Gasboy CFN Series Diagnostic Manual - Manual (Page 393)

CFN Islander
12/26/02 13-25
Connectors
P1 CPU PCB Interface
Pinout Pin Function Voltage
1-4 DC ground DC ground
5 A13-Address line 13

+5 VDC - On
6 A14-Address line 14 
+5 VDC - On
7 BSTAT1 - Battery 1 Status  +5 VDC - Normal, 0 VDC - Fail
8 BSTAT2 - Battery 2 Status  +5 VDC - Normal, 0 VDC - Fail
9-10 VBB - Battery voltage from memory PCB 0 VDC
11 DCFL - DC power fail +5 VDC - Normal, 0 VDC - Fail
12 S18 - Paged memory bank 18 select  0 VDC - On
13 R/W 
0 VDC - Write
14 CLKE - Memory clock 
+5 VDC signal
15 S17 - Paged memory bank 17 select  0 VDC - On
16 A12 - Address 12

+5 VDC - On
17 MEMIN - Not used, grounded on memory PCB 0 VDC - Normal
18 A11 - Address 11 
+5 VDC - On
19 MRDY - extends access time for slower memory devices  0 VDC - On
20 A10 - Address 10 
+5 VDC - On
21 N/C +5 VDC - Normal
22 A9 - Address 9  +5 VDC signal
23 R/W

+5 VDC - Write
24 A8- Address 8 
+5 VDC - On
25 S15 - Paged memory bank 15 select  0 VDC - On
26 A7 - Address 7  +5 VDC - On
27 S14 - Paged memory bank 14 select 
0 VDC - On
28 A6 - Address 6 
+5 VDC - On
29 S13 - Paged memory bank 13 select  0 VDC - On
30 A5 - Address 5 
+5 VDC - On
31 S12 - Paged memory bank 12 select 
0 VDC - On
32 A4 - Address 4  +5 VDC - On
33 S11 - Paged memory bank 11 select

0 VDC - On
34 A3 - Address 3 
+5 VDC - On
35 S10 - Paged memory bank 10 select 
0 VDC - On
36 A2 - Address 2  +5 VDC - On
37 S9- Paged memory bank 9 select 
0 VDC - On
38 A1 - Address 1 
+5 VDC - On
39 S8 - Paged memory bank 8 select  0 VDC - On
40 A0 - Address 0

+5 VDC - On
41 S7 - Paged memory bank 7 select 
0 VDC - On
42 D7 - Data 7  +5 VDC - On
43 S6 - Paged memory bank 6 select  0 VDC - On
44 D6 - Data 6 
+5 VDC - On
45 S5 - Paged memory bank 5 select 
0 VDC - On
46 D5 - Data 5  +5 VDC - On
47 S4 - Paged memory bank 4 select 
0 VDC - On
48 D4 - Data 4 
+5 VDC - On
49 S3 - Paged memory bank 3 select  0 VDC - On
50 D3 - Data 3

+5 VDC - On
51 S2 - Paged memory bank 2 select 
0 VDC - On
52 D2 - Data 2  +5 VDC - On
53 S1 - Paged memory bank 0 select 
0 VDC - On
54 D1 - Data 1 
+5 VDC - On