5-6
Troubleshooting Procedures
Table 5-3
Self Test Beep Messages
Beep Code
Port 80h
Description
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
3-1-2
21h
Master DMA Register Failure
3-1-3
22h
Master Interrupt Mask Register Failure
3-1-4
23h
Slave Interrupt Mask Register Failure
None
25h
Interrupt Vector Loading In Progress
3-2-4
27h
Keyboard Controller Test Failure
None
28h
CMOS Power Failure and Checksum in Progress
None
29h
CMOS Configuration Validation in Progress
3-3-4
2Bh
Screen Memory Test Failure
3-4-1
2Ch
Screen Initialization Failure
3-4-2
2Dh
Screen Retrace Test Failure
None
2Eh
Search for Video ROM in progress
1-2
2Eh
Cirrus Video Chip Failure
1-3
2Eh
Cirrus RAM DAC or Video RAM Failure
None
30h
Screen Believed Operable; running with Video ROM
None
31h
Monochrome Monitor Believed Operable
None
32h
Color Monitor (40 Column) Believed Operable
None
33h
Color Monitor (80 Column) Believed Operable
4-2-1
34h
No Time Tick
4-2-2
35h
Shutdown Failure
4-2-3
36h
Gate A20 Failure
4-2-4
37h
Unexpected Interrupt in Protected Mode
4-3-1
38h
Memory High Address Line Failure at 010000h-0A0000h
4-3-3
3Ah
Timer Chip Counter 2 Failed
4-3-4
3Bh
Time of Day Clock Stopped
4-4-1
3Ch
Serial Port Failure
4-4-2
3Dh
Parallel Port Failure
4-4-3
3Eh
Math Coprocessor Failure
Summary of Contents for Extensa 670
Page 46: ...Service Guide 4 7 Figure 4 2 M1521 Pin Assignments ...
Page 51: ...4 12 Theory of Operation Figure 4 6 M6377 Chip Pinouts ...
Page 56: ...Service Guide 4 17 Figure 4 10 TI1130 Chip PCI to CardBus 32 bit Pinouts ...
Page 102: ...A 10 Maintenance Data Figure A 7 Main Board Logic Diagrams Sheet 1 of 36 ...
Page 103: ...Service Guide A 11 Figure A 8 Main Board Logic Diagrams Sheet 2 of 36 ...
Page 104: ...A 12 Maintenance Data Figure A 9 Main Board Logic Diagrams Sheet 3 of 36 ...
Page 105: ...Service Guide A 13 Figure A 10 Main Board Logic Diagrams Sheet 4 of 36 ...
Page 106: ...A 14 Maintenance Data Figure A 11 Main Board Logic Diagrams Sheet 5 of 36 ...
Page 107: ...Service Guide A 15 Figure A 12 Main Board Logic Diagrams Sheet 6 of 36 ...
Page 108: ...A 16 Maintenance Data Figure A 13 Main Board Logic Diagrams Sheet 7 of 36 ...
Page 109: ...Service Guide A 17 Figure A 14 Main Board Logic Diagrams Sheet 8 of 36 ...
Page 110: ...A 18 Maintenance Data Figure A 15 Main Board Logic Diagrams Sheet 9 of 36 ...
Page 111: ...Service Guide A 19 Figure A 16 Main Board Logic Diagrams Sheet 10 of 36 ...
Page 112: ...A 20 Maintenance Data Figure A 17 Main Board Logic Diagrams Sheet 11 of 36 ...
Page 113: ...Service Guide A 21 Figure A 18 Main Board Logic Diagrams Sheet 12 of 36 ...
Page 114: ...A 22 Maintenance Data Figure A 19 Main Board Logic Diagrams Sheet 13 of 36 ...
Page 115: ...Service Guide A 23 Figure A 20 Main Board Logic Diagrams Sheet 14 of 36 ...
Page 116: ...A 24 Maintenance Data Figure A 21 Main Board Logic Diagrams Sheet 15 of 36 ...
Page 117: ...Service Guide A 25 Figure A 22 Main Board Logic Diagrams Sheet 16 of 36 ...
Page 118: ...A 26 Maintenance Data Figure A 23 Main Board Logic Diagrams Sheet 17 of 36 ...
Page 119: ...Service Guide A 27 Figure A 24 Main Board Logic Diagrams Sheet 18 of 36 ...
Page 120: ...A 28 Maintenance Data Figure A 25 Main Board Logic Diagrams Sheet 19 of 36 ...
Page 121: ...Service Guide A 29 Figure A 26 Main Board Logic Diagrams Sheet 20 of 36 ...
Page 122: ...A 30 Maintenance Data Figure A 27 Main Board Logic Diagrams Sheet 21 of 36 ...
Page 123: ...Service Guide A 31 Figure A 28 Main Board Logic Diagrams Sheet 22 of 36 ...
Page 124: ...A 32 Maintenance Data Figure A 29 Main Board Logic Diagrams Sheet 23 of 36 ...
Page 125: ...Service Guide A 33 Figure A 30 Main Board Logic Diagrams Sheet 24 of 36 ...
Page 126: ...A 34 Maintenance Data Figure A 31 Main Board Logic Diagrams Sheet 25 of 36 ...
Page 127: ...Service Guide A 35 Figure A 32 Main Board Logic Diagrams Sheet 26 of 36 ...
Page 128: ...A 36 Maintenance Data Figure A 33 Main Board Logic Diagrams Sheet 27 of 36 ...
Page 129: ...Service Guide A 37 Figure A 34 Main Board Logic Diagrams Sheet 28 of 36 ...
Page 130: ...A 38 Maintenance Data Figure A 35 Main Board Logic Diagrams Sheet 29 of 36 ...
Page 131: ...Service Guide A 39 Figure A 36 Main Board Logic Diagrams Sheet 30 of 36 ...
Page 132: ...A 40 Maintenance Data Figure A 37 Main Board Logic Diagrams Sheet 31 of 36 ...
Page 133: ...Service Guide A 41 Figure A 38 Main Board Logic Diagrams Sheet 32 of 36 ...
Page 134: ...A 42 Maintenance Data Figure A 39 Main Board Logic Diagrams Sheet 33 of 36 ...
Page 135: ...Service Guide A 43 Figure A 40 Main Board Logic Diagrams Sheet 34 of 36 ...
Page 136: ...A 44 Maintenance Data Figure A 41 Main Board Logic Diagrams Sheet 35 of 36 ...
Page 137: ...Service Guide A 45 Figure A 42 Main Board Logic Diagrams Sheet 36 of 36 ...
