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Epson LT-286 User Manual

Page 8

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Diskette Problems ............................................. B-5
Hard Disk Problems .......................................... B-6

C

Power-On Diagnostics ....................................... C-1

System Device Check

....................................... C-1

Clock and CMOS RAM Check

........................... C-2

RAM Check ................................................... C-2
Keyboard Controller and Keyboard Check ............... C-3

Video and Video Controller Check ........................ C-3

Diskette Drive Seek Check

................................. C-4

Hard Disk Controller and Hard Disk Check

............ C-4

D

Performing System Diagnostics ........................... D-1

Starting System Diagnostics ................................. D-1
Modifying the DEVICE LIST

.............................. D-2

Selecting a Test ................................................ D-4
Resuming From an Error

.................................... D-5

System Board Check .......................................... D-6

Memory Check ................................................ D-6

Keyboard Check

............................................. D-7

Monochrome Display Adapter and CRT Check ......... D-8

Monochrome Adapter Check ........................... D-9

Attribute Check .......................................... D-9
Character Set Check .................................... D-9

Video Check

............................................. D-10

Sync Check ................................................ D-10
Run All Above Checks ................................. D-10

Color Graphics Adapter and CRT

........................ D-11

Color Graphics Adapter Check ........................ D-11
Attribute Check .......................................... D-12
Character Set Check .................................... D-12

40-Column Character Set Check ..................... D-13
320x200 Graphics Mode Check ........................ D-13
640x200 Graphics Mode Check ........................ D-14
Screen Paging Pheck .................................... D-15
Color Video Check ....................................... D-16

Sync Check ................................................ D-16

Run All Above Checks ................................. D-17