Alpha Microsystems AM-212-20 Інструкція з монтажу Посібник з монтажу - Сторінка 10

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Page 6

Modifying the System Initialization Command File

In order to use your diskette drive, you must define it in the system initialization file. First use the

command to make a copy of your current system initialization command file, calling it

example:

LOG SYS:

COPY TEST.INI=AMOS32.INI

Then edit TEST.INI using the AlphaVUE text editor, making the modifications discussed in the

following sections.

WARNING! NEVER modify the system initialization command file directly. Always make a

copy and modify the copy. If you modify your

make a mistake, your computer may not boot! If you make a copy, you can test your changes

using the

MONTST

AMOSL.INI

The following sections describe the steps required to define a diskette drive in your system initialization

command file.

Modifying the Device Table

The first thing you need to do in your

initialization file,

DEVTBL

in bold below define 3.5" diskette drive formats.

DEVTBL DSK

DEVTBL FLH0

DEVTBL FLD0

Adding a BITMAP statement

The next step is to add a

BITMAP DSK

BITMAP FLH,179,0

BITMAP FLD /P:89

This is only an example. Make sure the

and bitmap sizes for your diskette formats.

The following gives the correct bitmap sizes for the supported diskette formats:

Installation Instructions: AM-212-20 3-1/2" Floppy Diskette Drive

command, as described below, then rename the test command file to

AMOS32.INI

only when you know it works correctly.

TEST.INI

tells

AMOS

which devices to look for on the computer. The

;AM-SCSI format high density diskette

;AM-SCSI format double density diskette

BITMAP

statement for the diskette drive.

;bitmap for high density AM-SCSI

;paged bitmap for double density AM-SCSI

BITMAP

AMOSL.INI

AMOS32.INI

file is add a new

DEVTBL

statements you add use the correct device names

COPY

TEST.INI

. For

file directly and

statement. In the system

DEVTBL

lines

PDI-00212-20, Rev. A01