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Type of error
BIOS Message
Memory
Gate20 Error
Multi-Bit ECC Error
Parity Error
Boot
Boot Failure
Invalid Boot Diskette
Drive Not Ready
A: Drive Error
B: Drive Error
Insert BOOT Diskette in A:
Reboot and Select Proper
Boot Device or Insert Boot
Media in Selected Boot device
NO ROM BASIC
Types of POST messages
After POST gains access to the display controller, it displays various messages
on-screen. Some messages display information about a hardware device (for
example, the amount of memory installed). Other messages might indicate a
problem with a device, such as the way it has been configured. These messages are
called error messages.
If an error message is displayed, you will have the option of either continuing with
the boot process, or entering the BIOS Setup utility to re-configure the BIOS
settings.
The following table includes a list and an explanation of the various messages that
the BIOS can display.
Explanation
The BIOS is unable to properly control the Matrox Supersight SHB-5520 board's Gate A20
function, which controls access to memory over 1 Mbyte. This might indicate a problem with
the SHB.
This message will only occur on Matrox Supersight SHB-5520 boards using ECC-enabled
memory modules. ECC memory has the ability to correct single-bit errors that can occur
from faulty memory modules. If a multiple-bit corruption of memory occurs, the
ECC memory algorithm cannot correct it. This might indicate a defective memory module.
The Matrox Supersight SHB-5520 board displays a message about a fatal memory parity
error. The board then stops responding. This might indicate a defective memory module.
This is a generic message indicating that the BIOS could not boot from a particular device.
This message is usually followed by other information concerning the device.
A diskette was found in the drive, but it is not configured as a bootable diskette.
The BIOS was unable to access the drive because it indicated it was not ready for data
transfer. This is often reported by drives when no media is present.
The BIOS attempted to configure the A: drive during POST, but was unable to properly
configure the device. This can be due to a bad cable or faulty drive.
The BIOS attempted to configure the B: drive during POST, but was unable to properly
configure the device. This can be due to a bad cable or faulty drive.
The BIOS attempted to boot from the A: drive, but could not find a proper boot diskette.
The BIOS could not find a bootable device in the unit, and/or the removable media drive does
not contain media.
This message occurs on some Matrox Supersight SHB-5520 boards when no bootable
device can be detected.
BIOS messages
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