Bios post codes, Table, Aaaaaaa – Motorola ATCA-717 User Manual

Page 96: Standard bios post codes

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BIOS

BIOS Post Codes

96

PENT/ATCA−717

BIOS Post Codes

The following table lists BIOS post codes applicable to the used Phoenix 4.0 Release 6.0
BIOS. The BIOS POST codes are stored in the blade

′s Port 80 register and can also be

obtained by reading an on−board IPMI sensor. For details refer to
the

a

PENT/ATCA

*715/717/7105/7107: Control via IPMI Programmer’s Guide which can

be downloaded from the Motorola literature catalog.

aaa

Table 9:

Standard BIOS Post Codes

Post Code

Description

02

Verify real mode

03

Disable non−maskable interrupt (NMI)

04

Get CPU type

06

Initialize system hardware

07

Disable shadow and execute code from the ROM

08

Initialize chipset with initial POST values

09

Set IN POST flag

0A

Initialize CPU registers

0B

Enable CPU cache

0C

Initialize caches to initial POST values

0E

Initialize I/O component

0F

Initialize the local bus IDE

10

initialize power management

11

Load alternate registers with initial POST values

12

Restore CPU control word during warm boot

13

Initialize PCI bus mastering devices

14

Initialize keyboard controller

16

BIOS ROM checksum

17

Initialize cache before memory autosize

18

8254 programmable interrupt timer initialization

1A

8237 DMA controller initialization

1C

Reset programmable interrupt controller

20

Test DRAM refresh

22

Test 8742 keyboard controller

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