POST Error Messages Continued

 

 

Screen Message

Beeps*

Probable Cause

163-Time & Date Not Set

2S

Invalid time or date in

 

 

configuration memory.

 

 

RTC (real-time clock)

 

 

battery may need to be

 

 

replaced. Battery life is

 

 

approximately 3 years.

 

 

CMOS jumper may not

 

 

be properly installed.

164-Memory Size Error

2S

Memory configuration

 

 

is incorrect.

183-Invalid Processor

2S

System board jumper

Jumper Setting

 

improperly set.

201-Memory Error

None

RAM failure.

202-Memory Type Mismatch

None

Memory modules do not

 

 

match each other.

207-ECC Corrected Single

2S

Single Bit ECC error.

Bit Errors in DIMM/SIMM

 

 

Pair(s) X,X,... in Memory

 

 

Socket(s) y,y

 

 

* L = Long, S = Short

 

 

Recommended Action

Set the date and time under Control Panel.

If the problem persists, replace the RTC battery.

Check for proper placement of the CMOS jumper.

1.Run Computer Setup (F10 Setup) or Windows utilities.

2.Make sure memory module(s) (if any) are installed properly.

3.Verify proper memory module type.

4.If third-party memory has been added, test using Compaq-only memory.

Reset system board jumpers to match processor and bus speeds.

1.Run computer Setup (F10 Setup) or Windows utilities.

2.Ensure memory and continuity 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.

Replace memory modules with matched sets.

1.Verify proper memory module type.

2.Try another memory socket.

3.Replace memory module if problem persists.

continued

B-2 POST Error Messages - Numbered