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1992-01-31
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READ THIS FIRST
INSTALLATION GUIDE
WD1007V-SE1/SE2
Winchester/Floppy Disk Controller
COPYRIGHT 1989 WESTERN DIGITAL CORPORATION
ALL RIGHTS RESERVED
Information furnished by Western Digital Corporation is believed to be accurate
and reliable. However, no responsibility is assumed by Western Digital
Corporation for its use; nor for any infringements of patents or other rights
of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of Western Digital
Corporation. Western Digital Corporation reserves the right to change
specifications at any time without notice.
Trademarks used in this text: IBM, AT, and Personal Computer AT are registered
trademarks of International Business Machines Corporation. Xenix and MS-DOS are
registered trademarks of Microsoft Corporation. NetWare and CompSurf are
registered trademarks of Novell Incorporated. SCO is a trademark of Santa Cruz
Operation, Incorporated.
********************************************************************
INTRODUCTION
********************************************************************
The WD1007V-SE2 Winchester/Floppy Disk Controller interfaces two ESDI-
compatible hard disk drives and two floppy disk drives (5.25 or 3.5 inch) to a
PC-AT system processor. The WD1007V-SE1 is a hard drive only version of the
controller. The WD1007V BIOS ROM provides parameter tables, low-level
formatting, surface analysis and defect management routines to fully integrate
ESDI drive capabilities into your system.
This document describes installation of the WD1007V-SE1/SE2
Winchester/Floppy Disk Controller in the IBM Personal Computer AT or
compatible.
The following is a summary of the steps you will take to configure
and install your controller board for use with your hard disk drive(s)
and floppy drive(s).
1. Gather together necessary equipment and software
2. Unpack and inspect controller board
3. Configure and install hardware
4. Run setup utilities
5. Format the hard drive
6. Check installation
1
PRELIMINARY STEPS
This section describes steps you must take before installing the WD1007V
controller in your system.
********************************************************************
GATHER SUPPLIES
********************************************************************
Make sure you have all the necessary equipment and software for installation of
the WD1007V controller and configuration of your drive(s).
- screwdriver
- WD1007V-SE1 (Hard drive only controller) or WD1007V-SE2
(Hard drive and floppy controller)
- One 34-pin control cable (daisy-chained, if connecting two
hard drives)
- One 20-pin data cable (two cables, if you are connecting
two hard drives)
- One 34-pin floppy cable (daisy-chained, if you are connecting
two floppy drives)
- IBM PC-AT or compatible system with a maximum of two ESDI
hard drives or a maximum of two ESDI hard drives and two ANSI
standard floppy drives with a density sensor
- MS-DOS version 3.3 or higher, Xenix, NetWare or other operating
systems that provide disk partitioning
- If you are disabling the WD1007V BIOS ROM, then you will
also need Western Digital's WDFMT for the low-level formatting
********************************************************************
BASIC INPUT/OUTPUT SYSTEM (BIOS)
********************************************************************
Many system BIOS ROMs support only the older MFM/ST506 drives that have 17
sectors per track. The ESDI disk drive typically has 34 or more sectors per
track. Therefore, your system's BIOS ROM may not be adequate to support your
ESDI drive.
In terms of maximum flexibility and adaptability with different drives, Western
Digital recommends that you use the WD1007V BIOS ROM. ESDI drives have the
ability to present actual drive characteristics to the controller. The WD1007V
BIOS ROM reads the ESDI information and generates the appropriate drive table.
If you are installing a hard drive in your system and you want to use your
system's BIOS ROM to configure your drive, disable the WD1007V BIOS as
described in section 2, and refer to Appendix B for low-level formatting
information.
********************************************************************
IDENTIFY BOARD
********************************************************************
You have the following controller board choices:
- Install the 1007V-SE1:
If you are installing a hard drive and your floppy controller is on the
motherboard or you currently have a separate floppy controller.
- Install the 1007V-SE2:
If you are installing a hard drive(s) and a floppy drive(s)
for the first time (there is no floppy controller on the motherboard)
or you wish to replace your current controller(s). You must remove
or disable any other controller in your system.
********************************************************************
IDENTIFY DRIVE
********************************************************************
The 1007V-SE1/SE2 controller supports two ESDI drives, each having no more than
53 sectors per track, 16 heads and 2048 cylinders.
The 1007V-SE2 additionally supports two floppy disk drives (5.25 inch or 3.5
inch with single density, double density, and high density formats).
