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Appendix b: bios post codes – SUPER MICRO Computer 5014C-MF User Manual

Page 93

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Appendix B: BIOS POST Codes

B-5

POST (hex) Defi nition

74h

Reserved

75h

Detect and install all IDE devices: HDD, LS120, ZIP, CD-ROM, etc.

76h

Reserved

77h

Detect serial ports and parallel ports

78h

Reserved

79h

Reserved

7Ah

Detect and install co-processor

7Bh

Reserved

7Ch

Reserved

7Dh

Reserved

7Eh

Reserved

7Fh

1. Switch back to text mode if full screen logo is supported.
- If errors occur, report errors and wait for keys.
- If no errors occur or F1 key is pressed to continue:
- Clear EPA or customization logo

80h

Reserved

81h

Reserved

82h

1. Call chipset power management hook
2. Recover the text font used by EPA logo (not for full screen logo)
3. If password is set, ask for password

83h

Save all data in stack back to CMOS

84h

Initialize ISA PnP boot devices

85h

1. USB fi nal initialization
2. NET PC: Build SYSID structure
3. Switch screen back to text mode
4. Set up ACPI table at top of memory
5. Invoke ISA adapter ROMs
6. Assign IRQs to PCI devices
7. Initialize APM
8. Clear noise of IRQs

86h

Reserved

87h

Reserved

88h

Reserved

89h

Reserved

90h

Reserved

91h

Reserved

92h

Reserved

93h

Read HDD boot sector information for Trend anti-virus code