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If you are using DOS 4.0, be sure you have DOS Corrective
Service Diskette level UR 29015 or later installed. (The
computer cannot be configured as an Extended Services
Domain Controller for the IBM PC LAN Program.)
Contact your IBM reseller for more information about the
PC LAN Program Corrective Service Diskette or the DOS
Corrective Service Diskette.
Changing the device driver for OS/2
You might need to customize the setup that the DDINSTAL file has
installed on your computer in order to meet your requirements. This
section provides information and describes parameters that you might
need to change or add for your installation.
OS/2 uses the OS2CDROM.DMD device driver
DEVICE=OS2CDROM.DMD [Options]
to control all CD-ROM devices. The following parameters are
available:
/V Instructs the computer to display the installation details.
/Q Suppresses messages during initialization.
Changing the OS/2 device driver filter
OS/2 uses the device driver filter IBMIDECD.FLT for ATAPI (IDE)
CD-ROM drives.
BASEDEV=IBMIDECD.FLT [Options]
The following parameter is available:
/V Instructs the computer to display installation details.
Changing the OS/2 installable file system driver
The file system device driver for OS/2 is CDFS.IFS. The following
parameters are available:
/C:n Indicates how many 64 KB RAM segments will be used for
the sector cache. The default is (/C:2) two 64 KB RAM
segments.
/M:n Indicates the maximum number of file sectors to be read at a
time. The default is eight sectors (/M:8).
/K Uses Kanji supplementary volume descriptor.
/Q Suppresses messages during initialization.
Changing the OS/2 IDE adapter device driver
The following IDE device driver is available:
BASEDEV=IBM1S5 6.ADD (for ISA computers)
This device driver controls IDE hard disk drives and IDE CD-ROM
drives. At the OS/2 command prompt, type help IBM1S5 6 to see the
optional parameters that are available for ISA computers.
Special parameters are required if your computer has an IDE controller
that does not use a standard interrupt. Check the /A and /IRQ
parameters in the OS/2 help utility.
3-18 IBM 2X/4X/24X CD-ReWritable Internal IDE Option Kit