********************************************************************
IDENTIFY CABLES
********************************************************************
If you are installing a new hard drive along with the WD1007V controller board,
here are a few words about cables. Figure 1-1 shows both a twisted and a non-
twisted daisy chain cable for hard drives. Be careful not to confuse the
twisted hard disk cable with a floppy daisy chain cable. They are not
interchangeable. Floppy daisy chain cables also have 34-pin connectors and are
usually twisted. The only distinguishing mark may be that the floppy cable has
the twist located closer to pin 1 position. Also note that the twisted portion
of the hard drive cable must have exactly five wires.
If you only have one hard drive in your system, then you will probably use a
standard two-connector, 34-pin cable (not shown).
Note that the cable or cable connectors have been "keyed" in some fashion, such
as a colored stripe on the cable identifying pin 1 position and/or a notch on
the connector. This is to ensure proper connection of the cables to the
drive(s) and controller card.
Z? Z? Z? Z? Z? Z?
33DDDDDDDDDDDDDDD33DDDD33 33DDDDDDDDDDDDDDD33DDDD33
33DDDDDDDDDDDDDDD33DDDD33 33DDDDDDDDDDDDDDD33DDDD33
33DDDDDDDDDDDDDDD33DDDD33 33DDDDDDDDDDDDDDD33DDDD33
33DDDDDDDDDDDDDDD33DDDD33 33DDDDDDDDDDDDDDD33DXXD33
33DDDDDDDDDDDDDDD33DDDD33 33DDDDDDDDDDDDDDD33DXXD33
@Y @Y @Y @Y @Y @Y
Non-twist Cable Twisted Cable
********************************************************************
UNPACKING THE CONTROLLER BOARD
********************************************************************
CAUTION
Hold the controller board by the ends. Static electrical discharge can
permanently damage components if the board is not carefully handled.
Remove the controller board from its antistatic pouch and inspect it for any
visible signs of damage (scratches, loose components, broken connectors).
Contact your dealer if there is damage.
Retain any packing materials for reuse if it becomes necessary to
return your controller.
2
HOW TO CONFIGURE AND INSTALL YOUR HARDWARE
HARD DISK DRIVE CONFIGURATION
Your hard disk drive has jumpers, switches, and/or termination resistors that
must be configured before you install the drive in your computer system. Before
proceeding with the installation of your controller card, make certain your
drive(s) is properly configured and physically installed according to the
manufacturer's instructions.
- Verify proper termination of the last hard disk drive. The
last drive (and only the last drive) in your system requires a termination
resistor.
- Verify proper setting of drive select switches on your hard
drive, if necessary. Your hard drive must be configured to support
the hard sector mode. See Figure 2-1.
Figure 2-1 shows the proper drive selection settings and connections for your
hard drive, depending upon whether you are using a twisted or non-twisted daisy
chain cable. You may also have a standard two connector cable (not shown) for a
single hard disk drive. If you have such a cable, set your drive select as "1"
and do not remove the termination resistor.
34-Pin Twisted Cable
To Board Drive 1 (D:) Drive 0 (C:)
Last Drive
ZD? ZD? ZD?
3 3DDDDDDDDDDDDDDDDDDDDDDDDDDDD3 3DDDDDDDDDDDDDDDDD3 3
3 3DDDDDDDDDDDDDDDDDDDDDDDDDDDD3 3DDDDDDDDDDDDDD\/D3 3
3 3DDDDDDDDDDDDDDDDDDDDDDDDDDDD3 3DDDDDDDDDDDDDD/\D3 3
3 3DDDDDDDDDDDDDDDDDDDDDDDDDDDD3 3DDDDDDDDDDDDDDDDD3 3
@DY @DY @DY
Jumper Drive 1 and Drive 0 as Drive Select 2
34-Pin Non Twisted Cable
To Board Drive 1 (D:) Drive 0 (C:)
Last Drive
ZD? ZD? ZD?
3 3DDDDDDDDDDDDDDDDDDDDDDDDDDDD3 3DDDDDDDDDDDDDDDDD3 3
3 3DDDDDDDDDDDDDDDDDDDDDDDDDDDD3 3DDDDDDDDDDDDDDDDD3 3
3 3DDDDDDDDDDDDDDDDDDDDDDDDDDDD3 3DDDDDDDDDDDDDDDDD3 3
3 3DDDDDDDDDDDDDDDDDDDDDDDDDDDD3 3DDDDDDDDDDDDDDDDD3 3
@DY @DY @DY
Jumper Drive 1 as Drive Select 2
Jumper Drive 0 as Drive Select 1
Figure 2-1. Hard Disk Drive Select & Cables
********************************************************************
FLOPPY DRIVE CONFIGURATION
********************************************************************
Floppy drives are similarly selected and cabled. Be sure there is a termination
resistor on the last floppy drive. Refer to your Owner's Manual for your floppy
drive for proper selection and cabling information.
