AT&T PC 6300 - Page 435

MAINTENANCE
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13. Using the recorded error message and the table shown in
Figure 5-12, determine the module that generated the failure
and replace that module.
ERROR NO.
PROBABLE CAUSE
MODULE
101
Faulty 8086-2 CPU
Motherboard
102
ROM Checksum Error
Motherboard
103
Data Path to LSI Chip Bad
Motherboard
104
Calendar Chip Failed
Motherboard
(See Note 1.)
105
8259 Interrupt Controller
Failed
Motherboard
106
6845 Display Controller
Failed
Display
Controller
107
8237 DMA Controller Failed
Motherboard
108
765 MFD Controller Failed
Motherboard
109
8253 Timer Failed
Motherboard
110 8250 see Chip Failed
Motherboard
111 8530 SCO Chip Failed
Motherboard
See note at the end of table.
Figure 5-12. Motherboard Troubleshooting Chart
(Sheet 1 of 2)
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