Acer 1400 manual Error Repaired

80	Troubleshooting
Error Messages	Corrective Action

0251 System CMOS checksum bad - Default configuration used

CMOS has been corrupted or modified incorrectly.

Enter the BIOS Setup Utility and verify the parameters; then save and restart your computer.

If the problem persists, contact your dealer or an authorized service center.

0260 System timer	System timer test failed, and the system board needs to be
error	repaired.
	Write down the message and contact your dealer or an authorized
	service center.
0270 Real time clock	Real time clock test failed, and the system board may need to be
error	repaired.
	Write down the message and contact your dealer or an authorized
	service center.
0271 Check date and	Date and time are out of range, and was reset.
time settings	Enter the BIOS Setup Utility and set the correct date and time.

0280 Previous boot incomplete - Default configuration used

Previous boot-up was not completed successfully.

Enter the BIOS Setup Utility and verify the parameters (try loading the default settings); then save and restart your computer.

0281 Memory Size found by POST differed from CMOS

Try reinstalling the memory. See “Installing memory” on page 49.

If the problem persists, contact your dealer or an authorized service center.

02B0	Diskette drive A	Floppy drive test failed, and may need to be repaired or replaced.
error		Contact your dealer or an authorized service center.
02B2	Incorrect Drive
A type - run SETUP
02D0 System cache		Cache memory test failed and was disabled; cache needs to be
error - Cache disabled		replaced.
		Contact your dealer or an authorized service center.
02F4 EISA CMOS not		System unable to write to EISA CMOS.
writeable		Write down the message and contact your dealer or an authorized
		service center.
02F5 DMA Test Failed		System unable to write to DMA (Direct Memory Access) registers.
		Write down the message and contact your dealer or an authorized
		service center.