, verify that E5 and E6 are
- connected if E2 and E3 are jumpered.
-
- E1-E2 Selects secondary addresses, 170 through 177
- hex, for the hard disk controller. Also
- verify that E4 and E5 are connected if E1
- and E2 are jumpered.
-
- E4 E5-E6 Standard factory setting. Selects primary
- E5 addresses, 3F0 through 3F7 hex, for the
- E6 floppy disk controller. Do not modify the
- primary address jumper unless your operating
- system is configured to accept more than two
- hard disk drives. Also verify that E2 and E3
- are connected if E5 and E6 are jumpered.
-
- E4-E5 Selects secondary addresses, 370 through 377
- hex, for the floppy disk controller. Also
- verify that E1 and E2 are connected if E4
- and E5 are jumpered.
-
- E7 E7-E8 Standard factory setting. Supports 300 or
- E8 360 RPM floppy disk drives.
- E9
- E8-E9 Selects dual speed spindle floppy disk
- drives.
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- Hardware Installation
-
- WARNING
- MAKE SURE COMPUTER IS TURNED OFF
- AND POWER IS DISCONNECTED
-
- 1. Verify that your host computer has a 135 watt power supply. If
- the disk drive(s) is(are) being installed internally, it is best to
- locate the controller in the nearest available expansion slot to the
- drive.
-
- 2. Remove the blank expansion slot bracket. Put the bracket away
- and save it for possible future use. The screw will be used to hold
- the new controller in place.
-
- 3. The terminating resistor must be present only on the last hard
- disk drive connected. If there are two drives, the terminating
- resistor must be present on the second drive. Verify proper setting
- of drive select switches for drive select 1 or 2. Refer to your
- system owner's manual for information about proper drive termination
- and select switches.
-
- 4. Attach 34-pin control connector pin 1 to J5 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.
-
- 5. Connect control cable to drive.
-
- 6. Attach 20-pin data connector to J4 (Drive C or 0).
-
- 7. Attach 20-pin data connector to J3 (Drive D or 1).
-
- 8. Connect data cables to drives.
-
- 9. Attach 34-pin floppy cable connector to J1.
-
- 10. Attach Winchester activity LED connector to J6.
-
- 11. Install controller board into the expansion slot. Make sure that
- the board is seated properly by pressing down on both ends of the
- board. Secure the board with the bracket screw.
-
- 12. Remove or disable any other floppy controller in your system
- when installing a WD1003-RA2. It is NOT possible to disable the
- floppy controller on the WD1003-RA2.
-
-
- 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.