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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
- and SCO Xenix are registered trademarks of Microsoft Corporation.
- Speedstor is a registered trademark of Storage Dimensions; Disk
- Manager is a registered trademark of Ontrack Computer Corporation.
-
- WD1006-RAH
-
- User Guide
-
- The WD1006-RAH controller is designed to interface with up to two
- Winchester hard disk drives with 2,7 RLL specifications 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.
-
- The advanced design of the WD1006-RAH implements the controllers'
- most significant features, 1:1 interleave and the look-ahead track
- cache to improve the throughput to the host.
-
- 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:
-
- DO NOT USE WITH MFM TYPE HARD DISK DRIVES
- THE WD1006-RAH IS TO BE USED WITH RLL DRIVES ONLY
-
- Two hard disk cables (3 if using 2 hard disk drives); Winchester RLL
- hard disk drive; screwdriver; MSDOS Version 2.0 or later; IBM
- Advanced Diagnostic diskette (or similar program for IBM
- compatibles); 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 WD1006-RAH, 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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- ┌───────────────────────────────────Drive 1─Drive 0─Control────────┐
- │ U4─────┐ ┌───J2──┐ ┌─J3─┐ ┌───J4───┐ │
- │ └─────┘ └───────┘ └────┘ └────────┘ │
- │ W1 ∙∙∙ U7─────┐W2∙∙∙ U10──────┐ │
- │ 123 └─────┘ ∙∙∙ └──────┘ │
- │ ┌─┐┌─┐ W7 ∙∙∙W3 │
- │ │ ││ │ ∙∙ ┌────┐ ┌─────┐ │
- │ │ ││ │ W8 │ │ └─────┘ │
- │ │ ││ │ ∙∙ │ │ W4∙∙ W5∙∙ │
- │ U13─┘└U14 ∙∙ └───U15 ∙∙W6 │
- │ W9 ∙∙ ∙∙ │
- └───────────────────────────────┐ ┌──┐ W10 ┌───┘
- WD1006-RAH └┴┴┴┴┴┴┴┴┴┴┘ └┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┘
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- Table 1
-
- Jumper Position Function
-
- W1 1-2 Standard: Supports 16 heads. No
- REDUCED WRITE CURRENT (RWC)
-
- 2-3 Supports 8 heads and RWC
-
- W2 No Jumper No wait states requested
-
- W3 1-2 Standard: Selects primary ports.
-
- 2-3 Selects secondary ports (Note: Most
- host systems' BIOS device drivers
- support primary ports only.
-
- W4 Jumpered Drive LED is not latched; i.e., LED
- lights for drive selection. REMOVE
- W10 IF W4 IS INSTALLED.
-
- W5 Jumpered
- W6 Jumpered Standard: BIOS address C800
-
- W5 Jumpered
- W6 No Jumper BIOS address CA00
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- W5 No Jumper
- W6 Jumpered BIOS address CC00
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- W5 No Jumper
- W6 No Jumper BIOS disabled
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- W7 1-2 Standard: Enables RLL firmware
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- W8 No Jumper Standard: 4 ECC bytes sent to host
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- 1-2 7 ECC bytes to host
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- W9 No Jumper Standard: Cacheing enabled
-
- W10 No Jumper Standard: Non-latched mode.
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- 1-2 Latched mode.
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- Hardware Installation
-
- WARNING
- MAKE SURE COMPUTER IS TURNED OFF
- AND POWER IS DISCONNECTED
-
- 1. Verify that your host computer has at least 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. DO NOT USE RADIAL SELECT OPTION.
-
- 4. Attach 34-pin control connector 1 to J4 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 J3 (Drive C or 0).
-
- 7. Attach 20-pin data connector to J2 (Drive D or 1).
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- 8. Connect data cables to drives.
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- 9. Attach Winchester activity LED connector to J6.
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- 10. 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.
-
- 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.