Chapter 4
98
Error Messages and Error Codes
The BIOS indicates the current testing phase during POST by writing a hex code to I/O location 80H. If errors
are encountered, error messages or codes will either be displayed to the video screen, or if an error has
occurred prior to video initialization, errors will be reported through a series of audio beep codes.
POST Error Messages
Memory BIOS Messages
Message Displayed
Description
Gete 20 Error
The BIOS is unable to properly control the motherboard's Gate A20 function,
which controls access of memory over 1 MB. This may indicate a problem with
the motherboard.
Multi-Bit ECC Error
This message will only occur on systems using ECC enabled memory modules.
ECC memory has the ability to correct single-bit errors that may occur from
faulty 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.
Boot BIOS Messages
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 in A:
The BIOS attempted to boot from the A: drive, but could not find a proper boot
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.
NO ROM BASIC
This message occurs on some systems when no bootable device can be
detected.
Storage Device BIOS Messages
Message Displayed
Description
Primary Master Hard Disk
Error
The IDE/ATAPI device configured as Primary Master could not be properly
initialized by the BIOS. This message is typically displayed when the BIOS is
trying to detect and configure IDE/ATAPI devices in POST.
Primary Slave Hard Disk
Error
The IDE/ATAPI device configured as Primary Slave could not be properly
initialized by the BIOS. This message is typically displayed when the BIOS is
trying to detect and configure IDE/ATAPI devices in POST.
Summary of Contents for Altos R710
Page 6: ...VI ...
Page 9: ...IX Table of Contents ...
Page 13: ...4 Chapter 1 System Block Diagram ...
Page 14: ...Chapter 1 5 System Board Layouts Connector and Header Locations ...
Page 23: ...14 Chapter 1 L Control Panel M Hard Drive Bays Item Description ...
Page 72: ...63 Chapter 3 Disassembly FlowChart ...
Page 75: ...Chapter 3 66 ...
Page 130: ...121 Chapter 6 ...
Page 132: ...123 Appendix A ...
Page 146: ...137 Appendix B ...
Page 148: ...139 Appendix C ...