Troubleshooting 7-13

POST Progress Codes

POST progress code

Description

28h

Initializing and checking memory

2Ah

Zero Clear of memory

2Ch

Address line test of memory

2Eh

Data line test of memory

0Ah

Initializing processor

2Fh

Setting cache for processor

38h

Shadowing system BIOS

67h

Initializing application processor

69h

Initializing SMl

49h

Initializing PCI device (Resource assignment)

55h

Initializing USB

4Ah

Initializing video controller

4Ch

Shadowing video BIOS

59h

Initializing display feature of POST

C6h

Initializing console redirection feature

4Eh

Displaying copyright

50h

Displaying processor information

60h

Test for expanded memory

62h

Address test for expanded memory

68h

Configuring cache

6Ah

Displaying cache size

87h

Configuring I/O device

98h

Extracting option ROM of PCI device

93h

Configuring multi-processor

9Ch

Setting up SMl

BAh

Initializing SMBIOS

C3h

Displaying POST error

ACh

Starting BIOS SETUP

B0h

Checking POST error

BDh

Displaying Boot menu

97h

Creating MP table

C0h

Starting boot process