IBM 28L2234 manual Changing the OS/2 device driver filter

If

you

are using

DOS

4.0,

be

sure

you

haveDOS 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