Western Digital AC2540, AC2635, AC2700, AC2850, AC21000 Quick Install Guide

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Western Digital Quick Installation (AC2540- AC313000)
WD Caviar Series 3.5-Inch EIDE Hard Drives (EZ-Drive 9.06W or later)
DRIVE AC2540
540 MB
DRIVE AC21600
1.6 GB
DRIVE AC33200
3.2 GB
DRIVE AC38400
8.4 GB
This document is for use with EZ-Drive 9.06W or later. Check the version number on the EZ-Drive diskette.
AC2635
635 MB
AC31600
1.6 GB
AC34000
4.0 GB
AC310100
10.1 GB
730 MB
AC22000
2.2 GB
AC14300
4.3 GB
AC310200
10.2 GB
AC2850
850 MB
AC12100
2.1 GB
AC24300
4.3 GB
AC313000
13.0 GB
AC21000
1.0 GB
AC22100
2.1 GB
AC34300
4.3 GB
AC31000
1.0 GB
AC22500
2.5 GB
AC25100
5.1 GB
AC11200
1.2 GB
AC12500
2.5 GB
AC35100
5.1 GB
AC21200
1.2 GB
AC33100
3.1 GB
AC26400
6.4 GB
AC31200
1.2 GB
AC13200
3.2 GB
AC36400
6.4 GB
AC11600
1.6 GB
AC23200
3.2 GB
AC28400
8.4 GB

HARDW AR E INSTALLATION

Before you begin, gather these supplies:
Computer system manual
Operating system installation disks or CD-ROM
Operating system manual
Small Phillips screwdri ver and f la t-blade screwdriver
Bootable DOS disk or Windows 95 or 98 startup disk
Be sure to write down your serial and model numbers and the CCC code. These numbers are located on the drive label.

Create a Bootable DOS Dis k

For single hard drive installations, you must have a bootable DOS disk to install your new hard drive with EZ-Drive. Disk 1 of your standard DOS installation disk set is a bootable disk. If you do not have your original DOS installation disks, you can c reate a bootable DOS disk if you have a bootable C: hard drive.

1. Insert a blank floppy disk into drive A.

2. At the C: prompt, type forma t a: /s. Press EN TER.

Create a Windows 95 or 98 Startup Disk

For Windows 95 or 98 systems, you must have a bootable DOS or Windows 95 or 98 Startup disk to install your new hard drive with EZ-Drive. If using Windows 95 or 98, you should create a Windows 95 Startup di sk. To create a Windows 95 or 98 St artup disk you must have a bootable C: hard drive.

1. Insert a blank floppy disk into drive A.

2. From Windows 95 or 98, click My Computer.

3. Click Control Panel.

4. Click Add/Remove Programs.

5. Select the Startup Disk tab.

Back Up Existing Drives

Protect your data by backing up your existing hard drive before installing your new Western Digital hard drive. Save the data to removable media such as floppy disks or tape. Most operating systems include a backup utilit y. Consult your operating system or utilit ies documentation for backup ins tructions.

Unpacking and Handling the Hard Drive

Western Digital ha rd dr ives are precis ion in s t r um en t s a n d sho u ld be handled with care during unpacking and installation. Hard drives are typically damag ed by r ough handling , s hock, vib rati on, or ele ctr ostat ic discharge (ESD). Be aware of the following precautions when unpacking and installing your Western Digital hard drive.
Do not unpack your hard drive until you are ready to install it.
After your Western Digital hard drive is unpacked, place the drive on the static shielding bag on a clean, level, padded work area. Your W estern Digital hard drive come s packaged in a static shielding bag.
Save the packing materials in case you need to return your hard
drive. Shipping your hard drive in anything other th an the original packaging or Western Digital supplied or approved materials will void your warranty.
To avoid ESD problems, ground yourself by touching the metal
chassis of the computer before handling the hard drive. Articles of clothing generate static elect ricity. Do not all ow clothing to come in direct contact wi th th e ha rd drive or circuit board components.
Handle the hard drive by the sides only. Avoid touching the circuit
board components.
Do not drop or knock the hard drive.
Before installation, do not stack hard drives or stand your Western
Digital hard drive on its edge . You can, however, mount your hard drive horizontally or vertically.
Do not remov e th e tape seal or an y labels fro m th e driv e ; the
warranty will be void.

6. Click Create D isk. Fo llow the prompts to create a Wind o ws 95 Startup disk.

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If the drive you are ins talling i s the onl y drive in your system, use this setting.
If the drive you are installing is the slave drive in a two-dr i ve system, use this setting.
If the drive you are installing is the master drive in a two-dr i ve system, use this setting.
Neutral storage placement. In this position, the jumper has no effect on hard drive operation.
If the drive you are ins talling i s the onl y drive in your system, use this setting.
If the drive you are installing is the master drive in a two-dr i ve system, use this setting.
Neutral storage placement. In this position, the jumper has no effect on hard drive operation.
Cable Select (CSEL) option. Used by some system manufacturers. Requires a spe cial cable and system support.
If the drive you are installing is the slave drive in a two-dr i ve system, use this setting.
Cable Select (CSEL) option. Used by some system manufacturers. Requires a spe cial cable and system support.
Figure 1. Jumper Settings for Western Digital H ard Drives

Open Your Computer

1. Turn off your system.

2. Discharge static electricity by touching the metal chassis of the computer.

3. Unplug your computer.

4. Remove the computer's outside cover. Consult your computer system manual for details. Be sure to keep all screws and other parts together for easy reassembly.

Removing Existing Hard Drives

If replacing an existing drive, follow these instructions. IMPORTAN T. Be sure to turn off the system power and unplug the
power cord.

1. Disconnect the power cord and IDE interface cable.

2. Remove screws and slide the hard drive out of the drive bay. Handle the hard drive with care. Be caref ul not to scratch, tear, or remove the tape seal on the driv e; this will void the warranty.
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Step 1. Jumpers

Western Digital hard drives have a jumper block (J8) located next to the 40-pin IDE connector on the hard drive. These jumpe rs select options on the hard drive. Your hard drive may have either a 6-pin or 10-pin jumper block. The first 6 pins on each jumper blo ck are identical. The additional four pins on the 10-pin jumper block are reserved for future e nhancements.
The Western Digital hard drive is factory set for si n gle drive installation with a jumper in the neutral storage position (across pins 5-3 or 6-4). For standard jumper settings, see Figure 1.
The Cable Select jumper option is usually not required. It needs special support in your system hardware.
Single Hard Drive Ins talla t ion s: If installing your new Western Digital hard drive as the only hard drive in your system, leave the jumper i n the n eutral storage posi tion f or possible future use. Jumpers are not required for single hard drive installations.
Dual Hard Drive Installations: If installing your new Western Digital hard drive with an existing drive on the same IDE interface cable, use a jumper to designate the master (C:) and the slave (D:) drive.
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If installing your new Western Digital hard drive with an existing
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drive on separate IDE interface cables, leave the jumper in the neutral storage position for possible future use. The system recognizes each drive as a single, stand-alone drive. Master/slave jumper settings are only used when t here are two devices on the same IDE interfa ce cab le.
Note for Apple Users: Apple systems do not support master/slave configurations. You can only install one EIDE hard drive to each port.
This jumper should be repositioned to select the following options:
To designate the Western Digital hard drive as the master drive in a
two-drive system, place the jumper on pins 5-6.
To designate the Western Digital hard drive as the s la ve driv e in a
two-drive system, place the jumper on pins 3-4.
1. Thread the cable through the empty drive bay and slide in the Western Digital hard dr ive . (se e Figur e 2) .
If installing your new Western Digital hard drive with a non-Western Digital hard d r ive, obtain jumper configura tion information fro m the EZ-Drive software diskette, or your original drive manufacturer. Refer to page 14 for the phone numbers and internet addresses of hard drive manufacturers.
Setti n g the Jum per: Carefully place t he jumper over t he two pins specified in Figure 1. Push the jumper into place until it is firmly seated against the base of the jumper block.

