Error Messages And Troubleshooting - Panasonic CF-07 Service Manual

5. Error Messages and Troubleshooting

The table below explains the parts that may be faulty or damaged should an error message occur while performing the
various test items of the self diagnostics program.
Test classification
1 CPU
(CPU related)
2
3
4 RAM
(Memory related)
5 CONTROL
(Control ICs on the
6
main board, etc.)
7
8
9
10
11
12
13
14
15
16 I0
(Input-output)
17
18 Communication
19
20
21 AUX
(Auxiliary
functions)
22 VIDEO
(Display related)
23
24
25 DISK
(FDD, HDD)
26
27 UNIQUE
(Individual
28
functions)
29
Screen display test items
A20 GATE TEST
CACHE ON/OFF
NPU OPERAND TEST
RAM STANDARD
DMA PAGE REG TEST
DMA REGISTER TEST
DMAC Transfer TEST
PIC HALT INSTRUCTION
TEST
PIC REGISTER TEST
RTC CMOS RAM TEST
SPEAKER TEST
PIT CH0 TEST
PIT CH1 TEST
PIT CH2 TEST
KEYBOARD REG TEST
PS/2 MOUSE REG
SERIAL WRAP TEST
SERIAL ALL INTERNAL
TEST
PARALLEL REGISTER R/W
PCIC ALL TEST
Card Bus REG
USB REG
VGA ALL TEST
SVGA RAM TEST
VESA MODE TEST
FD WT/RD/WP TEST
HDD ALL TEST
ECP REGISTER R/W
EPP REGISTER R/W
EXT. CMOS R/W TEST
16-6
Contents
Address 20 line
Cache memory on/off
Floating point processor function
Memory standard
DMA page register
DMA register
DMA transfer test
Interrupt controller
Interrupt controller
Real time clock CMOS
Speaker
Interrupt timer CH0
Interrupt timer CH1
Interrupt timer CH2
Keyboard
Mouse
Serial loop back (jig required)
Serial port
Parallel register
PCIC
Card Bus port
USB port
VGA
SVGA RAM
VESA mode
FD write/read/write protection
Only HDD lead selected
Parallel port
Parallel port
Extension CMOS
Possible damaged or faulty part
Main board
Main board
Main board
Main board
Main board
Main board
Main board
Main board
Main board
Main board
Main board
LCD, main board, cable
Main board
LCD, main board, cable, connector
FD, cable, main board
HDD, main board, cable, connector
Main board, cable, connector
Main board, cable, connector
Main board