Dell Latitude Cpi - Manual (Page 28)

3-2 Dell Latitude CP and CPi Service Manual
7DEOH 3267 (UURU &RGHV
,QGLFDWRU
&RGH (UURU 3UREDEOH &DXVHV
1-1-3 NVRAM write/read
failure BIOS corrupted; system board
faulty
1-1-4 ROM BIOS checksum
failure BIOS corrupted; system board
faulty
1-2-1 Programmable interval
timer failure System board faulty
1-2-2 DMA initialization
failure System board faulty
1-2-3 DMA page register
write/read failure System board faulty
1-3-1
through
1-1-1 Installed memory
module(s) not being
properly identified or
used Memory module improperly seated
or system memory controller faulty
(system board faulty)
3-1-1
3-1-2
Slave DMA register
failure
Master DMA register
failure
System board faulty
3-1-3
3-1-4
Master interrupt mask
register failure
Slave interrupt mask
register failure
System board faulty
3-2-4 Keyboard controller test
failure Keyboard assembly faulty or system
board faulty
3-3-4
3-4-1
3-4-2
Display memory test
failure
Display initialization
failure
Display retrace test
failure
System board faulty
4-2-1
4-2-2
4-2-3
4-2-4
No timer tick
Shutdown failure
Gate A20 failure
Unexpected interrupt in
protected mode
System board faulty