Step 2. Mounting Hardware

Inspect t he bay to determine whether it is a 3.5-inch or 5.25-inch bay. The Western Digital hard drive fits into a 3.5-inch bay.
If installi ng the Western Digital hard drive in a 5.25-inch bay, you must install 5.25-inch mounting hardware. If you do not have mounting brackets, contact your system manufaturer, your local computer dealer, or call Western Digital’s technical support.

Step 3. Drive Rails (Optional)

Some computer systems have 5.25-inch drive bays that require unique sliding drive rails to comple te the hard drive instal lation. Be cause eac h system manufacturer has a different type of drive rail, rails are not included with Western Digital hard drives.
If your system requires drive rails, contact the computer system manufacturer. The following list provides phone numbers for common system manufacturers.
Common System Manufacturers
ACER 408-432 -6200 Gateway 2000 605-232 -2000 Apple 800-APL- VALU HP 208-323 -2551 AST 817-232-9824 IBM 800-IBM4YOU Compaq 800-652 -6672 Micron 208-893-3434 Dell 512-338 -4400 NEC 650-528-6000 Digital 603-884-5111 Packard Bell 800-733-1919
USA Phone Numbers
Common System Manufacturers
USA Phone Numbers

Installing Your New Western Digital Hard Drive

IMPORTANT. Your system must be turned off before connecting or disconnecting the power supply to the drive.
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Figure 2. Attaching IDE Cable to the Hard Drive
2. Attach the end of the 40-pin IDE interface cable to the 40-pin connector on the back of the Western Digital hard drive. Match pin socket 1 on the IDE cable (indicated by a color stripe on the cable) to pin 1 on the Western Digital hard drive.
Note f or App le Users: Use an Ap ple-supplied inter face cable only. Pin 40 on an Apple-s upplied interface cable i s indicated by a color stripe on the cable.
3. Attach the computer system power supply cable to the 4-pin power connector on the back of the Western Digital hard drive. The 4-pin connector is keyed to ensure pro per insertion.
4. Single Installations: Attach the end of the 40-pin IDE interface cable from the Western Digital hard drive to the 40- pin connecto r on the moth erboar d or cont r oller ca rd. Match pin socket 1 (i n di­cated by a color stripe on the cable) on the IDE interface cable (next to the drive power conne ctor) to pin 1 on the motherboar d or controller card.
Dual Installations: Connect the two hard drives by using a 40­pin, three-conn ector IDE interface cable. A 40-pin, three­connector IDE interface cable is included in this hard drive package. Match pin sock et 1 on the 40-pin, three-connector IDE cable to pin 1 on the drive's connector.
5. Mount the Western Digital hard drive in the driv e bay us ing th e four mounting screws pro vided . For proper grounding, be sure to use ALL FOUR screws.
If your system does not have an extra power connector, purchase a Y -adapter from your computer dealer.

6. Check all cable connections. Replace the system cover.

7. Plug in your computer.

8. See the EZ-Drive Softwa re Installation section below for hard drive setup instructions

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SOFTWARE INSTALLATION

Before partitioning and formatting your new hard drive, you need to config ure y our sy s tem BI OS. Your computer sys tem pr o vi des a n initia l setup ability (CMOS Setu p ) that allows you to tell the syste m what type of hardware you are using.

Configuring the System BIOS

Each system BIOS is different. The information supplied here is not meant to be followed step-by-step; it is provided only as a guideline. Refer to your system manual for details.
1. Enter your CMOS setup program (sometimes called the Setup program). Refer t o your system manual for instructio ns
IMPORTAN T. If your system does not respond (locks up) on ini­tial boot, see Operating System and System BIOS Limitations on page 9.
2. Enable options such as LBA or Translation Mode. If you do not have either option, you need to use EZ-Drive to
install your ne w har d drive , upgr ade the system BIOS , or i nstall an EIDE controller card with onboard BIOS that supports the full drive capacity. See page 12 for a list of BIOS sources and phone numbers.
3. Select an auto config drive type. The full capacity of your drive should di spla y.
If your system BIOS does not have an auto config drive type, select user defined and enter 1023 cylinders, 16 he ad s, and 63 sectors for the drive parameters. Selecting user defined ensures that EZ-BIOS will install on your system.
If your system BIOS does not have auto config or user defined, select Type 9. Selecting Type 9 ensures that EZ-BIOS will install
on your system.

EZ-Drive Software Overview

EZ-Drive is a software utility that quickly and easily partitions and formats your new hard drive. If needed, EZ-Drive installs added code in the boot sector of your hard drive if it determines that your system BIOS does not support the full capacity of your hard drive. EZ-Drive software is included with the W estern Digital hard drive to:
Overcome the 8.4 GB, 2.1 GB, and 528 MB system BIOS limita-
tions.
Partition and format your new hard drive.
Copy system files needed to boot your new hard drive.
Copy the contents of an existing hard drive onto your new hard
drive (opti on a l).
If you did not receive EZ-Drive software, you can download it from the Western Digital web site at www.westerndigital.com.
Operating System C ompatibility
You CAN use EZ-Drive software with these operating systems:
DOS 5.0 and above
Windows 98
Windows 95
Windows NT 3.51 and 4.0 (do not use alternate jumper se ttings
for h a rd drives >4.2 GB )
Windows 3.1x and Windows for Workgroups 3.11
OS/2 Warp 3.0 and 4.0
IMPORTANT. Windows NT 3.51 and 4.0 and OS/2 Warp 3.0 and
4.0 DO NOT support the EZ-Drive floppy boot protection scheme. If using one of these operating systems, you must disable floppy boot protection immediately after installing EZ-Drive.
You CANNOT use EZ-Drive with these operating systems:
Macintosh
Novell NetWare
Unix
If using a Macint os h computer, partition and form at your new hard drive with the Apple Drive Setup software. If using Unix or Novell NetWare, consult your operating system manual to partition and format your hard drive.
EZ-BIOS
EZ-BI O S i s code th at installs on the boot sector o f th e ha rd dr ive if your system BIOS does not support the full capacity of your hard drive. E Z- BIOS help s you r syst em o v er co me th e 8. 4 GB, 2.1 GB , and 528 MB barriers. See Operating System and System BIOS Limitations on page9.
EZ-Drive determines if your system BIOS as set supports the full capacity of your hard drive. If it does, EZ-Drive only partitions and formats the hard drive; it does not install EZ-BIOS. If it does not, EZ-Drive partitions and formats the hard drive and install s EZ- B IOS on the boot sector of the hard drive.
Partition and Format
EZ-Drive automatically partitions and formats your hard dr ive. You can accept the EZ-Drive default partition sizes or create custom partitions. See Question 14 in th e Fr equently Asked Questions section (page 13) before partitioning your hard drive.
Since it is difficult to determine if your system BIOS supports 8.4 GB or larger hard drives, we recommend using EZ-Drive 9.06W or later versions. It is a fast and easy way to partition and format y our new hard drive.
IMPORTANT. DOS, Windows 3.1x, and earl y versions of Wi ndows 95 use FAT16 file systems which have a 2.1 GB partition limit. You must create multiple pa r titions on hard d r ives la r ger than 2 .1 GB.
Copying System Files
EZ-Drive copies system files needed to boot your new hard drive. These files can be copied from your existing hard drive or diskette.
Copying Data from an Existing Hard Drive to a New Ha rd Drive
For DOS, Windows 3.1x, Windows 95, Windows 98, and Windows NT systems, use this feature to copy the contents (operating systems, data, hidden files, and programs) of an existing hard drive to your new hard drive. If you use this feature, you do not need to reinstall your operating sys tems and softwa r e programs on your new hard drive.
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Note: EZ-Drive cannot copy OS/2 HPFS and Windows NT NTFS partitions (some OS/2 and W i n dows N T systems have these partit ion types).
EZ-Drive Help Files
To obtain more information about EZ-Drive, select View Help File from the EZ-Drive main menu.
Software Compatibility Converting Ontrack Disk Manager Partitions to EZ-Drive
Partitions: Ontrack Disk Manager and EZ-Drive canno t coexist in
the same system. If your existing drive has Ontrack Disk Manager installed, use the EZ-Drive Fully Automatic Install to set up your new hard drive and convert Ontrack Disk Manager boot code to EZ-BIOS.
Even though EZ-Drive converts Ontrack Disk Manager partitions to EZ-BIOS partitions without data loss, be sur e to back up your existing hard drive before proceeding.
Data Compression Software: EZ-Drive is compatible with Stacker, Drivespace, and Doublespace disk compression utilities. Other data compression software may not be compatible. Always back up your data before using any data compression software.
Diagnostic Software: Some system manufacturer diagnostic software may be incompatible with EZ-Drive.
Hard Disk Device Drivers: Products that use their own hard disk device drivers such as third-party disk controllers and some caching controlle r s may no t be comp at i ble wi t h EZ -Dr ive .
Memory Managers: EZ-Drive is fully compat ible with the standard memory managers that come with DOS and Windows. However, EZ-Drive loads in conventional memory and may not be compatible with some third-party memory managers.

