POST Error Code FRU/Action
163
Clock not updating or invalid time set
1. Time and Date Set?
2. CMOS Backup Battery (see “Safety
Information” on page 125)
3. System Board
164
POST detected a base memory or extended
memory size mismatch error or RIMM
socket 3 is populated with a RIMM memory
module
1. Run Setup. Check System Summary
menu for memory size change. (See
“Setup Utility program” on page 7.)
2. Run the Extended Memory Diagnostic
tests
166
Boot Block Check Sum Error
1. Run Flash Recovery using Boot Block.
See “Flash recovery boot block jumper”
on page 88.
2. System Board
167
Microprocessor installed that is not
supported by the current POST/BIOS
1. Run Setup. Check Stepping level for
the BIOS level needed, then perform
the flash update.
2. Processor
168
Alert on LAN error
1. Run Setup. Check to see that Ethernet
and Alert on LAN are enabled.
2. System Board
3. Riser card
17X, 18X
1. C2 Security
175
1. Run Configuration. See “Setup Utility
program” on page 7.
2. System Board
176
1. Covers were removed from the
computer
177
Corrupted Administrator Password
1. System Board
178
1. System Board
183
1. Enter the administrator password
184
No RFID Antenna
1. Make sure Asset Care and Asset ID are
enabled in Configuration/Setup
2. RFID Antenna
3. System Board
4. Riser card
185
Corrupted boot sequence
1. Set configuration and reinstall the boot
sequence
186
1. System Board
187
1. Clear Administration password
2. System Board
189
1. More than three password attempts
were made to access the computer
Chapter 6. Symptom-to-FRU Index 61