AT&T PC 6300 - Page 512

MAINTENANCE
Error codes and explanations are shown in Figure 5-44.
ERROR MESSAGES FOR THE VIDEO OPTION BOARD (DEB)
ERROR
PROBABLE CAUSE
MODULE
2301
Plane 0 word memory error
DEB
2302
Plane 1 word memory error
DEB
2303
Plane 2 word memory error
DEB
2304 Plane 0 byte memory error
DEB
2305 Plane 1 byte memory error
DEB
2306
Plane 2 byte memory error
DEB
2307 Plane 0 memory/disk transfer test through
DMA operation error
DEB
2308 Plane 1 memory/disk transfer test through
DMA operation error
DEB
2309 Plane 2 memory/disk transfer test through
DMA operation error
DEB
2310
Transfer mode test failure
DEB
2320
Text/graphics error(640x400)
DEB
2330
Text/graphics error(640x300)
DEB
2340
Full graphics dispiay error (640x400, 4 planes)
DEB
2350 Partial LUT test error ("littlebit" test)
DEB
Figure 5-44. Video Option Board Troubleshooting Chart
5-134
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D
0
9
0
0
A
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Q
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