Beeps |
Error Message |
Description |
| 1-1-2 |
CPU test failure |
The CPU is faulty. Replace the CPU |
| Low 1-1-2 |
System board select failure |
The motherboard is having an undetermined fault. Replace the motherboard |
| 1-1-3 |
CMOS read/write error |
The real time clock/CMOS is faulty. Replace the CMOS if possible |
| Low 1-1-3 |
Extended CMOS RAM failure |
The extended portion of the CMOS RAM has failed. Replace the CMOS if possible |
| 1-1-4 |
BIOS ROM checksum error |
The BIOS ROM has failed. Replace the BIOS or upgrade if possible |
| 1-2-1 |
PIT failure |
The programmable interrupt timer has failed. Replace if possible |
| 1-2-2 |
DMA failure |
The DMA controller has failed. Replace the IC if possible |
| 1-2-3 |
DMA read/write failure |
The DMA controller has failed. Replace the IC if possible |
| 1-3-1 |
RAM refresh failure |
The RAM refresh controller has failed |
| 1-3-2 |
64KB RAM failure |
The test of the first 64KB RAM has failed to start |
| 1-3-3 |
First 64KB RAM failure |
The first RAM IC has failed. Replace the IC if possible |
| 1-3-4 |
First 64KB logic failure |
The first RAM control logic has failed |
| 1-4-1 |
Address line failure |
The address line to the first 64KB RAM has failed |
| 1-4-2 |
Parity RAM failure |
The first RAM IC has failed. Replace if possible |
| 1-4-3 |
EISA fail-safe timer test |
Replace the motherboard |
| 1-4-4 |
EISA NMI port 462 test |
Replace the motherboard |
| 2-1-1 |
64KB RAM failure |
Bit 0; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-1-2 |
64KB RAM failure |
Bit 1; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-1-3 |
64KB RAM failure |
Bit 2; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-1-4 |
64KB RAM failure |
Bit 3; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-2-1 |
64KB RAM failure |
Bit 4; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-2-2 |
64KB RAM failure |
Bit 5; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-2-3 |
64KB RAM failure |
Bit 6; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-2-4 |
64KB RAM failure |
Bit 7; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-3-1 |
64KB RAM failure |
Bit 8; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-3-2 |
64KB RAM failure |
Bit 9; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-3-3 |
64KB RAM failure |
Bit 10; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-3-4 |
64KB RAM failure |
Bit 11; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-4-1 |
64KB RAM failure |
Bit 12; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-4-2 |
64KB RAM failure |
Bit 13; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-4-3 |
64KB RAM failure |
Bit 14; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 2-4-4 |
64KB RAM failure |
Bit 15; This data bit on the first RAM IC has failed. Replace the IC if possible |
| 3-1-1 |
Slave DMA register failure |
The DMA controller has failed. Replace the controller if possible |
| 3-1-2 |
Master DMA register failure |
The DMA controller had failed. Replace the controller if possible |
| 3-1-3 |
Master interrupt mask register failure |
The interrupt controller IC has failed |
| 3-1-4 |
Slave interrupt mask register failure |
The interrupt controller IC has failed |