********************************************************************
WD1007V JUMPER CONFIGURATION
********************************************************************
Before you install the WD1007V, verify that the controller's jumpers (small
shorting plugs) are properly set to reflect your configuration choices.
Modification of the standard factory settings on the controller is rarely
necessary. Modify the jumpers only under the direction of a qualified
individual, i.e., your dealer. Figure 2-2 illustrates the jumper locations on
the WD1007V-SE2 controller board. The WD1007V-SE1 board does not have jumpers
W5 and W6. Please read the jumper descriptions which follow.
ZDDLEDDDDDrive1DDDrive0DControlDDFloppyDDDDDD?
3 J6DDD? J3DDD? J4DDD? J5DDDDD? J1DDDDD? 3
3 @DDDY @DDDDY @DDDDY @DDDDDDY @DDDDDDY 3
3 . .W5 3
3 2......12 . 3
3 1......11 .W3 3
3 W1 3
3 . .W12 3
3 . .W6 3
3 3
3 WD1007V-SE2 1...3 W7 1...3 W8 3
@DDDDDDD? P2 ZD? P1 ZDDDY
@AAAAAAAAAY @AAAAAAAAAAAAAAAAAAAAY
FIGURE 2-2. WD1007V-SE2
Note: The WD1007V-SE1 version of this controller does not support floppy drives
and jumpers W5 and W6 are not used.
W1 Jumper Connections
Module jumper W1 selects the firmware options illustrated in Figure 2-2 when no
jumpers are installed. If you are merely replacing a WD1007A controller with a
WD1007V controller and you do not wish to reformat your currently installed
drive(s), you must install jumpers on W1 9-10 and W1 11-12.
W1 1-2: When a jumper is installed, no cacheing occurs.
When no jumper is installed, cacheing is enabled. Cacheing increases overall
system performance by reading ahead and buffering data sectors likely to be
requested by the host on subsequent read commands.
W1 3-4: When a jumper is installed, the host receives seven bytes of error
correction code (ECC) during Read Long and Write Long operations.
When no jumper is installed, four byte ECC mode is selected. This is the most
common selection. When using four byte ECC mode, three ECC bytes are
temporarily saved until the next command or data transfer occurs.
W1 5-6: When a jumper is installed, the controller assumes that the values
indicated by the Set Parameters command are the true physical values of the
drive. Install this jumper only if your system supports the true physical
parameters of your drive (number of heads, cylinders, SPT).
If you have a system which cannot support drives which have more than 17 SPT or
drives that have more than 1024 cylinders, you require the default selection
(no jumper). This provides a translation scheme to more fully utilize the
capacity of your drive. See "Translation" in Appendix A for further
explanation.
W1 7-8: This is reserved. No jumper is installed.
W1 9-10: When a jumper is installed, it forces the drive to 35 SPT by issuing a
Set Unformatted Bytes per Sector command to the drive. This overrides the
drive's switches which select the SPT value. This jumper has no effect on
drives having data transfer rates of 15 Mbits per second.
Without a jumper, the controller uses the physical SPT value presented by the
drive ( as determined by the drive's jumper settings).
W1 11-12: When a jumper is installed, an alternate sector per track is
provided. The alternate sector is useful when deallocating media defects.
Mapping out media defects is important if you have an operating system which
can accommodate only a certain number of errors. If you choose to format an
alternate SPT for deallocation of media defects, you will lose some of your
drive's storage capacity.
This feature is explained further in Appendix A.
W3 thru W12 Jumper Connections
W3 Jumper Connection
To disable the installed WD1007V BIOS ROM, place a jumper on W3 1-2. Use the
system BIOS for low level formatting. See Appendix B.
W5 Jumper Connection
Without a jumper on W5 1-2, the WD1007V supports single-speed floppy drives.
When jumpered, dual-speed floppy drives are supported.