Using EZ-Drive Software

5. From the EZ-Drive main menu, select Fully Automatic Install to have EZ-Drive set up the hard drive.
6. From the EZ-BIOS Required screen, type Y to install EZ-BIOS and access the full capacity of the hard drive.
Note: This screen only displays if your system BIOS does not support the full capacity of your new hard drive.
7. From the Copy System Files screen, insert a DOS system disk or a Windows 95 or 98 Startup disk. It is important to insert the same version of the operating system disk as you are planning to install after the EZ-Drive installation. Press ENTER to continue setup.
IMPORTANT. EZ-Drive copies system files needed to boot the hard drive. It does not install the operating system. You need to complete the operating system installation after installing EZ-Drive.
8. The next two apply if your system supports FAT32 partitions. Proceed to step 9 if your system only supports FAT16 partitions.
Select Yes to accept the FAT32 partition, or select No to use multiple FAT16 partitions. Then press ENTER.
Select Use These Partition Sizes to accept the default partition sizes. Select Enter New Partition Sizes to create custom partitions.
To complete the EZ-Drive installation, proceed to Step 10.
9. From the P artition and Format s creen, select Use These Partition
Sizes to accept the default partition sizes. Select Enter New Parti­tion Sizes to create custom partitions.
IMPORTANT. DOS, Windows 3.1x, and early versions of
Windows 95 use FAT16 file systems which have a 2.1 GB parti­tion li mit. You must create multiple partitions on hard drives larger than 2.1 GB. Do not cr eate a partition larger than 2.1 GB (2147 MB).
10.Select Continue Setup to have EZ-Drive set up the hard drive.
11. Your hard drive is now partitioned, formatted, and ready for use. When the Hard Drive Se tup Complete scre en displ ays, r emove the disk from the floppy drive and press ESC to reboot the system.
Single Hard Drive Installation
Follow the steps outlined below to set up your hard drive for use in a one-drive system. These steps are a guideline. Depend i n g on your system and hard drive, the EZ-Drive screens you see may be different than those presented here.
If installing your hard drive in a multiple-drive system, see the Adding Y our New Hard Drive with an Existing Hard Drive section.
IMPORTANT: Windows NT 3.51 and 4.0 and OS/2 Warp 3.0 and
4.0 DO NOT support the EZ-Drive floppy boot protection scheme. If using one of these operating systems, you must disable floppy boot protec t i on . See t he EZ-Drive Advanced Options section on page 7.
1. Insert the EZ-Drive disk in the drive A.
2. Reb oo t the system .
3. The EZ-Drive Welcome screen displays. Press any key to continue.
4. The EZ-Drive license agreement screen displays. Press ENTER to begin installation.
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12. If EZ-BIOS installed, the following message displays during the system boot. If this message does not display, EZ-BIOS did not install. This me ssage only dis pl ays once . S ee y our oper ating system manual for installation instructions.
To inst all an op erating sys tem (OS) from flo ppy, insert first operating system (OS) Setup Disk into drive A.
Type A to begi n OS ins tall. Type C to skip OS install and boot to C:
13. If you do not want to install your operating system at this time, type C and follow the instruct io ns in th e Installing an O pe rating System from Floppy Disk with EZ-BIOS Installe d section on page 6.
To install your operating system, insert the operating system installation disk 1 and type A. The following message displays.
EZ-BI OS : Con ti nuing star tup Inser t Bo ot Di sk and Press Any Key
14. P r ess any key to begin operating system installation. Follow the onscreen prompts to complete the installation.
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The operating system does not need to partition and format the hard drive. EZ-Drive has already set up partitions and format ted the hard drive.
Adding Your New Hard Drive with an Existing Hard Drive
Follow the steps outlined below to set up the hard drive for use in a multiple-drive system. These steps are a guideline. Depending on your system and hard drive, the EZ-Drive screens you see may be different than those presented here. The examples shown are based on rejumpering your existing hard drive as a slave, with your new hard drive in the master position.
12. When the Hard Drive Setup Complete screen displays, remove any disk from the floppy drive and press ESC to reboot the system.
13. Your hard drive is now partitioned, formatted, and ready for use.
To Determine if EZ- BIO S Installed
If EZ-BIOS installed on your master drive (Drive 1), the following message displays when you reboot the system.
EZ-BI OS : Ini tializin g . . . EZ-BIOS: Hold the CTRL key down for Status Screen or to boot from floppy . . .
IMPORTANT. Windows NT 3.51 and 4.0 and OS/2 Warp 3.0 and
4.0 DO NOT support the EZ-Drive floppy boot protection scheme. If using one of these operating systems, you must disable floppy boot protec t i on . See t he EZ-Drive Advanced Options section on page 7. If copying data from an existing hard drive see page 4.
1. Insert the EZ-Drive disk in the drive A.
2. Reb oo t th e sys t em. Note for Windows Us e rs: EZ-Dr iv e c a nn ot run w h i le Windows is
active.
3. The EZ-Drive Welcome screen displays. Press any key to continue.
4. The EZ-Drive license agreement screen displays. Press
ENTER
to
begin installation.
5. From the EZ-Drive main menu, select Fully Automatic Inst all to have EZ-Drive set up the hard drive.
6. EZ-Drive automatically detects your new Western Digital hard drive and highlights the model number in the lower portion of the screen. If the highlighted drive is the one you need to partition and forma t , se lec t Yes to have EZ-Drive set up your hard drive.
7. From the EZ-BIOS Required screen, type Y to install EZ-BIOS and access the full capacity of the hard drive.
Note: This screen only displays if your system BIOS does not sup­port the full capacity of your new hard drive.
8. Select Copy Sys tem Files to make the hard drive bootable. Select Copy Drive... to copy the contents of an existing drive to
the new hard drive.
9. The next two options apply if your system supports FAT32 parti­tions. Proceed to step 10 if your system only supports FAT16 partitions.
Select Yes to accept the FAT32 partition, or select No to use multi­ple FAT16 partitions. Then press
ENTER
.
Select Use this Partition Size to accept t he defau lt parti t i on sizes. Select Enter New Partition Sizes to create custom partitions.
10.Select Use These Partition Sizes to create the displayed partitions. Select Ente r New Partition Sizes to create custom partitions.
IMPORTANT. DOS, Window s 3.1x, and early versions of Windows 95 use FA T16 file systems that have a 2.1 GB partition limit. You must crea t e multiple partitions on ha rd drives larger than 2.1 GB (2147 MB).
11.Select Continue Setup to have EZ-Drive set up the hard drive.

