User`s guide

C-24

User’s Guide

PCI Diagnostic POST Codes

POST Codes Name Meaning

31–16 Post code main part See below

15–12 Ext3 Module number (0 or 1)

11–08 Ext2 IOB number (0 or 1)

07–04 Ext1 Hub link number for the PCI (1 to 4)

03–00 Ext0 P64H2 secondary bus (0x“A” or 0x“B”)

Table 49. PCI diagnostic POST code format

POST Codes

Meaning Extensions

0x802A Temporary PCI bus number assignment Yes

0x812A Initial PCI bus power–up sequence Yes

0x822A Disable all PCI slots Yes

0x812A Initial PCI bus power–up sequence Yes

0x832A Apply power to PCI slots Yes

0x842A Set PCI bus mode and frequency Yes

0x852A Final PCI bus power–up sequence Yes

0x862A One second temporization Yes

0x872A One second temporization Yes

0x882A One second temporization Yes

0x892A One second temporization Yes

0x8A2A Read Vendor ID of all PCI devices Yes

0x052A0000 Disable all PCI devices before PCI Bus Walk No

0x252A0000 Configure VGA card, then execute VGA option ROM No

0x552A0000 Configure all remaining PCI devices, then look for USB

devices

Table 50. PCI diagnostic POST codes