Error Messages
The following tables describes the error messages that may appear during POST. Each message is listed with a detailed description of the error.
Memory
Message Displayed | Description |
|
|
Gate20 Error | The BIOS is unable to properly control the mainboard’s Gate A20 function, which |
| controls access of memory over 1 MB. This may indicate a problem with the |
| mainboard. |
|
|
This message will only occur on systems using ECC enabled memory modules. | |
| ECC memory has the ability to correct |
| memory modules. |
| A multiple bit corruption of memory has occurred, and the ECC memory algorithm |
| cannot correct it. This may indicate a defective memory module. |
|
|
Parity Error | Fatal Memory Parity Error. System halts after displaying this message. |
|
|
RAM R/W test failed | This message is displayed by the AMIBIOS8 when the RAM read/write test fails. |
|
|
CMOS Memory Size | The base memory (memory below 1MB) size that is reported in the CMOS (offset |
Wrong | 15h) mismatches with the actual size detected. This condition may occur when the |
| hole is set at 512K base memory or when CMOS is corrupted. |
|
|
Boot
Message Displayed | Description |
|
|
Boot Failure ... | This is a generic message indicating the BIOS could not boot from a particular |
| device. This message is usually followed by other information concerning the |
| device. |
|
|
Invalid Boot Diskette | A diskette was found in the drive, but it is not configured as a bootable diskette. |
|
|
Drive Not Ready | 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. |
|
|
A: Drive Error | The BIOS attempted to configure the A: drive during POST, but was unable to |
| properly configure the device. This may be due to a bad cable or faulty diskette |
| drive. |
|
|
B: Drive Error | The BIOS attempted to configure the B: drive during POST, but was unable to |
| properly configure the device. This may be due to a bad cable or faulty diskette |
| drive. |
|
|
Insert BOOT diskette | The BIOS attempted to boot from the A: drive, but could not find a proper boot |
in A: | diskette. |
| Reboot and Select proper Boot device or Insert Boot Media in selected Boot device |
| BIOS could not find a bootable device in the system and/or removable media drive |
| does not contain media. |
|
|
Reboot and Select | BIOS could not find a bootable device in the system and/or removable |
proper Boot device or | media drive does not contain media. |
Insert Boot Media in |
|
selected Boot device |
|
|
|
NO ROM BASIC | This message occurs on some systems when no bootable device can be detected. |
|
|
60 | Chapter 4 |