Installing an Operating System from Floppy Disk with EZ-BIOS Installed

If EZ-BIOS installed on your hard drive, use the following procedure to install an ope r a ting system from floppy disk.
If EZ-BIOS did not install, follow the installation instructions in your operating system manual.
CAUTION. If your operating system is not installed exactly as described below, the operating system setup routine reformats the drive to less than the full drive capacity.
1. Reboot your system with no floppy disk. After you reboot (before inserting your bootable floppy disk), the
following message may display.
EZ-BI OS : Ini ti alizing . . . EZ-BIOS: Hold the CTRL key down for Status Screen or to boot from floppy . . .
If the preceding message does not display, EZ-BIOS is not installed. Boot to the first operating system installation disk.
2. Press and ho ld the
key down. A status screen displays.
CTRL
3. R ea d th e sc re en prompt and t yp e A. Note: If the system boots your operating system without the status
screen displaying, you either pressed the
key too early or too
CTRL
late. Reboot and try again.
4. Insert disk 1 of the operating system installation software into drive A. Pres s
. Follow the operating system instructions
ENTER
EZ-Drive already partitioned and formatted the hard drive. Do not use the operating system to partition and format the hard drive.

Installing an Operating System from CD-ROM with EZ-BIOS Installed

To inst all an operating syst em from CD -ROM, follow the procedures outlined in the section Booting from Floppy Disk. Then install the CD­ROM driver. The CD-ROM drive will not operate without a driver. See your CD-ROM do cu mentation for details.
Once your CD-ROM driver is installed, you can install the operating system from CD-ROM. See the ope rating system do cumentati on for instructions.
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EZ-Drive Advanced Options

The features described in this section are optional. They are intended for advanced users only and do not need to be used during standard operations.
Booting from Floppy Disk
If EZ-BIOS is installed on your hard drive, you must use the followin g proc ed u re to boo t fro m fl o p py d is k. EZ-BIOS must always load from the hard drive before the operating system loads. This procedure allows th e o p e r ati n g sy s t em to lo ad from flopp y disk.
Floppy Boot Protection
EZ-BIOS and your system BIOS use different translation methods to access your hard drive. Your system BIOS cannot correctly access partitions created by EZ-BIO S. If you do not follow the correct procedures for booting to floppy disk, EZ-BIOS will not load and your system BIOS will incorrectly access your hard drive, resulting in possible data loss. Enabling floppy boot protection prevents access to your hard drives if you incorrectly boot to a floppy disk.
Floppy b oo t protection e nabled: Floppy boot protection is automatically enabled when you use EZ-D rive to set up your hard drive. DOS 5.0 and above, Windows 3.1x, Windows for Wo rk groups
3.11, Windows 98, and Windows 95 work with floppy boot protection enabled. When you boot to a floppy disk, follow the instructions in Booting from Floppy Disk below to ensure that EZ-BIOS loads. If you do not follow these instructions, EZ-BIOS will not load and your hard drive will be inaccessible.
Floppy b oo t protection disabled: Windows NT 3.51 and 4.0, and OS/2 Warp 3.0 and 4.0, DO NOT su p p ort floppy bo ot protectio n. If using one of these operating systems, you have two options:
1. Disable floppy boot protection.
2. Upgrade your system BIOS to support the full capacity of your hard drive so that you do not need to use EZ-Drive.
If you disable floppy boot protection, follow the instr uc tions in Booting from Floppy Disk to ensure that EZ-BIOS loads when you boot to a floppy disk. If you do not follow these instructions, EZ­BIOS will not load, and your system BIOS will incorrectly access your hard drive.
CAUTION. Disabling floppy boot protection can result in data loss. See Booting from Floppy Disk to avoid data loss.
If floppy boot protection is enabled and you do not follow this procedure, EZ -B IOS will not load and your hard drive wil l be inacc e ssi b le . If f loppy boo t pr ot ec ti on is dis ab led and you do n ot follow this procedure, EZ-BIOS will not load and your system BIOS will incorrec tly access your hard drive. This can result in data loss .
1. Reboot the system. Do not insert the floppy disk at this time. The following messages will display if EZ-BIOS is installed on your hard drive.
EZ-BI OS : Ini tializin g . . . EZ-BIOS: Hold the CTRL key down for Status Screen or to boot from floppy . . .
Note: This message will not disp lay if you rebo ot the syst em with a floppy disk in the floppy drive.
2. Press and hold down the
key. A status screen displays.
CTRL
Note: If the system boots to the operating system without displaying the status screen, you pressed the
key too early or
CTRL
too late. Reboot and try again.
3. R ea d th e sc re en prompt and t yp e A .
4. Insert a bootable disk (DOS system disk or Windows 95 Startup disk) into drive A. Press any key.
The operating system loads from the floppy disk, and EZ-BIOS correctly accesses your hard drive.
Back Up/Restore Track Zero (0)
Use this option to back up and restore track 0 on any hard drive in a system with an existing hard drive. Track 0 contains EZ-BIOS code and important information about the pa rtition. This option does not back up user data.
When installing your new drive, EZ-Drive automatically creates a back up of Track 0 before it partitions and formats the drive. If you ever have trouble booting the system, use this option to restore Track 0.
To Disable Floppy Boot Protection
1. Boot from your EZ-Drive disk.
2. From the EZ-Drive main menu, select Advanced Options. Select EZ-BIOS Setup.
3. Select the drive you want to change and press
4. Select Floppy Boot Protection. Press
ENTER
to toggle the selec-
ENTER
.
tion to Disabled.
5. Select Exit - Save Changes.
Floppy Boot Protection is now disabled.
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To Back up Track 0
1. Boot from your EZ-Drive disk.
2. From the EZ-Drive main menu, select Advanced Options.
3. From the Advanced Options menu, select Backup/Restore Track 0.
4. Select the drive for which you want to back up Track 0.
5. Press ENTER. EZ-Drive creates a ba ck up of Track 0 for the selected drive.
To Restore Track 0
1. Boot from your EZ-Drive disk.
2. From the EZ-Drive main menu, select Advanced Options.
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3. From the Advanced Options menu, select Backup/Restore Track 0.
4. Select the drive for which y ou want to restore Track 0.
5. Press the number for the backup you want to restore. EZ-Drive restores the selected Track 0.
7. Repeat steps 1 through 3.
8. Select Uninstall EZ-BIO S .
9. A warning message displays. Type Y to remove EZ-BIOS. EZ-Drive is now uninstalled with your BIOS controlling the hard
drive.
Copy Entire Partition
Use this option to copy all of the data (including hidden files) from one partition onto another partition. The total size of the data to be copied cannot exceed the size of the destination partition.
Note: Some system BIOSs ha ve a boot order op t i on. Make sure that i t matches the drive order you have installed.
CAUTION. This option overwrites existing data on the destination partition.
1. Boot from your EZ-Drive disk.
2. From the EZ-Drive main menu, select Advanced Options.
3. From the Advanced Options menu, select Copy Entire Partition.
4. From the Choose Source Partition screen, select the partition you want to copy. The selected partition displays on the Source screen.
5. From the Choose Destination Partition screen, select the partition you want to overwrite. The selected partition displays on the Destination screen. EZ-Drive copies the data on the Source parti­tion to the Destination partition.
Uninstalling EZ-BIOS
This option removes EZ-BIOS and re turns control of the drive to your system BIOS.
You may want to uninstall EZ-BIOS if you make any of the following changes to your system:
Upgrade your system BIOS to support the full capacity of all hard
drives in your system.
Install an EIDE controller card with onboard BIOS that supports
the full capacity of all hard drives in your system.
Move your hard drives to a system that supports the full capacity of
all hard drives in your system.
IMPORTANT: Before disabling EZ-B IOS, make sure tha t you first back up all your data first, then properly configure the system BIOS to recognize the drive capacity.
1. Boot from your EZ-Drive disk.
2. From the EZ-Drive main menu, select Advanced Options.
3. From the Advanced Options screen, select EZ-BIOS Setup.
4. Select the drive you want to change. Press
5. Select Controlled by EZ-BIOS. Press
ENTER
.
ENTER
to toggle the selec­tion to Disabled. A warning messa ge displays. Press Y to disable EZ-BIOS.
Removin g Ontrack Disk M anager 63-Se ctor Offse t
Use this option to remove the Ontrack Disk Manager 63-sector offset. If you convert Ontrack Disk Manager partitions to EZ-Drive partitions and need to uninsta ll EZ-BIOS, you must remove the Ontrack Disk Manager 63-sector offset before uninstalling EZ-BIOS. EZ-Drive cannot remove Ontrack Disk Manager 63-sector offset for OS/2 W arp and Windows NT partitions.
Be sure to back up all data on your hard drive prior to 63-sector offset removal. To remove Ontrack Dis k Manage r 63-sec tor offse t fr om your existing hard drive:
1. Boot from your EZ-Drive disk.
2. From the EZ-Drive main menu, select Advanced Options.
3. From the Advanced Options screen, select Remove 63-Sector Offset.
4. Select Yes to continue.
5. Type Y to remove the Ontrack Disk Manager 63-sector offs et.
The 63-sector data offset is now removed.
Enabling 32-bit Disk Access in Windows 3.1x
To enable 32-bit disk access in Windows 3.1x, you must run SETUP.EXE located on the EZ-Drive disk. SETUP.EXE installs the 32-bit disk access driver only. It does NOT install EZ-Drive. You must install Windows before ru nn in g the setup program.
The 32-bit disk access driver is a Windows 3.1x driver; it is NOT intended for use in Windows NT and Windows 95 as these operating systems have built-in 32-bit disk access support.
To Run the Setup Program
1. Insert the EZ-Drive disk into drive A (or B). Y ou must run the setup program from Windows. In Windows, select Run from the File Menu. Type: a:\setup
2. The EZ-Drive installation utility loads. Select Install Driver from the opt ions listed at th e b o ttom of the scre en .
When the screen prompt "Restart Windows" displays, your driver is installed.
3. Select R e start Windows .
4. A Status Screen displays hard drive information the first tim e you reboot. Press any key to start Windows.
Your driver is now installed. Use the following instructions to enable the 32-bit disk access driver.
6. Reboot the system and verify that the system operates properly.
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To Enable the 32-bit Disk Access Driver
1. Start Windows. Select Control Panel, and then sele ct 3 86
Enhanced.
2. Select Virtual Memory , and the n se le ct Change.
3. Select Use 32-Bit Disk Acc e ss at the bottom of the screen.
4. Select OK.

