HP Portable 386 Compaq Portable 386 Personal Computer Maintenance and Service - Page 163

Setting Up the Fixed Disk Drive Expansion Unit, The EXTDISK.SYS Device Driver

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Chapter 10.3 Setting Up the Fixed Disk Drive Expansion Unit The EXTDISK.SYS Device Driver If you are running the fixed disk drive expansion unit at the secondary address, you must install the EXTDISK.SYS device driver in the CONFIG.SYS file. However, if you are running the fixed disk drive expansion unit at the primary address, you do not need to use the EXTDISK.SYS device driver. NOTE: The EXTDISK.SYS device driver is for use only with MS-DOS Version 3.31 or later. After you run SETUP, insert the EXTDISK diskette into drive A and copy the EXTDISK.SYS file to the directory that contains the MS-DOS files. You must then modify the CONFIG.SYS file to install the device driver. After modifying the CONFIG.SYS file, restart the computer to load the EXTDISK.SYS device driver in memory. The FDISK Utility You must install the EXTDISK.SYS device driver in the CONFIG.SYS file before you can use FDISK with the fixed disk drive expansion unit. For information about FDISK, refer to the MS-DOS Reference Guide. NOTE: Each time you use the FDISK utility with your fixed disk drive expansion unit, you must insert the EXTDISK diskette in drive A and restart the computer. Then use the version of FDISK contained on that diskette. Use the FDISK utility to partition each fixed disk drive that is used with the fixed disk drive expansion unit. Each fixed disk drive can have up to four partitions. Any fixed disk drive included with the fixed disk drive expansion unit must be partitioned before you can use it.

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Chapter 10.3 Setting Up the Fixed Disk Drive Expansion Unit
The EXTDISK.SYS Device Driver
If you are running the fixed disk drive expansion unit at the secondary
address, you must install the EXTDISK.SYS device driver in the CONFIG.SYS
file. However, if you are running the fixed disk drive expansion unit at the
primary address, you do not need to use the EXTDISK.SYS device driver.
NOTE: The EXTDISK.SYS device driver is for use only with MS-DOS Version 3.31
or later.
After you run SETUP, insert the EXTDISK diskette into drive A and copy the
EXTDISK.SYS file to the directory that contains the MS-DOS files.
You must then modify the CONFIG.SYS file to install the device driver. After
modifying the CONFIG.SYS file, restart the computer to load the EXTDISK.SYS
device driver in memory.
The FDISK Utility
You must install the EXTDISK.SYS device driver in the CONFIG.SYS file before
you can use FDISK with the fixed disk drive expansion unit. For information
about FDISK, refer to the MS-DOS Reference Guide.
NOTE: Each time you use the FDISK utility with your fixed disk drive
expansion unit, you must insert the EXTDISK diskette in drive A and restart
the computer. Then use the version of FDISK contained on that diskette.
Use the FDISK utility to partition each fixed disk drive that is used with the
fixed disk drive expansion unit. Each fixed disk drive can have up to four
partitions. Any fixed disk drive included with the fixed disk drive expansion
unit must be partitioned before you can use it.