Panasonic TOUGHBOOK CF-45 Series Service Manual page 41

4.3.2 Beep Error Code
CF-45
Ret. Page
No..| Beep' Sound Description Source of problem} Component Shematic
wih see, Diagrams
1 4-1-2 CPU register test failure CPU —=
2 1-1-3 CMOS write/read test failure ICt1 Main 9, 10
: : Ic11° Main'9, 10
3 1-1-4 BIOS ROM checksum failure 1c40 Main 25
4 1-2-1 Programmable Interval Timer test failure IC14 Main 9, 10
5. 1-2-2 DMA initiatization test in progress or failure iC11 Main 9, 10
6 1-2-3 DMA page register write/read test in progress ict Main 9, 10
. or failuré
7 1-2-4 RAM refresh verification failure Ics Main 4, 5
il IC7~10 Main 7
8 1-3-1 1st 64K aoe - failure Ics Main 4, 5
9 1-3-3 Slave DMA register test in progress or failure IC11 Main 9, 10
10 1-3-4, Master DMA register test in progress or failure IC11 Main 9, 10
1 1-4-1 Master interrupt mask register test failure (C11 Main 9, 10
12 Slave interrupt mask register test failure IC11 Main 9, 10
13 1-4-3 Interrupt vector loading failure Ic11 Main 9, 10
IC23 Main 18
14 1-4-4 Keyboard controller test failure 1C11 Main 9, 10
i ' Saver IC13 Main 12
16 2-1-3 Screen initiatization in progress Ic7~10 Main 7
16 Screen memory test in progress IC13 Main 12
17, Screen retrace tests in progress IC13 Main 12
18 Search for video ROM in progress C11 Main 9, 10
19 2m Timer tick interrupt test in progress or failure 111 Main 9, 10
20 2-3-4 Interval timer channel 2 test in progress or Ic11 'Main 9, 10
failure
21 2-3-2 RAM test in progress or failure above address ICS Main 4, 5
OFFFFH IC7~10 Main7
7 * C14 Main 9, 10
22 2-3-3 Time-of-Day clock test failure x2 Main 9
. . P Ic11 Main 9, 10
23 2-3-4 Seriai port test test in progress or faifure [ ic19 Main 16
fj P ct Main 9, 10
24 2-4-1 Parallel port test test in progress or failure Ic19 Main 16
25 2-4-2 Math Coprocessor test in progress or jaifure CPU
P progr Ic1t Main 9, 10