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5 Error Messages
Introduction
This chapter describes the beep codes and the POST error codes that may occur during the boot process or
normal operation of the HP Tower Server tc2100.
Beep Codes
If the POST routines cannot display messages when an error occurs before the video display is initialized, the
HP Server emits a series of beeps. If you get a blank screen on boot, but hear beeps, refer to the table below
to interpret the meaning of the beeps.
Beep Codes for Fatal Errors
P = Check and replace processor
S = Check and replace system board +
M = Check and replace DIMMs
R = Replace ROM chip +
Note: + If this occurs, contact your service representative to replace your HP Server tc2100.
Beep Code Test Failure I/O port 80H Repair
1-2-2-3 BIOS ROM checksum 16 R
1-3-1-1 Test DRAM refresh 20 S, P
1-3-1-3 Test 8742 Keyboard Controller 22 S, P
1-3-3-1 Auto size DRAM 28 M
1-3-4-1 RAM failure on address line 2C M, P
1-3-4-3 RAM failure on data bits of low byte of
memory bus
2E M, P
2-1-2-3 Check ROM copyright notice 46 R
2-2-3-1 Test for unexpected interrupts 58 S, P
1-2 Search for optional ROMs. One long,
two short beeps on checksum failure
98 S, C
Power-On Self Test (POST) Error Codes
Error codes (POST Codes) are encountered if an error condition occurs during the boot process of the HP
Server tc2100. All codes and the respective descriptions are listed in the following table for the HP Server
tc2100.
These codes will appear on the display monitor, provided it and the supporting circuitry are functioning:
NOTE Do not take remove/replacement actions until you have taken other troubleshooting steps.
See the troubleshooting checklist in Chapter 7, “Maintenance and Troubleshooting.”