HP xw4300 - Power on Self Test (POST) and Error Messages

System Diagnostics and Troubleshooting120
5.8 Power On Self Test (POST) and Error Messages
POST is a series of diagnostic tests that runs automatically when the system is turned on. An audible, visual, or both
message occurs if the POST encounters a problem. POST checks the following items to ensure that the workstation system
is functioning properly:
• Keyboard
• Memory modules
• Diskette drives
• All SATA and SCSI mass storage devices
• Processors
• Controllers
NOTE: If the Power-On Password is set, a key icon appears on the screen while POST is running. You must enter the
password before continuing.
Table 5-18 POST Error Messages
Screen Message Probable Cause Recommended Action
101—Option ROM Error System ROM checksum. Verify the correct ROM.
1. Flash the ROM, if needed.
2. If an expansion card was recently added, remove it
and see if the problem remains.
3. Clear CMOS.
4. If the message disappears, there might be
a problem with the expansion card.
5. Replace the system board.
102—System Board Failure DMA, timers, etc. 1. Clear CMOS.
2. Remove expansion boards.
3. Replace the system board.
110—Out of Memory for
Option ROMs
Option ROM for a device was unable to
run due to memory constraints.
Run Computer Setup and disable unneeded devices
from Advanced > Onboard Devices. Or, disable
option ROMs from Advanced > Device Options.
162—System Options Not Set Configuration incorrect. RTC battery
might need to be replaced.
1. Run Computer Setup (F10 Setup).
2. Set the date and time under Control Panel or in F10
Setup depending on the operating system.
3. If the problem persists, replace the RTC battery.
163—Time and Date Not Set Invalid time or date in configuration
memory.
RTC (real-time clock) battery might need
to be replaced.
CMOS jumper might not be properly
installed.
1. Set the date and time under Control Panel or in F10
Setup depending on the operating system.
2. If the problem persists, replace the RTC battery.
164—Memory Size Error Memory configuration is incorrect. 1. Run Computer Setup (F10 Setup) or Windows
utilities.
2. Be sure memory modules are installed properly.
3. If third-party memory has been added, test using HP
only memory.
4. Verify proper memory module type.
201—Memory Error RAM failure. 1. Run Computer Setup (F10 Setup) or Windows
utilities.
2. Be sure that memory modules are installed correctly.
3. Verify proper memory module type.
4. Remove and replace memory module(s) one at a
time to isolate faulty module.
5. Replace the faulty memory module(s).
6. If error persists after replacing memory modules,
replace the system board.
202—Memory Type Mismatch Memory modules do not match each
other.
Replace memory modules with matched sets.