Table 2-1 (Page 19 of 25). POST and Diagnostics and Utilities Index
for Symptoms, Messages, Error Codes, or Beeps
Symptoms, Messages, Error
Codes, or Beeps
Action/FRU
163 - Real-time clock error. Set date and time.
Run the Setup Utility; see “POST Error
Codes” on page 2-3.
CMOS clock/battery (if less than 2.8 V dc)
System Board
164 - Memory size error. “Memory” on page 2-38.
Check SIMM installation and parity settings.
Run the Setup Utility. See “POST Error
Codes” on page 2-3 and also “SIMM
Configurations—Type A-1” on page 5-25.
SIMMs
I/O channel memory
System Board
1XX errors not listed above. System Board
20X - Memory error “Memory” on page 2-38.
SIMMs
I/O channel memory
System Board
221 - Shadow RAM error. “Memory” on page 2-38.
SIMMs
I/O channel memory
System Board
225 - SIMM installed in wrong
socket.
Refer to “SIMM Configurations—Type A-1”
on page 5-25 for correct installation.
228 - External cache tag RAM
error.
Optional cache tag address module.
229 - External cache memory
test error
“Memory” on page 2-38.
Cache tag address module and RAM
System Board
262 - DRAM parity configuration
error.
“Memory” on page 2-38.
Run the Setup Utility; see “POST Error
Codes” on page 2-3.
SIMMs
System Board
2-28
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