TROUBLESHOOTING

formats the hard drive; it does not install EZ-BIOS. If the values do not match, EZ-Dr ive partit ions and fo rmats the har d driv e and instal ls EZ-BIOS on the boot sector of the hard drive.
Operating System and System BIOS Limitations for 8.4 GB and Larger Hard Drives
The following is required to acces s the full capacity of an 8.4 GB or larger hard drive:
A system BIOS that supports extended functions
An operating system that recognizes extended BIOS functions
This section lists procedures to help resolve problems that you may encounter when installing the Western Digital hard drive.
Refer to your system documentation to be sure that you followed
the setup procedures correctly.
Make sure that you partitioned and formatted the EIDE drive and
any additional drive with the EZ-Drive installation software. Refer to your operating system documentation to check these procedures.
If using DOS 3.3 and above, be certain to make one partition
active during formatting.
Check the physical installation of your system to make sure that:
- Jumper selections on the drive are correct for your installation.
- Cables are correctly connected and seated.
- Adapter card, if required, is properly seated, connected, and configured.
- Power is properly connected to your system and the system is plugged in.

Operating System and System BIOS Limitations

Computer operating systems and system BIOSs have separate limitations that are re lated to specific hard driv e capacities. Three capacity points that can affect how your operating system and system BIOS support your hard driv e are 8.4 GB, 2.1 GB, and 528 MB. A brief description of these limitations follows.
8.4 GB Barrier: There is an 8.4 GB hard drive limitation on some traditional system BIOSs. To access the full capacity of 8.4 GB and larger hard drives, your system BIOS must support extended BIOS functions, and your operating system must recognize extended BIOS functions. It is difficult to determine if your system BIOS supports
8.4 GB or larger hard drives. We recommend using EZ-Drive 9.06W or later to ensure support of the full capacity of your hard drive.
2.1 GB Barrier: Some computer systems built before early 1996 do not support hard drives with more than 4095 cylinders (hard drives larger than 2.1 GB), unless you update the system BIOS, install an EIDE controller card with onboard BIOS, or install third-party software such as EZ-Drive.
528 MB Barrier: Most computer syste ms bu ilt be fore Aug ust 19 94 do not support hard drives larger than 528 MB, unless you update the system BIOS, install an EIDE controller card with onboard BIOS, or install third-party software such as EZ-Drive.
To determine if your system B IOS suppo rts the ful l capacity of you r hard drive, EZ-Drive compares the system CMOS settings to the actual drive size. If the values match, EZ-Drive only partitions and
The limitations of your system BIOS and your operating system combined determine your overall system limitation. For example, if your operating system recognizes extended BIOS functions, but your system BIOS has a 2.1 GB drive barrier, you are limited to your system BIOS's 2.1 GB drive barrier. Conversely, if your operating system does not recognize extended BIOS function s, but your system BIOS supports 8.4 GB hard drives, you are limited to your operating system's capability. Your system limitation is based on the lowest functioning barrier.
Since i t is diff i cult to deter mine if yo ur system BIOS supports your
8.4 GB or larger hard drive, we recommend using EZ-Drive 9.06W to support the full capacity of your hard drive. Another option is to upgrade your system BIOS. A properly upgraded system BIOS will support the full capacity of your hard drive if used with an operating system that recognizes extended BIOS functions. Contact your system manufacturer for more information. See page 3 for a list of common system manufacturers and page12 for BIOS upgrade sources.
Operating systems that recognize extended BIOS functions:
Windows 95
Windows 98
Operating systems that do not recognize extended BIOS functions. See the table that follows for limitations and exceptions.
DOS 6.xx and earlier
Windows 3.1x
Windows NT
Novell NetWare
OS/2 Warp
.
Operating System Limitations and Exceptions
DOS 6.xx an d earlier Windows 3.1x
Windows NT Windows NT 4.0 with Ser vice Pack 3 supports hard
Novell NetWare Novell NetWare 4. 11: Drivers are available to support
OS/2 Warp Requires patch t o support 8.4 GB or larger hard
8.4 GB maximum c apacity limit. Hard drive capaci ties larger than 8.4 GB are recognized as 8.4 GB.
drive capacities larger than 8.4 GB.
capaci ties larger than 8.4 GB. Novell NetWare 5 supports 8.4 GB and larger hard drives.
drives.
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System BIOS Limitations for Hard Drives Larger Than 2.1 GB
IMPORTANT. If you installed a 2.5 GB or larger hard drive and your system does not respond (locks up) on initial boot, read this section.
Hard drives large r than 2.1 GB have more than 4095 cylinder s. On some systems, the system BIOS cannot properly recognize hard drives with more than 4095 cylinders.
You will know if your system BIOS has this limitation after installing your drive if:
Y our operating system shows a much smaller drive capacity than
the actual drive capacity.
Y our system locks up on initial boot, preventing you from accessing
CMOS setup.
Opera ting System Show s a Much Smal l e r Ca pacity
If your operating system shows a much smaller drive capacity, use EZ-Drive to overc ome the 2.1 GB BIOS limitation.
Your System Locks Up on Initial Boot
If you cannot access the CMOS setup because your system locks up on initial boot, follow the instructions below.
1. Turn off your system power, check the IDE interface cable and power supply cable.
2. Check jumper settings.
3. Turn on your system power.
C. Install an EIDE controller card with an onboard BIOS that sup-
ports hard drives larger than 2.1 GB. For 8.4 GB or larger hard drives, the EIDE controller card must support extended BIOS functions.
D. Rejumper the drive as described on the following page and install
EZ-Drive. With these alternate jumper settings, you MUST install EZ-Drive. If you move this hard drive to another system, you must put the jumper back to the standard position.
Note for Windows NT U s er s : If you r system locks up, and you are using Windows NT, do not use these alternate jumper settings. You need to either use the standard jumper settings on page 2 and select a user defined drive type in CMOS setup or upgrade your system BIOS to support the full capacity of your new hard driv e.
IMPORTAN T. These alternative jumper settings DO NOT work with Windows NT, Novell NetWare, or Unix.
CAUTION: Us e th es e ju mper settings only if you encounter the specific BIOS limitation (system locks up) described in this section. These jumper settings cause the drive to report 4092 cylinders (2.1 GB) rather than the actual drive capacity. If you use these jumper settings, you MUST install EZ-Drive to access the full capacity of your new hard drive.
Single Drive: If you have a 2.5 GB or larger hard drive, your system locks up on initial boot, and the dr ive you are installing is the only drive in your system, set the jumpers in these positions.
4. Try to enter your CMOS setup and set the drive type to auto config.
If your system still does not respond, your system BIOS may not support drives with more than 4095 cylinders. If this is the case, consid er t hese solutions:
A. Use EZ-Drive.
If the system locks up and prevents entry to CMOS, you need to turn off your system power and disconnect the IDE interface cable from the system.
- Enter your CMOS setup. Refer to your system manual for
instructions.
- Sele ct the Hard Disk Type option for the new Western Digi tal
hard drive. Se lect a user d e fined drive type and enter: 1023 cyl in- ders, 16 heads, and 63 sectors. If your system does not have a user defined drive type, select Type 9.
- Reconnect your IDE interface cable to the system.
- Run EZ-Drive or boot to the EZ-Drive 9.06W diskette.These
new settings allow your system to boot so that you can install EZ-BIOS to access the full capacity of the drive.
- OR -
If you do not have a user defin e d or Type 9 drive type, use option B, C, or D below to change the parameters reported to the BIOS.
B. Upgrade yo ur system BI O S
A properly upgraded system BIOS will support the full capacity of your hard drive. Contact your system manufacturer and closely follow their specific instructions. See page3 for a list of common system manufacturers and page 12 for BIOS up grade sources wit h their phone num b er s.
Dual (Maste r) Drive: If you have a 2.5 GB or larg e r hard drive , your system locks up on initial boot, and the drive you are installing is the master drive in a two-drive system, set the jumpers in these positions.
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Dual (Slave) Drive : If you have a 2.5 GB or larger hard drive, your system locks up on initial boot, and the drive you are installing is the slave drive in a two-drive system, set the jumpers in these positions.

