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Appendix F: Diagnostic Code Checkpoints
170
Check
point
Diagnostic LED Decoder
Description
G=Green, R=Red, A+Amber
MSB
LSB
D7
R
A
G
A
Restore CPUID value back
into register. The
Bootblock-Runtime
interface module is moved
to system memory and
control is given to it.
D8
A
R
OFF
R
The Runtime module is
uncompressed into
memory. CPUID
information is stored in
memory.
D9
A
R
OFF
A
Store the Uncompressed
pointer for future use in
PMM. Copying Main BIOS
into memory. Leaves all
RAM below 1MB Read-
Write including E000 and
F000 shadow areas but
closing SMRAM.
DA
A
R
G
R
Restore CPUID value back
into register. Give control
to BIOS POST (Execute
POST Kernel). See POST
Code Checkpoints section
of document for more
information.
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Summary of Contents for Altos G520 series
Page 1: ...Acer Altos G520 series User s guide ...
Page 11: ...1 System tour ...
Page 29: ...19 2 SATA cable connector 3 HDD backplane power connector 10pin Label Description ...
Page 30: ...1 System tour 20 ...
Page 31: ...2 System setup ...
Page 44: ...2 System setup 34 ...
Page 45: ...3 Upgrading the system ...
Page 79: ...4 BIOS setup ...
Page 131: ...Appendix A Troubleshooting ...
Page 145: ...Appendix B ASM Quick Installation Guide ...
Page 146: ...This appendix shows you how to install the ASM software package ...
Page 149: ...Appendix C Altos G520 Rack Installation Guide ...
Page 150: ...This appendix shows you how to install the optional rack mount kit for Acer Altos G520 ...
Page 157: ...Appendix D SATA RAID Configuration ...
Page 158: ...This appendix shows you how to create SATA RAID ...
Page 162: ...Appendix D SATA RAID Configuration 152 ...
Page 163: ...Appendix E RAID Configuration ...
Page 164: ...This appendix shows you how to create RAID ...
Page 169: ...Appendix F Diagnostic Code Checkpoints ...