Sun Microsystems Sun Fire V20z User Manual

Page 95

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Appendix B

BIOS POST Codes

B-5

98

Search for option ROMs

99

Check for SMART drive (optional)

9A

Shadow option ROMs

9C

Set up power management

9D

Initialize security engine (optional)

9E

Enable hardware interrupts

9F

Determine number of ATA and SCSI drives

A0

Set time of day

A2

Check key lock

A4

Initialize typematic rate

A8

Erase F2 prompt

AA

Scan for F2 key stroke

AC

Enter setup

AE

Clear boot flag

B0

Check for errors

B1

Inform RomPilot about the end of POST

B2

POST done - prepare to boot operating system

B4

One short beep

B5

Terminate QuietBoot (optional)

B6

Check password

B7

Initialize ACPI BIOS

B9 Prepare

boot

BA

Initialize DMI parameters

BB

Initialize PnP option ROMs

BC

Clear parity checkers

BD

Display multiboot menu

BE Clear

screen

BF

Check virus and backup reminders

C0

Try to boot with interrupt 19

C1

Initialize POST Error Manager (PEM)

TABLE B-1

BIOS POST Codes (Continued)

Post Code

Description

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