| 1-1-3 1-1-4
1-2-1
1-2-2
1-2-3
|
NVRAM write/read BIOS
checksum
Programmable interval timer
DMA initialization
DMA page register read/write
|
Perform visual inspection.
if problem persists, see "Troubleshooting the System
Board" in Chapter 3 of the Service Manual. |
| 1-3-1 1-3-3
1-3-4
1-4-1
1-4-2
2-1-1 to 2-4-4
|
Main memory refresh
verification Chip or data line in first 64 K of main
memory
Odd/even logic failure in first 64 K of main memory
Address line, first 64 K of main memory
Parity, first 64 K of main memory
Bit failure, first 64 K of main memory
|
Perform visual inspection.
If problem persists, see "Troubleshooting
Memory" in Chapter 3 of the Service Manual. |