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Performing system diagnostics – Epson EQUITY 386SX/16 PLUS User Manual

Page 199

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System diagnostic

tests (continued)

Component Tests

Hard disk

Hard disk format

drives

Media analysis
Performance

Seek
Read/verify

Check test cylinder

Force bad tracks

Function

See “Hard Disk Diagnostics”

Floppy disk

Diskette format

See “Floppy Disk

drives

Drive speed

Diagnostics”

Random read/write
Sequential read/write
Disk change line

Keyboard

Video

Controller

Scan/ASCII code

Keyboard clock line

Keyboard data line

Adapter

Attribute

80 x 25 display

40 x 25 display*

320 x 200 graphics*

640 x 200 graphics*

Page selection*

Color*

Tests the keyboard controller

Tests the scan codes assigned

to the keys

Tests the keyboard clock line

Tests the keyboard data line

Tests the display adapter

memory

Tests the display adapter

attributes

Tests the 80 x 25 display

Tests the 40 x 25 display

Tests the 320 x 200 graphics
display

Tests the 640 x 200 graphics

display

Tests the paging function of
the adapter

Tests the background and

border color mapping

* Test appears only if you have installed a color monitor.

Performing System Diagnostics

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