The following table lists POST messages and explanations for reported problems If the system fails after you make changes in BIOS Setup, reset the notebook, enter BIOS Setup, and install the defaults or correct the error.

 

 

Table 3-5 POST Messages

 

 

Message

Description

0200

Failure Fixed Disk

Fixed (hard) disk is not working or not configured properly Make sure the hard disk is

 

 

installed properly Run BIOS Setup and make sure the hard disk type is correctly identified

0210

Stuck key

Stuck key on keyboard

0211

Keyboard error

Keyboard is not working

0212

Keyboard Controller

Keyboard controller failed the test Might require replacing the motherboard (contains the

Failed

keyboard controller)

0213

Keyboard locked

Unlock key switch Unlock the system to proceed

0220

Monitor type does not

Monitor type is not correctly identified in BIOS Setup

match CMOS—Run SETUP

 

0230 Shadow RAM Failed at

Shadow RAM failed at offset nnnn of the 64k block at which the error was detected

offset: nnnn

 

0231 System RAM Failed at

System RAM failed at offset nnnn of the 64k block at which the error was detected

offset: nnnn

 

0232

Extended RAM Failed at

Extended memory is not working or not configured properly at offset nnnn Update to the

offset: nnnn

latest BIOS version

0250

System battery is dead—

CMOS clock battery indicator shows that the CMOS battery is dead Connect the AC adapter

Replace and run SETUP

for at least 24 hours, and then run BIOS Setup to reconfigure the system

0251 System CMOS checksum

System CMOS has been corrupted or modified incorrectly, perhaps by an application that

bad—Default configuration

changes CMOS data In response, the BIOS has installed the default Setup values Use BIOS

used

 

Setup to modify these values if needed If the error persists, check the system battery

 

 

Connect the AC adapter for at least 24 hours; replace the motherboard

0260

System timer error

Timer test failed Replace the motherboard

0270

Real time clock error

Real-time clock failed the BIOS test Might require replacing the motherboard

0271 Check date and time

BIOS found the date or time to be out of range, and then reset the real-time clock You might

settings

need to use BIOS Setup to reset the legal date

0280

Previous boot

Previous POST did not complete successfully POST loads default values and offers to run

incomplete—Default

BIOS Setup If the failure was caused by incorrect values that are not corrected, the next boot

configuration used

will likely fail This error is cleared the next time the system is booted

0281 Memory Size found by

Memory size found by POST differed from that specified in CMOS

POST differed from CMOS

 

02B0 Diskette drive A error

Drive A: is present but fails the BIOS POST diskette tests Make sure the drive is defined with

 

 

the proper diskette type in BIOS Setup, and that the drive is connected correctly

02B2 Incorrect Drive A type—

Type of floppy drive A: not correctly identified in BIOS Setup

run SETUP

 

02D0 System cache error—

RAM cache failed and BIOS disabled the cache May require replacing the motherboard

Cache disabled

A disabled cache slows system performance considerably

02F0: CPU ID

CPU socket number for Multi-Processor error

02F4: EISA CMOS Not

ServerBIOS2 test error: Cannot write to EISA CMOS

Writeable

 

02F5: DMA Test Failed

ServerBIOS2 test error: Cannot write to extended Direct Memory Access (DMA) registers

02F6: Software NMI Failed

ServerBIOS2 test error: Cannot generate software Non-Maskable Interrupt (NMI)

3-24 Troubleshooting and Diagnostics

Service Manual