IBM 28L2234 manual README.TXT file on the IBM 2X/4X/24X CD-ReWritable Drive, 3-23

You cannot access the CD-ReWritable drive or the CD-ROM icon does not display (OS/2).

Your	CD-ReWritable		drive	device		driver	might	not	be	loaded or
cannot	be	found.	Before	checking		the CONFIG.SYS			and
AUTOEXEC.BAT		file,	make	a	backup	copy	of	CONFIG.SYS		and
AUTOEXEC.BAT		in a	preferred		directory.

1. At the DOS prompt:

C:\OS2\BOOT\OS2CDROM.DMD

C:\OS2\BOOT\CDFS.IFS

If the device drivers are not present, reinstall them. See the

README.TXT file on the IBM 2X/4X/24X CD-ReWritable Drive

Option Diskette for more information.

You cannot access the CD-ReWritable drive (DOS and Windows 3.x) or the CD-ROM icon (Windows 3.x) does not display.

a.

Type

x:copy CONFIG.SYS CONFIG.IBM where x is the

Your

CD-ReWritable

drive

device driver

might

not be loaded

or

directory

drive

letter

and

press

Enter.

cannot

be found. Before checking the CONFIG.SYS and

AUTOEXEC.BAT

files,

make

a

backup

copy

of

these

files

in

a

b.

Type x:copy AUTOEXEC.BAT AUTOEXEC.IBM where x is thepreferred directory.

directory

drive

letter

and

press

Enter.

1.

At

the

DOS

prompt:

2. From the OS/2 prompt

open

a

text

editor

such

as

EPM or

E.

The

a.

Type

x:copy CONFIG.SYS CONFIG.IBM where x is the

following

instructions

use

the

EPM

editor. Type

EPM

CONFIG.SYS

and

press

Enter.

directory

drive

letter

and

press

Enter.

3.

Check

for

the

following

device

driver

lines.

b.

Type x:copy AUTOEXEC.BAT AUTOEXEC.IBM where x is the

DEVICE=C:\OS2\BOOT\OS2CDROM.DMD /Q

directory

drive

letter

and

press

Enter.

IFS=C:\OS2\BOOT\CDFS.IFS /Q

2.

Use

a text

editor

such

as

E

or

Edit.

At

the DOS prompt,E type

DEVICE=C:\OS2\MDOS\VCDROM.SYS

(or

your

editor

name)

CONFIG.SYS

and

press

Enter.

BASEDEV=IBMIDECD.FLT

3.

Insert

the

following line

at

the

top of

the

CONFIG.SYS file to

If these

lines

are

not

present,

add

them.

allow for more than five drive letters, if needed.

4.

Save

any

changes and

exit

the

CONFIG.SYS

file.

lastdrive=z

5.

Check

that

the

device

drivers

are

on

the

hard

disk

drive

and

in 4.

Check

for

the

following

device

driver

line.

the

correct

directory,

as

shown.

DEVICEHIGH=C:\IBMIDECD.SYS /D:IBMCD1

Part 3: Appendixes 3-23