Compaq Portable 286 Compaq Portable Computer, Compaq Plus Personal Computer, a - Page 26

Video Display Unit VDU, 286 based COMPAQ Personal

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402 - 11 402 - 12 402 - 13 402 - 14 402 - 15 Printer interrupt data, and controller register failed Printer interrupt and loopback failed Printer interrupt, loopback, and data register failed Printer interrupt, loopback, and controller register failed Printer interrupt, loopback, data, and controller register failed 1. If a printer is connected, be sure it is turned ON and in the online mode. 2. Check switch 2 on the diskette/tape controller board (see Chapter 8). * 3. Replace the printer and/or the printer controller cable. 4. Replace the diskette/tape controller board. * 5. Replace the system board. * 286 based COMPAQ Personal Computers only 402 - 16 Printer unexpected interrupt received 403 - 01 Printer pattern test failed Error Error Required Code Description Action Video Display Unit (VDU) 5yy - xx 501 - 01 VDU controller test failed The following steps apply to error codes 501 - 01 through 512 - 01: 502 - 01 VDU memory test failed 1. Replace the VDU controller 503 - 01 VDU attribute test failed board. 2. Replace the VDU signal cable. 504 - 01 VDU character set test 3. Replace VDU subassembly. failed 4. Replace the system board. 505 - 01 VDU 9 x 14 character cell test 506 - 01 VDU 80 x 25 mode 8 x 8 character cell test failed 507 - 01 VDU 40 x 25 mode test failed 508 - 01 VDU 320 x 200 mode color set 0 test failed 509 - 01 VDU 320 x 200 mode color set 1 test failed 510 - 01 VDU 640 x 200 mode test failed 511 - 01 VDU screen memory page test failed 512 - 01 VDU gray scale test failed

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402 - 11
Printer interrupt data, and
1. If a printer is connected, be
controller register failed
sure it is turned ON and in
the online mode.
402 - 12
Printer interrupt and
2. Check switch 2 on the
loopback failed
diskette/tape controller board
(see Chapter 8). *
402 - 13
Printer interrupt, loopback, 3. Replace the printer and/or the
and data register failed
printer controller cable.
4. Replace the diskette/tape
402 - 14
Printer interrupt, loopback,
controller board. *
and controller register
5. Replace the system board.
failed
* 286 based COMPAQ Personal
402 - 15
Printer interrupt,
Computers only
loopback, data, and
controller register failed
402 - 16
Printer unexpected
interrupt received
403 - 01
Printer pattern test failed
------------------------------------------------------------------------------
Error
Error
Required
Code
Description
Action
------------------------------------------------------------------------------
Video Display Unit (VDU)
5yy - xx
------------------------------------------------------------------------------
501 - 01
VDU controller test failed
The following steps apply to error
codes 501 - 01 through 512 - 01:
502 - 01
VDU memory test failed
1. Replace the VDU controller
503 - 01
VDU attribute test failed
board.
2. Replace the VDU signal cable.
504 - 01
VDU character set test
3. Replace VDU subassembly.
failed
4. Replace the system board.
505 - 01
VDU 9 x 14 character cell
test
506 - 01
VDU 80 x 25 mode 8 x 8
character cell test
failed
507 - 01
VDU 40 x 25 mode test
failed
508 - 01
VDU 320 x 200 mode color
set 0 test failed
509 - 01
VDU 320 x 200 mode color
set 1 test failed
510 - 01
VDU 640 x 200 mode test
failed
511 - 01
VDU screen memory page test
failed
512 - 01
VDU gray scale test failed