Appendix A

BIOS POST Codes

A-1 BIOS POST Messages

During the Power-On Self-Test (POST), the BIOS will check for problems. If a problem is found, the BIOS will activate an alarm or display a message. The following is a list of such BIOS messages.

Table A-1. BIOS POST Messages

BIOS Message

Failure Fixed Disk

Stuck key

Keyboard error

Keyboard Controller Failed

Keyboard locked - Unlock key switch

Monitor type does not match CMOS - Run SETUP

Shadow Ram Failed at offset: nnnn

System RAM Failed at offset: nnnn

Extended RAM Failed at offset: nnnn

System battery is dead - Replace and run SETUP

System CMOS checksum bad - Default configuration used

System timer error

Real time clock error

Check date and time settings

Description

Fixed disk is not working or not configured properly. Check to see if fixed disk is attached properly. Run Setup. Find out if the fixed-disk type is correctly identified.

Stuck key on keyboard.

Keyboard not working.

Keyboard controller failed test. May require replacing keyboard controller.

Unlock the system to proceed.

Monitor type not correctly identified in Setup

Shadow RAM failed at offset nnnn of the 64k block at which the error was detected.

System RAM failed at offset nnnn of in the 64k block at which the error was detected.

Extended memory not working or not configured properly at offset nnnn.

The CMOS clock battery indicator shows the battery is dead. Replace the battery and run Setup to reconfigure the system.

System CMOS has been corrupted or modified incorrectly, perhaps by an application program that changes data stored in CMOS. The BIOS installed Default Setup Values. If you do not want these values, enter Setup and enter your own values. If the error persists, check the system battery or contact your dealer.

The timer test failed. Requires repair of system board.

Real-Time Clock fails BIOS hardware test. May require board repair.

BIOS found date or time out of range and reset the Real-Time Clock. May require setting legal date (1991-2099).

A-1

Page 69
Image 69
SUPER MICRO Computer SBI-7226T-T2 user manual Appendix a Bios Post Codes, Bios Post Messages