PC Diagnostics, Testing, and Maintenance - Upgrading and Repairing PCs - page 1235

Note
You can find listings for additional POST checkpoint codes at www.postcodemaster.com .
Also, see Chapter 5 , “ BIOS ,” to learn more about working with your BIOS. Remember to
consult your motherboard documentation for codes specific to your BIOS version.
BIOS POST Onscreen Messages
Onscreen messages are brief messages that attempt to indicate a specific failure. These
messagescanbedisplayedonlyafterthepointatwhichthevideoadaptercardanddisplay
have been initialized.
These different types of error messages are BIOS dependent and vary among BIOS man-
ufacturers, and even in some cases among different BIOSs from the same manufacturer.
ThefollowingsectionslistthecodesusedbythemostpopularROMBIOSversions(AMI,
Award, Phoenix, and IBM BIOS), but you should consult your motherboard or ROM
BIOS manufacturer for the codes specific to your board and BIOS.
Most POST code cards come with documentation listing the POST checkpoint codes for
various BIOS versions. If your BIOS is different from what I have listed here, consult
the documentation foryourBIOS orthe information that came with yourparticular POST
card.
AMI BIOS POST Error Codes
Table 20.1 lists the beep codes that the AMI BIOS from American Megatrends uses.
Table 20.1 AMI BIOS POST Beep Codes