Bios Booting And Setup Considerations; Default Bios Power-On Self-Test (Post) Events - Sun Oracle Sun Fire X4270 M2 Service Manual

2.5.1

BIOS Booting and Setup Considerations

Refer to the following sections for information when booting the BIOS and other
set up considerations:
Section 2.5.1.1, "Default BIOS Power-On Self-Test (POST) Events" on page 2-6
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Section 2.5.1.2, "BIOS POST F1 and F2 Errors" on page 2-7
■
Section 2.5.1.3, "How BIOS POST Memory Testing Works" on page 2-10
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Section 2.5.1.4, "Ethernet Port Device and Driver Naming" on page 2-11
■
Section 2.5.1.5, "Ethernet Port Booting Priority" on page 2-12
■
Section 2.5.1.6, "Hardware Prefetchers" on page 2-12
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2.5.1.1

Default BIOS Power-On Self-Test (POST) Events

At system startup, the BIOS performs a power-on self-test that checks the hardware
on your server to ensure that all components are present and functioning properly.
TABLE 2-2
whether these events can prevent the host from powering-on.
BIOS POST Events
TABLE 2-2
Event
User password violation
Setup password violation
Correctable ECC
Uncorrectable ECC
No system memory
No usable system memory
Hard disk controller failure
Keyboard failure
Boot media failure
No video device
Firmware (BIOS) ROM corruption
System restart
2-6 Sun Fire X4270 M2 Server Service Manual • May 2011
identifies the events that can occur during BIOS POST, as well as specifies
Cause
Attempt to enter password fails three times
Attempt to enter password fails three times
Memory Correctable ECC (error correction code) error
detected
Memory Uncorrectable ECC error detected
No physical memory detected in the system
All installed memory has experienced an unrecoverable
failure
No disk controller found
Keyboard cannot be initialized
No removable boot media is found
No video controller is found
BIOS checksum fails and the boot block is not
corrupted
System boot initiated
Boot continues
on host?
No
No
Does not
apply
Does not
apply
No
No
Yes
Yes
Yes
No
No
Yes