Appendix D: BIOS POST Checkpoint Codes
186
09h
Set in-POST flag in CMOS that indicates we
are in POST. If this bit is not cleared by post-
ClearBootFlagJ (AEh), the BIOS on next boot
determines that the current configuration
caused POST to fail and uses default values
for configuration.
Clear the CMOS diagnostic byte (register E).
Check the real-time clock and verify the bat-
tery has not lost power. Checksum the
CMOS and verify it has not been corrupted.
0Ah
Initialize CPU registers.
0Bh
Enable CPU cache. Set bits in CMOS related
to cache.
0Ch
Set the initial POST values of the cache reg-
isters if not integrated into the chipset.
0Eh
Set the initial POST values of registers in the
integrated I/O chip.
0Fh
Enable the local bus IDE as primary or sec-
ondary depending on other drives detected.
10h
Initialize power management.
11h
General dispatcher for alternate register ini-
tialization.
Set initial POST values for other hardware
devices defined in the register tables.
12h
Restore the contents of the CPU control
word whenever the CPU is reset.
13h
Early reset of PCI devices required to disable
bus master. Assumes the presence of a stack
and running from decompressed shadow
memory.
Checkpoint
Code
Beep Code
Description
Summary of Contents for Altos R710
Page 1: ...Acer Altos R710 User s Guide ...
Page 12: ......
Page 13: ...1 System information ...
Page 21: ...2 System tour ...
Page 37: ...3 Getting Started ...
Page 38: ...This chapter gives information on setting up and starting to use your system ...
Page 42: ...3 Getting Started 30 ...
Page 43: ...4 Configuring the system ...
Page 94: ...4 Configuring the system 82 ...
Page 95: ...5 BIOS setup ...
Page 155: ...6 Troubleshooting ...
Page 170: ...6 Troubleshooting 158 ...
Page 171: ...Appendix A Management software installation ...
Page 172: ...This appendix shows you how to install the ASM software packages ...
Page 176: ...Appendix A Management software installation 164 ...
Page 177: ...Appendix B Tool less rail kit installation ...
Page 189: ...Appendix C RAID Configuration ...
Page 190: ...This appendix shows you how to create RAID ...
Page 195: ...Appendix D BIOS POST Checkpoint Codes ...
Page 211: ...199 F7h Boot to Full DOS Checkpoint Code Beep Code Description ...
Page 212: ...Appendix D BIOS POST Checkpoint Codes 200 ...
Page 214: ...202 U Upgrading the CPU 45 62 80 Upgrading the system 33 ...