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Code

Beeps

POST Routine Description

 

 

2Eh

1-3-4-3 RAM failure on data bits xxxx of low byte of memory bus

 

 

 

2Fh

 

Enable cache before system BIOS shadow

 

 

30h

1-4-1-1 RAM failure on data bits xxxx of high byte of memory bus

 

 

 

32h

 

Test CPU bus-clock frequency

 

 

 

33h

 

Initialize Phoenix Dispatch Manager

 

 

 

36h

 

Warm start shut down

 

 

 

38h

 

Shadow system BIOS ROM

 

 

 

3Ah

 

Autosize cache

 

 

 

3Ch

 

Advanced configuration of chipset registers

 

 

 

3Dh

 

Load alternate registers with CMOS values

 

 

 

42h

 

Initialize interrupt vectors

 

 

 

45h

 

POST device initialization

 

 

46h

2-1-2-3 Check ROM copyright notice

 

 

 

48h

 

Check video configuration against CMOS

 

 

 

49h

 

Initialize PCI bus and devices

 

 

 

4Ah

 

Initialize all video adapters in system

 

 

 

4Bh

 

QuietBoot start (optional)

 

 

 

4Ch

 

Shadow video BIOS ROM

 

 

 

4Eh

 

Display BIOS copyright notice

 

 

 

50h

 

Display CPU type and speed

 

 

 

51h

 

Initialize EISA board

 

 

 

52h

 

Test keyboard

 

 

 

54h

 

Set key click if enabled

 

 

 

58h

2-2-3-1

Test for unexpected interrupts

 

 

 

59h

 

Initialize POST display service

 

 

 

5Ah

 

Display prompt “Press F2 to enter SETUP”

 

 

 

5Bh

 

Disable CPU cache

 

 

 

5Ch

 

Test RAM between 512 and 640 KB

 

 

 

60h

 

Test extended memory

 

 

 

62h

 

Test extended memory address lines

 

 

 

64h

 

Jump to User Patch1

 

 

 

xxxi

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Image 71
Gateway EC58 manual Xxxi