Acer Aspire 1400, Service Manual

Page: 81 / 118

Chapter 4 75
02B0 Diskette drive A/B error Drive A: or B: is present but fails the BIOS POST diskette tests.
Check the drive is defined with the proper diskette type in BIOS
Setup Utility
Check if the diskette drive is attached correctly.
See “External Diskette Drive Check” on page 70.
02B2 Incorrect Drive A type - run SETUP Type of floppy drive A: not correctly identified in Setup.
Main board
02D0 System cache error - Cache disabled RAM cache failed and BIOS disabled the cache.
On older boards, check the cache jummpers. You may have to
replace the cache.
Main board
02F0 CPU ID CPU socket number for Multi-Processor error.
Main board
02F4 EISA CMOS not writeable System unable to write to EISA CMOS.
Main board
02F5 DMA Test Failed System unable to write to DMA (Direct Memory Access) registers.
Main board
02F6 Software NMI Failed System unable to generate software NMI (Non-Maskable Interrupt).
Main board
02F7 Fail-Safe Timer NMI Failed Fail-Safe Timer takes too long.
Main board
device Address Conflict Specific device has an address conflict.
Enter the BIOS Setup Utility and verify the parameters (try loading
the default settings); then save and restart the computer.
RTC battery
Main board
Failing Bits: nnnn Memery test failed.
DIMM
BIOS ROM
Main board
Invalid System Configuration Data Error with NVRAM (CMOS) data.
Enter the BIOS Setup Utility and verify the parameters (try loading
the default settings); then save and restart your computer.
Main board
I/O device IRQ conflict I/O device has IRQ (Interrupt Request) conflict.
Enter the BIOS Setup Utility and verify the parameters (try loading
the default settings); then save and restart the computer.
RTC battery
Main board
Operating system not found Operating system cannot be found on the boot device.
Enter the BIOS Setup Utility and verify the parameters (try loading
the default settings); then save and restart the computer.
Recover hard disk.
Reinstall the operating system.
Parity Check 1 nnnn Parity error found on system bus. BIOS attempts to locate the
address and display it on the screen. If it cannot locate the address,
it displays.
Parity Check 2 nnnn Parity error found on I/O bus. BIOS attempts to locate the address
and display it on the screen. If it cannot locate the address, it
displays .
Error Message List
Error Messages FRU/Action in Sequence