| 3-2-2 |
Interrupt vector error |
The BIOS was unable to load the interrupt vectors into memory. Replace the motherboard |
| 3-2-3 |
Reserved |
|
| 3-2-4 |
Keyboard controller failure |
The keyboard controller has failed. Replace the IC if possible |
| 3-3-1 |
CMOS RAM power bad |
Replace the CMOS battery or CMOS RAM if possible |
| 3-3-2 |
CMOS configuration error |
The CMOS configuration has failed. Restore the configuration or replace the battery if possible |
| 3-3-3 |
Reserved |
|
| 3-3-4 |
Video memory failure |
There is a problem with the video memory. Replace the video adapter if possible |
| 3-4-1 |
Video initialization failure |
There is a problem with the video adapter. Reseat the adapter or replace the adapter if possible |
| 4-2-1 |
Timer failure |
The system's timer IC has failed. Replace the IC if possible |
| 4-2-2 |
Shutdown failure |
The CMOS has failed. Replace the CMOS IC if possible |
| 4-2-3 |
Gate A20 failure |
The keyboard controller has failed. Replace the IC if possible |
| 4-2-4 |
Unexpected interrupt in protected mode |
This is a CPU problem. Replace the CPU and retest |
| 4-3-1 |
RAM test failure |
System RAM addressing circuitry is faulty. Replace the motherboard |
| 4-3-3 |
Interval timer channel 2 failure |
The system timer IC has failed. Replace the IC if possible |
| 4-3-4 |
Time of day clock failure |
The real time clock/CMOS has failed. Replace the CMOS if possible |
| 4-4-1 |
Serial port failure |
A error has occurred in the serial port circuitry |
| 4-4-2 |
Parallel port failure |
A error has occurred in the parallel port circuitry |
| 4-4-3 |
Math coprocessor failure |
The math coprocessor has failed. If possible, replace the MPU |
Beeps |
Description |
| 1-1-1-3 |
Verify real mode |
| 1-1-2-1 |
Get CPU type |
| 1-1-2-3 |
Initialize system hardware |
| 1-1-3-1 |
Initialize chipset registers with initial values |
| 1-1-3-2 |
Set in POST flag |
| 1-1-3-3 |
Initialize CPU registers |
| 1-1-4-1 |
Initialize cache to initial values |
| 1-1-4-3 |
Initialize I/O |
| 1-2-1-1 |
Initialize power management |
| 1-2-1-2 |
Load alternative registers with initial POST values |
| 1-2-1-3 |
Jump to UserPatch0 |
| 1-2-2-1 |
Initialize timer initialization |
| 1-2-3-1 |
8254 timer initialization |
| 1-2-3-3 |
8237 DMA controller initialization |
| 1-2-4-1 |
Reset Programmable Interrupt Controller |
| 1-3-1-1 |
Test DRAM refresh |
| 1-3-1-3 |
Test 8742 Keyboard Controller |
| 1-3-2-1 |
Set ES segment register to 4GB |
| 1-3-3-1 |
Autosize DRAM |
| 1-3-3-3 |
Clear 512K base memory |
| 1-3-4-1 |
Test 512K base address lines |
| 1-3-4-3 |
Test 51K base memory |
| 1-4-1-3 |
Test CPU bus-clock frequency |
| 1-4-2-1 |
CMOS RAM read/write failure (this commonly indicates a problem on the ISA bus such as a card not seated) |
| 1-4-2-4 |
Reinitialize the chipset |
| 1-4-3-1 |
Shadow system BIOS ROM |
| 1-4-3-2 |
Reinitialize the cache |
| 1-4-3-3 |
Autosize the cache |
| 1-4-4-1 |
Configure advanced chipset registers |
| 1-4-4-2 |
Load alternate registers with CMOS values |
| 2-1-1-1 |
Set initial CPU speed |
| 2-1-1-3 |
Initialize interrupt vectors |
| 2-1-2-1 |
Initialize BIOS interrupts |
| 2-1-2-3 |
Check ROM copyright notice |