Frequently Asked Questions

Q1: What inf orma t ion shou ld I gather be f ore calling Technical Suppor t? A: Gather together as much information as possible, including the
following:
1. Be prepared to give your hard drive ser ial n umber, complete model number, and CCC code. (Y ou should have recorded this in the Introduction section of this guide.)
2. Be in front of the compu ter in qu estion and kno w what devi ces ar e in your computer. If possible, have in hand the user guides for these devices. What hard drive(s) do you have?
3. Know the version of the operating system you are using. To check your ve r s ion of Wi n d o ws:
- Right click My Computer
-Select Propertie s
- Write down the information listed under System
4.00.950 and 4.00.950a = WIN95
4.00.950b = WIN95 OEM SR2
4. Know your CPU type and speed (for example , P5/233).
5. Know th e a mount of memory (RAM) in your sys tem. What memory management utility (such as QEMM or HIMEM) are you using ?
6. Know the manufacturer, date, and version of the system BIOS (CMOS).
7. Know the amount of storage space available on your hard drive and the size of each partition.
8. Have printed copies (or onscreen copies) of your AUTOEXEC.BAT and CONFIG.SYS files.
Q2: I ran Fdisk on my 8.4 GB or larger ha r d drive a nd cr eate d partiti ons. Everything appeared normal but now I cannot boot my system even from a DOS floppy.
A: Your system BIOS did not properly handle the 8.4 GB or larger
hard drive. This caused Fdisk to create an unusable partition. DOS hangs as soon as it detects this unusable partition. Booti ng from a DOS bootable diskette will not work. You must boot from the EZ-Drive diskette, repartition and format your hard drive, and install EZ-BIOS to support your 8.4 GB or larger hard drive.
When you reboot using your EZ-Drive diskette and select Fully Automatic Install, you will encounter the following warning screen:
*** Warning!*** You have chosen to overwrite:Drive 1: WDC AC xxxxxx It has a FAT16 partition.
EZ-Drive will erase Drive 1. Are you sure you want to continue? (Type YES or NO):
Type YES to continue. Follow the remaining prompts to repartition and format your hard drive.
Q3: I used EZ-Drive to set up my 8.4 GB or larger hard drive , and one of the following messages displays on my system every time I reboot:
1790 Disk 0 error, or
1780 hard disk error
A: This message may display after changing your hard drive configuration. If it displays more than once, and/or the system does not boot to the hard drive after installing EZ-Drive, you must add an additional jumper. Refer to the alternate jumper settings on pages 10, add an additional j umper, the n boot t o the EZ-Driv e diske tte to set up your hard drive.
Q4: I do not see the full capacity of my hard drive when installing my operating system.
A: There are three issues that can affect the installation of your hard
drive:
8.4 GB and la r ge r ha rd dri ves ex ce ed t he stan d a rd BI OS a nd DO S
operating system barrier of 16,320 cyl ind ers, 16 heads, and 63 sectors. This is a DOS limitation and cannot be overcome with EZ-BIOS or a BIOS upgrade.
Some computer systems built be f ore early 1996 do not support
hard drives with more than 4095 cylinders (hard drives larger than
2.1 GB).
A typical system BIOS dated befor e August 1994 does not
recognize drives larger than 528 MB.
9. Have your EZ-Drive disk, DOS system disk or Windows 95 or 98 Startup disk, and a pen and paper.
10. Know the results, including error codes (if any) from using the WDDIAG utility.
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To overcome the last two limitations, you can use EZ-Drive to install your new hard drive, upgrade your system BIOS, or install an EIDE controller card with onboard BIOS that supports the full capacity of your hard drive. The following table lists the USA phone numbers for common system BIOS sources.
BIOS Source USA Phone Number Internet Address
Micro Fi rmware (Phoenix BIOS only )
Phoenix 800-76 7-5465 www.phoenix.com Unicore
(Award and AMI BIOS)
405-321-8333 www.firmwa re.com
978-686-6468 www.unicore.com
For more information, see Operating System and System BIOS Limitations on page 9.
Also, if you installed EZ-Drive and then incorrectly boote d to your operating sys tem installation disk, you may have accidentally used your operating system to overwrite your EZ-Drive partitions. You need to repartition and format with EZ-Drive and install the operating system as described in the Installing an Operating System
from Floppy Disk with EZ-BIOS Installed section on page 6. Q5: I get the me ssa ge “ HD D Con t ro ller Failure” aft er insta lli n g my
Western Digit al hard d rive. A: This may appear when you first boot the system after installing the
hard drive. Press F1 to continue. If the message continues to display, retrace the steps outlined for CMOS setup, cabling, and j ump er configuration. Make sure to follow the instructions correctl y. Then follow the instructions outlined in the section Inst a lli n g an Ope rati ng
System from Floppy Disk with EZ-BIOS Installe d. Q6: Why is the capacity of my new hard drive less than it should be?
A: This may be due to varying definitions of a megabyte. Hard drive
suppliers define a decimal megabyte as 1,000,000 bytes (10 Alternatively, a binary megabyte is defined as 1,048,576 (2
6
).
20
). This is why some utilities show 3815.4 MB, while others show 4000.7 MB for the same drive. See the following table:
Drive Western
Digital (MB)
2.5 GB 2,559 2,441 2,559,836,160 2.38
3.2 GB 3,249 3,098 3,249,340,416 3.02
4.0 GB 4,000 3,815 4,000,776,192 3.72
4.3 GB 4,304 4,112 4,311,982,080 4.01
5.1 GB 5,163 4,924 5,163,540,480 4.80
6.4 GB 6,448 6,149 6,448,619,520 6.00
8.4 GB 8,455 8,063 8,455,200,768 7.87
10.1 GB 10,141 9,671 10,141,286,400 9.44
13.0 GB 13,020 12,417 13,020,069,888 12.12
Western Digital reports decimal megabytes (1,000,000 bytes). CMOS reports binary megabytes (1,048,576 bytes). CHKDSK reports decimal megabytes (1,000,000 bytes).
CMOS and Fdisk (MB)
CHKDSK
(Bytes)
Windows
95/98 (GB)
Q7: Must I do anything to my original hard drive when adding my new Western Digit al hard d rive?
A: Yes, one hard drive must be designated as a master and the other as
a slave on the same IDE interface cable. We recommend designating your new hard drive as the master. For non-Western Digital hard drives, consult your or iginal hard drive doc um entation for master/ slave jumper positions.
Q8: What should I check if my system does not start after I turn on the power?
A: Ensure that:
The EIDE controller card, if installed, is properly seated and con-
nected.
The connections at both ends of the IDE interface cable are secure
and co rr ec t ly o r ie n t ed .
The system power cables are secure.
The jumper selections on your hard drive(s) are correctly set for
your installation.
If you have a 2.5 GB or larger hard drive, you may encoun ter a n
operating system or system BIOS limitation. See the Operating System and System BIOS Limitations section.
Q9: I cannot boot from my newly installed har d dr ive or access the hard drive after I used Fdisk and Format to set up my drive.
A: We recommend using EZ-Drive software when installing 8.4 GB
and larger hard drives. See Question 2. If you used Fdisk and Format on a smaller capacity hard drive, check the system to ensure that:
You correctly partitioned (via the Fdisk utility) and formatted (via
the Format utility) the new hard drive.
