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port, attach one end of the cable to the IDE port, and the other end connector to
the device; leave the middle connector open.
You cannot access the CD-ROM drive (DOS and Windows 3.X) or the CD-ROM
icon (Windows 3.X) does not display.
Your CD-ROM device driver might not be loaded or cannot be found. Before
checking the CONFIG.SYS and AUTOEXEC.BAT files, make a backup copy of these
files in a convenient directory.
1. At the DOS prompt:
a. Type copy CONFIG.SYS CONFIG.IBM and press Enter.
b. Type copy AUTOEXEC.BAT AUTOEXEC.IBM and press Enter.
2. Use a text editor such as E or Edit. At the DOS prompt, type E (or your editor
name)CONFIG.SYS and press Enter.
3. Insert the following line at the top of the CONFIG.SYS file to allow for more
than five drive letters, if needed.
lastdrive=z
4. Check for the line that refers to the device driver.
DEVICEHIGH=C:\IBMIDECD.SYS /D:IBMCD1
If this line is not present, add it.
5. Save the CONFIG.SYS file and exit.
6. Type E (or your editor name) AUTOEXEC.BAT and press Enter.
7. Check for the line that refers to the device driver.
LH C:\MSCDEX /D:IBMCD1 /M:1
If this line is not present, add it.
8. If the Windows screen automatically displays when you start your computer,
check that the line
LH C:\MSCDEX /D:IBMCD1 /M:1
comes before the line that starts Windows (that line reads WIN). If not, move the
MSCDEX statement above this line in the file.
9. Save the AUTOEXEC.BAT file and exit.
10. Make sure that the device drivers are on the hard disk and in the correct
directory.
C:\IBMIDECD.SYS
C:\MSCDEX
If the drivers are not present, reinstall them. See the READ.ME file on the
40X-17X Internal IDE CD-ROM Drive Option Diskette for more information.
Part 3: Appendixes 3-9