AT&T PC 6300 - Page 430

MAINTENANCE
n.
ERROR MESSAGE
PROBABLE CAUSE
SUGGESTED ACTION
Interrupt Fail H6
Floppy Controller
Failure
Replace Motherboard
Interrupt Fail H7 Parallel Port
Failure
Replace Motherboard
RT Clock Fail
Clock/Calendar Chip
Failure
Replace Motherboard
RT Clock Fail: NR
8253 Interrupt
Failure
Replace Motherboard
RT Clock Fail: LO
8253 low-end
Failure
Replace Motherboard
RT Clock Fail: HI
8253 high-end
Failure
Replace Motherboard
XXX RAM Fail
RAM Failure
Perform System Test
Diagnostics
Memory Tests
Floppy (A:) Not Ready
See Note 1. See Note 1.
Fixed Disk Not Present
See Note 2. See Note 2.
See notes on the following page.
Figure 5-11. Resident Diagnostic Error Messages
(Sheet 2 of 2)
0
n
0
0
n
fi
5-52
n
n
n