Data Technology 5150X Installation Manual - Page 3

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2.1

Con't

4.0 Con't

A reserved jumper (W2 pins 7·8)

for internal

a. Place a copy of IBM DOS 2.0 or later into

use only and must be installed for the controller

floppy drive

and apply power to the system

to operate properly.

in the normal sequence.

W>2:

3·4

5·6

BIOS ADDRESS

b. After booting DOS successfully from the

C800:0000

floppy drive, execute the following command

OFF

CAOO:OOOO

upon receiving the "A>" prompt:

OFF

0800:0000

OFF

F400:0000

debug

]

2.2 Software Readable Jumper (W3)

(If your DOS came on two diskettes, the DEBUG

This jumper is used to manually set the

Winchester drive type. The factory settmg

for W3 to be installed for ST225 drive types.

By removing W3, a screen menu for drive

definition (Sea Section 4.1) will be selected.

2.3 AT LED Connector (15)

If the controller is used in AT·type systems,

this connector is provided for the proper

operation of the drive activity LED indicator.

3.0 Cable Requirements

a. The following ribbon cables are required for

these configurations.

1. One internal drive:

One 20·conductor cable

One 34·conductor cable

2. Two internal drives:

Two 20·conductor cables

One 34·conductor twisted or flat daisy'

chain cable

b. This 34 pin cable connects to )1

on the

5150X, (Note: When using a twisted cable,

both drives must be set to drive select 2.)

c. The 20 pin cable connects to )2 andlor )3.

The drive logical unit number is determined

by a setting on the disk drive, not by the

choice of cable connector )2 or )3

(See Figure

for location of cable connectors)

4.0 Formatting The Disk

:rak"nirg! The Data Technology Corporation hard

ormatting utility will erase all data on

the hard disk!

should only be run once, the

first time you install your hard disk.

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program may be on the second diskette). Debug

will respnd with a

,<...',

prompt.

C. Respond to the "-" prompt with the command:

g=c800:5

d. This will initiate the hard disk format

utility and the following message will

appear:

Format Utility

Drive no (1-2): (Enter the drive number

that you want to format.)

Interleave (2·9): (Enter the interleave

factor desired. For

optimal system performance

an interleave of 3 is

recommended).

e. With jumper W3 installed, the follOWing

information is displayed:

Cyl: 615

Heads: 4

Precomp: 256

Reduced write current: 615

Step rate: 10 micro sec

Enter drive defect table? (V

IN)

Is above all correct? (V

IN)

Ready to ERASE entire disk? (V

IN)

If jumper W3 is not installed, a drive table

(See Section 5.1) will appear on the screen.

After you have selected the correct drive

type by the table number, the system will

display the drive configuration that has been

selected. Answer the following questions

that will appear below the drive

configuration.

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