Troubleshooting Procedures
5-9
Try running PC-Doctor (Paragraph 5.5) if possible to verify the source of problem.
Table 5-3 Self Test Beep Messages
Beep Code
Port 80h
Description
None
01h
CPU Register Test in Progress
1-1-3 02h
CMOS
Write/Read
Failure
1-1-4
03h
ROM BIOS Checksum Failure
1-2-1
04h
Programmable Interval Timer Failure
1-2-2
05h
DMA Initialization Failure
1-2-3
06h
DMA Page Register Write/Read Failure
1-3-1
08h
DRAM Refresh Verification Failure
None
09h
1ST 64K RAM Test in Progress
1-3-3
0Ah
1ST 64K RAM Chip or Data line Failure
1-3-4
0Bh
1ST 64K RAM Odd/Even Logic Failure
1-4-1
0Ch
Address Line Failure, 1ST 64K RAM
1-4-2
0Dh
Parity Failure, 1ST 64K RAM
2-1-1
10h
Bit 0, 1ST 64K RAM Failure
2-1-2
11h
Bit 1, 1ST 64K RAM Failure
2-1-3
12h
Bit 2, 1ST 64K RAM Failure
2-1-4
13h
Bit 3, 1ST 64K RAM Failure
2-2-1
14h
Bit 4, 1ST 64K RAM Failure
2-2-2
15h
Bit 5, 1ST 64K RAM Failure
2-2-3
16h
Bit 6, 1ST 64K RAM Failure
2-2-4
17h
Bit 7, 1ST 64K RAM Failure
2-3-1
18h
Bit 8, 1ST 64K RAM Failure
2-3-2
19h
Bit 9, 1ST 64K RAM Failure
2-3-3
1Ah
Bit A, 1ST 64K RAM Failure
2-3-4
1Bh
Bit B, 1ST 64K RAM Failure
2-4-1
1Ch
Bit C, 1ST 64K RAM Failure
2-4-2
1Dh
Bit D, 1ST 64K RAM Failure
2-4-3
1Eh
Bit E, 1ST 64K RAM Failure
2-4-4
1Fh
Bit F, 1ST 64K RAM Failure
3-1-1
20h
Slave DMA Register Failure
Summary of Contents for Extensa 660 Series
Page 1: ...Maintenance Manual ExtensaTM 660 Series Notebook Computers 9813214 0001 Rev A February 1997 ...
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Page 124: ...A 2 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 1 of 23 ...
Page 125: ...Schematic Diagrams A 3 Figure A 2 Motherboard PWB Logic Diagrams Sheet 2 of 23 ...
Page 126: ...A 4 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 3 of 23 ...
Page 127: ...Schematic Diagrams A 5 Figure A 1 Motherboard PWB Logic Diagrams Sheet 4 of 23 ...
Page 128: ...A 6 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 5 of 23 ...
Page 129: ...Schematic Diagrams A 7 Figure A 1 Motherboard PWB Logic Diagrams Sheet 6 of 23 ...
Page 130: ...A 8 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 7 of 23 ...
Page 131: ...Schematic Diagrams A 9 Figure A 1 Motherboard PWB Logic Diagrams Sheet 8 of 23 ...
Page 132: ...A 10 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 9 of 23 ...
Page 133: ...Schematic Diagrams A 11 Figure A 1 Motherboard PWB Logic Diagrams Sheet 10 of 23 ...
Page 134: ...A 12 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 11 of 23 ...
Page 135: ...Schematic Diagrams A 13 Figure A 1 Motherboard PWB Logic Diagrams Sheet 12 of 23 ...
Page 136: ...A 14 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 13 of 23 ...
Page 137: ...Schematic Diagrams A 15 Figure A 1 Motherboard PWB Logic Diagrams Sheet 14 of 23 ...
Page 138: ...A 16 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 15 of 23 ...
Page 139: ...Schematic Diagrams A 17 Figure A 1 Motherboard PWB Logic Diagrams Sheet 16 of 23 ...
Page 140: ...A 18 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 17 of 23 ...
Page 141: ...Schematic Diagrams A 19 Figure A 1 Motherboard PWB Logic Diagrams Sheet 18 of 23 ...
Page 142: ...A 20 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 19 of 23 ...
Page 143: ...Schematic Diagrams A 21 Figure A 1 Motherboard PWB Logic Diagrams Sheet 20 of 23 ...
Page 144: ...A 22 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 21 of 23 ...
Page 145: ...Schematic Diagrams A 23 Figure A 1 Motherboard PWB Logic Diagrams Sheet 22 of 23 ...
Page 146: ...A 24 Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 23 of 23 ...
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