Acer Altos G900 User Manual

Page 234

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Appendix E: Codes and error messages

218

16

1-2-2-3

BIOS ROM checksum

18

8254 timer initialization

1A

8237 DMA controller initialization

1C

Reset Programmable Interrupt Controller

20

1-3-1-1

Test DRAM refresh

22

1-3-1-3

Test 8742 keyboard controller

24

Set ES segment register to 4 GB

28

1-3-3-1

Autosize DRAM, system BIOS stops execution
here if the BIOS does not detect any usable
memory DIMMs

2A

Clear 8 MB base RAM

2C

1-3-4-1

Base RAM failure, BIOS stops execution here if
entire memory is bad

32

Test processor bus-clock frequency

34

Test CMOS

35

RAM initialize alternate chipset registers

36

Warm start shut down

37

Reinitialize the chipset

38

Shadow system BIOS ROM

39

Reinitialize the cache

3A

Autosize cache

3C

Configure advanced chipset registers

3D

Load alternate registers with CMOS values

40

Set initial processor speed new

CP

Beeps

Reason

AA G900 ug - EN.book Page 218 Wednesday, September 25, 2002 5:23 PM

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