W6 and W12 Jumper Connection
To select the module's secondary address ranges, install jumpers on W6 1-2
(floppy drives ) and W12 1-2 (fixed drives). The primary address ranges of 1F0-
1F7 and 3F2-3F7 are selected when jumpers are not installed. Secondary address
ranges are selected only when using a second controller or as a means of
disabling a device.
W7 Jumper Connection
The 1007V-SE1/SE2 controller offers the default interrupt request, IRQ14.
Jumper W7 1-2 is factory installed. Note that MS-DOS, OS/2, and most other
operating systems work with IRQ14. Some operating systems may work with IRQ15
if custom drivers are installed. If your particular application requires IRQ15,
install the jumper on W7 2-3.
W8 Jumper Connection
W8 2-3 is jumpered to select the BIOS address range CC000 through CFFFF or, if
expressed as a "segment:offset" address, CC00:0000 to CC00:3FFF (CF00:0FFF).
By removing the jumper from W8 2-3 and placing it on jumper W8 1-2, the BIOS
address range can be changed to C8000 through CBFFF or, if expressed as a
segment:offset address, C800:0000 to C800:3FFF (CB00:0FFF). You only need to do
this when there is a conflict between the BIOS address range and another
device's address.
********************************************************************
INSTALLATION OF THE WD1007V
********************************************************************
CAUTION
To avoid electrical shock, make sure that all power
to your computer is off and the power cord is disconnected from the
electrical source.
1. Remove the power cord from the computer. If you remove any
cables, note their location (for easy reassembly).
2. Remove the cover of the computer according to the instructions
in your Owner's Manual.
3. Install your hard drive(s) and floppy drive(s) according
to the manufacturer's instructions. Refer to your Owner's Manual for
information about proper drive termination and select switches. Be
certain there is a termination resistor on the last hard drive and
last floppy drive in your system. Be sure you use the right
kind of cables for each device. (See Chapter 1, "Identifying Cables".
4. Remove or disable any other disk controller in your system
if you are installing the WD1007V-SE2. If you have a controller on
your motherboard, disable it according to the manufacturer's instructions.
5. Select any 16-bit expansion slot and remove the expansion
slot cover. It is best to locate the controller in the closest available
expansion slot relative to the drive. Put the expansion slot cover
away and save it for possible future use. Retain the screw to hold
the controller board in place.
6. Connect the hard drive(s) to the controller board by following
these steps:
CAUTION
When routing the 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.
Do not confuse a daisy chain cable for a hard drive with a floppy dasiy chain
cable. They are not interchangeable.
a. Connect the 34-pin control cable from the drive(s) to J5
connector on the controller. (See Figure 2-6.) Match the keyed connectors.
Keyed connectors prevent accidental reversal of the cables which can
cause severe damage to the drive and the controller.
The daisy chain control cable has three connectors. If you
have a second drive, plug the middle connector into the back of the
second drive. The shorter length of the cable connects the drives:
the longer length connects the drives to the controller card.
b. Attach the 20-pin data cable to J4 connector on the controller.
c. If you have a second hard disk drive, attach the second
20-pin data cable to J3 connector on the controller.
J4's cable connects to Drive 0: J3's cable connects to
Drive 1.
Note (DOS only)
Your system will identify Drive 0 as Drive C: Subsequent drives or partitions
are identified as D:, E:, F:, etc.
7. Connect the floppy drive(s) to the controller board by following
these steps:
a. Attach the 34-pin floppy cable to J1 connector.
A daisy chain cable has three connectors. If you have a
second drive, plug the middle connector into the back of the second
drive. The shorter length of the cable connects the drives: the longer
length connects the drives to the controller card.
8. If your system provides an activity LED indicator for the
drive, plug it into J6 on the controller.
9. Carefully slide the controller board into the expansion
slot. Ensure that the board is seated properly by pressing down evenly
on both ends of the board. Secure the board with the expansion cover
screw.
10. Replace computer cover.
11. Reattach all cables and power cords to the back panel of
the system.
The hardware installation is now complete.
12. Follow the instructions for system setup.
********************************************************************
PERFORMING AN INITIAL SETUP
********************************************************************
Your setup utility performs numerous tasks that are essential to the definition
of your system. Whether this is an initial setup or a change to your existing
system, you need to run the setup utility to tell the system what types of
hardware are installed.
Follow the instructions in your operating system manual, system BIOS manual or
use whatever means your particular system provides to perform an initial setup.
If later you experience problems with any hardware device, be sure to check
your system setup. You may have incorrectly defined a device or not identified
it at all.