Y ou made your primary drive bootable (formatted with/S option).
You marked your bootable partition active in Fdisk if yo u created
multiple partitions.
Q10: My drive does not spin up or it spins down after a few seconds. A: Ensure that:
Your power connector is securely fastened and working properly.
The orientation of pin socket 1 on the 40-pin IDE interface cable
matches pin 1 on the connector.
Q11: I have a 2.5 GB or larger drive with Windows 3.1 or early version of Windows 95 installed. Can I cr eate just one partition?
A: No. DOS and early vers ions of Windows 95 have a 2.1 GB
partition limitation. You must use at least two partitions to access the full capacity of your drive. See Question 14.
Q12: I transfe r red files from my old drive to m y new larger drive, and the same files seem to take up much more space. Why?
A: Har d drives divide partitions into units called clusters. In general,
larger hard drives use larger cluster sizes. To reduce your cluster size, you must reduce the partition size. See Question 14.
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Q13: How can I get 32-bit disk access in Windows 3.1x? A: Run the SETUP.EXE program located on your EZ-Drive disk to
install the 32-bit disk access driver. See Enabling 32-bit Disk Access in Windows 3.1x.
Q16: Can I install Windows NT 3.51 or 4.0 or OS/2 Warp 3.0 or 4.0 on my drive tha t o riginally wa s installed with EZ-Drive?
A: Yes, but you must disable floppy boot protection before installing
these operating systems. See Floppy Boot Protection on page 7.
Q14: Should I crea te more than one partition on my har d drive? A: The following applies to hard drive capacities of 2.5 GB or larger.
If you are using DOS, W indo ws 3.1x, Windo ws 95 v4.00 9.50a , or
any operating system that uses the FAT16 file system, you must cre­ate at least two partitions.
If you are using Windows 95 v4.00 9.50b, Windows 98, or Win-
dows NT that uses the FAT32 file system, you are not required to have more than one partition.
FAT16 vs FAT32: FAT16 has always been used by DOS and has a maximum partition limit of 2.1 GB. FAT32 partitions utilize disk space more efficiently and the partitions may be greater than 2.1 GB.
The default FAT16 cluster sizes are:
FdiskPartition Size* EZ-Drive
Partition Size**
0 - 127 MB 0 - 133 MB 2 KB 128 255 MB 133 - 267 MB 4 KB 256 - 511 MB 268 - 537 MB 8 KB 512 - 1023 MB 538 - 107 3 MB 16 KB 1024 - 204 7 M B 1074 - 2113 MB 32 KB * Fdisk reports binary megabytes (1,048,57 6 bytes).
** EZ-Dr ive reports decimal megabytes (1,0 00,000 bytes).
ClusterSize
Q17: What should I do if my anti-virus program detects a virus in the Master Boot Record (MBR) when EZ-BIOS is supporting my large hard drive?
A: Your anti-virus program has mistakenly identified EZ-BIOS as a
virus. Do not allow the anti-virus program to remove or clean the virus in the MBR. If your anti-virus program prompts you with the opti o n to Ignore, Fix or Innoculate, you must select Innoculate .. Do not select the Fix or Ignore options; they will remove the EZ-Drive boot code from the hard drive and render it inaccessible.
Q18: Do I need to use the Cable Select (CSEL) jumper op tion? A: No, this jumper option is only used as an alternative by some
system manufacturers to designate a drive(s) as master or slave. This jumper option requires a special cable and hardware support in the host system. The IDE interface cable in your hard drive package does not support CSEL. Using the CSEL jumper option does not affect hard drive performance or functionality.
Q19: When I create cus t o m partitions us ing EZ-Drive or Fdisk, my primary partition is sl ightly smaller than the size I entered.
A: Partit io ns must begin on a cylinder boundary. To start a partition
on a cylinder boundary, utilities such as EZ-Drive and Fdisk create a primary partition that may be a few megabytes smaller than the size you entered. Both EZ-Drive and Fdisk add these megabytes to your second partition. You do not lose any megabytes.
Determining FAT System Support
Windows 95 and 98 (OSR2) supports FAT32. To find out which FAT system your version of Windows 95 or 98
supports:
1. From the Start menu, select Settings, then Control Panel.
2. Double-click on the System icon.
3. Click on the General tab.
4. Check the number code under the System section:
4.00.950a = FAT16 only
4.00.950b = FAT32 and FAT16
4.10.1998 = FAT32 and FAT16
CAUTION. Reparti tioning an existing driv e destroys all the data. Be sure to creat e a backu p befo re repartitioning an existing drive.
Q15: My existing drive was installed using Ontr ack Disk Manager. Can I use EZ-Drive to install my new hard drive?
A: Yes. See Converting Ontra c k Dis k Manager Partitions to EZ-Driv e Partitions on page 5.
Q20: I installed my new hard drive, used the alternate jumper settings, and installed EZ-Drive, but Wind ows NT 3.51 or 4.0 does not properly recognize my hard drive. How can I access my new hard drive with Windows NT 3.51 or 4.0?
A: Our hard drives installed using the alternate jumper settings and
EZ-Drive are incompatible with Windows NT 3.51 and 4.0. You need to follow the steps outlined below so Windows NT 3.51 or 4.0 can recognize your new hard drive.
1. Turn off the system power.
2. Disconnect the IDE interface cable from the system.
3. Remove the jumpers from the alternate jumper positions.
4. Use the standard jumper settings on page 2.
5. Enter CMOS setup. Refer to your system manual for instructions.
6. Select the Hard Disk Type option for your new Western Digital hard drive. Select a user defined drive type and enter 1023 cylinders, 16 heads, and 63 sectors. If yo ur syst em does not ha ve a user defined drive type, select Type 9.
7. Note: If none of these o ptions are available, upgr ade your system BIOS to support the full capacity of your new hard drive.
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8. Reconnect your IDE interface cable to the system.
9. Use EZ-Drive to set up your new hard drive. IMPORTANT. Windows NT 3.51 and 4.0 DO NOT support the
EZ-Drive floppy b oot prot e ction scheme. If us ing one of these operating systems, you must disable floppy boot protection. See the
EZ-Drive Advanced Options section on page7. Q21: What is the warranty peri od for my Western Digital hard drive?
A: Every Western Digital hard drive covered in this guide has a 3-year
warranty.
Before Using WDDIAG
WDDIAG does not overwrite data on the hard drive during the scan, and if used pro p erly will not result in da ta lo s s. A lw ay s ba c k u p you r data before running any diagnostic utility.
CAUTION. You will erase all data if the W rite Zeros to Drive option is invoked.
Copy wddiag.exe and wddiag.txt from the EZ-Drive diskette to a bootable floppy disk. See page 1 for instructions on creating a bootable diske t t e.
Q22: I have read the entire Frequently Asked Questions section and I am still having problems.
A: If none of the solutions presented in this section solves your
problem, consi der thes e op tions:
1. Read the README.TXT text file on the EZ-Drive disk for additional troubleshooting information.
2. Check the Western Digital online services for a more comprehensive list of frequently asked questions. See the inside front cover of this guide for the internet addresses.
3. C o ntact your resel ler/re t a i l er.
4. Have the EZ-Drive disk av ailable and contact We ste r n Digital technical support. See Question 1.

