Acer 720 Laptop User Manual


 
Chapter 4 91
02D0
System cache error - Cache
disabled
1. IMM (CPU board)
2. System board
02F0
CPU ID:
1. IMM (CPU board)
2. System board
02F5
DMA Test Failed
1. DIMM
2. IMM (CPU board)
3. System board
02F6
Software NMI Failed
1. DIMM
2. IMM (CPU board)
3. System board
02F7
Fail-Safe Timer NMI Failed
1. DIMM
2. IMM (CPU board)
3. System board
Device Address Conflict 1. Run “Load Setup Defaults” in BIOS Setup
Utility.
2. Backup battery (RTC)
3. System board
Allocation Error for: device 1. Run “Load Setup Defaults” in BIOS Setup
Utility.
2. Backup battery (RTC)
3. System board
Failing Bits: nnnn 1. DIMM
2. BIOS ROM
3. System board
Fixed Disk n None
Invalid System
Configuration Data
1. BIOS ROM
2. System board
I/O device IRQ conflict 1. Run “Load Setup Defaults” in BIOS Setup
Utility.
2. Backup battery (RTC)
3. System board
Operating system not found 1. Enter Setup and see if fixed disk and drive A:
are properly identified.
2. Diskette Driver
3. Hard Disk
4. System board
Symptom / Error FRU / Action in Sequence
720.book Page 91 Saturday, March 6, 1999 10:00 AM