| 2-1-2-4 |
Initialize manager for PCI Options ROMs |
| 2-1-3-1 |
Check video configuration against CMOS |
| 2-1-3-2 |
Initialize PCI bus and devices |
| 2-1-3-3 |
initialize all video adapters in system |
| 2-1-4-1 |
Shadow video BIOS ROM |
| 2-1-4-3 |
Display copyright notice |
| 2-2-1-1 |
Display CPU type and speed |
| 2-2-1-3 |
Test keyboard |
| 2-2-2-1 |
Set key click if enabled |
| 2-2-2-3 |
Enable keyboard |
| 2-2-3-1 |
Test for unexpected interrupts |
| 2-2-3-3 |
Display prompt "Press F2 to enter setup" |
| 2-2-4-1 |
Test RAM between 512K and 640K |
| 2-3-1-1 |
Test expanded memory |
| 2-3-1-3 |
Test extended memory address lines |
| 2-3-2-1 |
Jump to UserPatch1 |
| 2-3-2-3 |
Enable external and CPU caches |
| 2-3-2-3 |
Configure advanced cache registers |
| 2-3-3-1 |
Enable external and CPU caches |
| 2-3-3-2 |
Initialize SMI handler |
| 2-3-3-3 |
Display external cache size |
| 2-3-4-1 |
Display shadow message |
| 2-3-4-3 |
Display non-disposable segments |
| 2-4-1-1 |
Display error messages |
| 2-4-1-3 |
Check for configuration errors |
| 2-4-2-1 |
Test real-time clock |
| 2-4-2-3 |
Check for keyboard errors |
| 2-4-4-1 |
Setup hardware interrupt vectors |
| 2-4-4-3 |
Test coprocessor if present |
| 3-1-1-1 |
Disable onboard I/O ports |
| 3-1-1-3 |
Detect and install external RS232 ports |
| 3-1-2-1 |
Detect and install external parallel ports |
| 3-1-2-3 |
Reinitialize onboard I/O ports |
| 3-1-3-1 |
Initialize BIOS Data Area |
| 3-1-3-3 |
Initialize Extended BIOS Data Area |
| 3-1-4-1 |
Initialize floppy controller |
| 3-2-1-1 |
Initialize hard disk controller |
| 3-2-1-2 |
Initialize local bus hard disk controller |
| 3-2-1-3 |
Jump to UserPatch2 |
| 3-2-2-1 |
Disable A20 address line |
| 3-2-2-3 |
Clear huge ES segment register |
| 3-2-3-1 |
Search for option ROMs |
| 3-2-3-3 |
Shadow option ROMs |
| 3-2-4-1 |
Setup power management |
| 3-2-4-3 |
Enable hardware interrupts |
| 3-3-1-1 |
Set time of day |
| 3-3-1-3 |
Check key lock |
| 3-3-3-1 |
Erase F2 prompt |
| 3-3-3-3 |
Scan for F2 keystroke |
| 3-3-4-1 |
Enter SETUP |
| 3-3-4-3 |
Clear in-POST flag |
| 3-4-1-1 |
Check for errors |
| 3-4-1-3 |
POST done - prepare to boot operating system |
| 3-4-2-1 |
One beep |
| 3-4-2-3 |
Check password (optional) |
| 3-4-3-1 |
Clear global descriptor table |
| 3-4-4-1 |
Clear parity checkers |
| 3-4-4-3 |
Check virus and backup reminders |
| 4-1-1-1 |
Try to boot with INT 19 |
| 4-2-1-1 |
Interrupt handler error |
| 4-2-1-3 |
Unknown interrupt error |
| 4-2-2-1 |
Pending interrupt error |
| 4-2-2-3 |
Initialize option ROM error |
| 4-2-3-1 |
Shutdown error |
| 4-2-3-3 |
Extended Block Move |
| 4-2-4-1 |
Shutdown 10 error |
| 4-2-4-3 |
Keyboard Controller failure (most likely problem is with RAM or cache unless no video is present) |
| 4-3-1-3 |
Initialize the chipset |
| 4-3-1-4 |
Initialize refresh counter |
| 4-3-2-1 |
Check for Forced Flash |
| 4-3-2-2 |
BIOS ROM is OK |
| 4-3-2-4 |
Do a complete RAM test |
| 4-3-3-1 |
Do OEM initialization |
| 4-3-3-2 |
Initialize interrupt controller |
| 4-3-3-3 |
Read in bootstrap code |
| 4-3-3-4 |
Initialize all vectors |
| 4-3-4-2 |
Initialize the boot device |
| 4-3-4-3 |
Boot code was read OK |