Telephone Support: Other Drive Manufacturers

When installing your new Western Digital hard drive with a non­W ester n Dig ital hard driv e, y ou may have to conta ct th e manufactu rer for master/slave jumper configuration information.
Drive Manufacturer USA Phone Number Internet Addres s
Fujitsu 800-59 1-5924 www.fujitsu.com IBM 800-IBM 4YOU www.ibm.com Maxtor 800-26 2-9867 www.maxtor.c om Quantu m 800-82 6-8022 www.q uantum. com Seagat e/Conner 800-732- 4283 www.seagate.co m

WDDIAG Utility

Included on the EZ-Drive installation diskette is a software program called WDDIAG. Designed especially for Western Digital hard drives, this program can d iagnose and fi x most common hard d r ive problems.
If you do not h ave th e EZ-Dri ve diskette , y ou can dow nload these fi les from our Western Digital web site at www.westerndigital.com. Cl ick on Service and Support, then Software Library, then Drives.
Usin g W DDIAG
1. Insert the bootable disk containing wddiag.exe into drive A.
2. R eb o ot th e system. Note for Windows 95 or 98 users: To reboot a Windows 95 or 98
system, select Shut Down from the Start Menu. Then select Resta rt the compute r. Do not run WDDIAG while Windows 95 or 98 is active.
3. From the A: prompt, type wddiag. The WDDIAG ma in menu displays.
4. From the WDDIAG main menu, choose Select Drive and View Status to display a list of all drives installed and the current status of each drive. Test each drive separately.
5. Use the and press
UP/DOWN ARROW
ENTER
to return to the main menu. The Hard Drive
keys to highlight the desired drive
Recognition wi ndow displays inf ormation about the selected drive.
If the Hard Drive Recognition window displays the correct infor­mation, continue with step 6.
If the Hard Dr ive Recogni t io n wi n do w di sp la ys incorre ct information, WDDIAG is not communicating with the hard drive. Check your BIOS setup, all cables connected to the hard drive, and the jumper settings on the hard drive.
6. From the WDDIAG main menu, select Tes t Drive. Th e Verify Drive Test window displays.
7. Press R to test the drive. The Test Drive option takes several minutes to complete (possibly
as long as 15 m inutes) . When th e test is co mplet e, the Verify Drive window displ a ys.
When to use WDDIAG
If the hard drive reports errors.
If you are unable to access files on the hard drive.
If another diagnostic utility such as SCANDISK, CHKDISK, or
DEFRAG reports errors on the hard drive.
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WDDIAG reports the status of the hard drive. Here is a list of status messages and descriptions:
Status Message Description
No Errors Detected For This Drive
Non-WD Dri ve Detected WDDIAG cannot return a non- Western Digital
Contac t W D Tech Support The hard drive is damaged and cann ot be
Restore the Hard Drive to a Defect-Free Status
The hard drive is defect free. The problem is related to the BIOS, corrupt operating system files, or a viru s
hard dri ve to defect-f ree status. Conta ct your hard dr ive manufacturer.
restored to a defect-free status, and it should be replaced. Write down the Final Code number and message. Call Western Digital Technical Support.
The hard drive has errors. Use the Repair Drive option to at te m pt to rep a ir th e hard drive . Da ta on the har d drive is only lost wh en tracks are relocated, not when sectors are relocated. A warning message displays whenever this occurs. Relocate tracks only after you have backed up the data on the hard drive. Af ter complet ing the Repair Drive option, WDDIAG scans t he drive to verify the hard drive's defect-free status.
After viewing the status message, press any key to return to the WDDIAG main menu.
8. To close WDDI AG, select Quit from the ma i n menu. A message displays prompting you to reset the system to reintialize the BIOS and hard drive(s).
9. Remove the floppy disk from the hard drive and reboot the system.

TECHNICAL SUPPOR T SERVICES

Online Services

Online services include general product and contact information, installation guides, downloadable driver s, and frequently asked questions.
Internet: www.westerndigital.com FTP Site: ftp.wdc.com

Bulletin Board Service (B B S ) (24 Hour)

North America only: 949-753-1234 Germany: +49-89-922006-60 U.K.: +44-1372-360387
You may access the T echnical Support Bulletin Board if you have a Hayes-compatible modem with a 2,400 to 28,800 baud rate. The required format is: 8 data bits, 1 stop bit, no parity.

Docufax (24 Hour)

North America only: 949-932-4300 Europe: +31-20-4467650
Use the automated FAX system to have product information sent directly to your FAX machine.

Phone Assistan ce

North America only: 949-932-4900 or 800-832-4778 Outside North America: 949-932-5000 Europe: +31-20-4467651
If you need additional information or help durin g installa tion or normal use of our products, contact Western Digital Technical Support. Our customer support staff will answer your installation questions by phone. When calling for support, please have your Western Digital hard drive serial number and system hardware versions available.

Related Documents

To obtain Western Digital information sheets on related topics, visit our website at www.we sterndigital.co m or call Western Digital at 949­932-5000.
Western Digital 8105 Irvine Center Drive Irvine, California 92618
Western Digital and Caviar are registered trademarks and WD Caviar, CacheFlow, FIT Lab, and The World's Most Recommended Hard Drive ar e tradem arks of Western Digital Corporation. Other marks that belong to other companies may be mentioned herein. Product specifications subject to change without notice. © 1998 Western Digital Corporation. All rights reserved.
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