Bios Diagnostic Codes - Matrox 4Sight-II Installation And Hardware Reference

Table of Contents

146 Appendix B: BIOS reference

BIOS Message

Press <F1> to resume, <F2> to

Setup, <F3> for previous

Press <F2> to enter setup, <ESC>

to enter Boot Menu

System BIOS shadowed

UMB upper limit segment address:

nnnn

Video BIOS shadowed

* If your unit displays one of these messages, write down the message and contact Matrox.

Explanation

This is a message displayed along with any other recoverable error message.

Press F1 to continue with the boot process or F2 to enter Setup and change the settings.

Press F3 to display the previous screen. When an initialization error of an option ROM occurs, a

message describing the error is displayed on screen, but is erased when POST displays its message.

Pressing F3 allows you to go back to view the contents of the previous screen.

This is a message displayed during POST, prompting the user to press F2 to enter the Setup program

or ESC to enter the Boot menu.

This message indicates that the computer BIOS has been copied to shadow RAM.

This message displays the address nnnn, as the upper limit of Upper Memory Blocks, indicating

released segments of the BIOS, which can be reclaimed by a virtual memory manager.

This message indicates that the video (VGA) BIOS has been successfully copied to shadow RAM.

BIOS diagnostic codes

If a POST error occurs before the BIOS can gain access to the video card, the error

message will be relayed in the form of a diagnostic code. The BIOS will cause the

diagnostic ("Diag.") LED to flash according to a specified pattern.

The following table lists various flash codes, possible errors associated with each

flash code, as well as suggested solutions to rectify the problem

Flash Code

Possible Error

1-2

POST was not able to initialize the option ROM.

1-2-2-3

BIOS ROM does not checksum to zero.

DIAG. LED