Service manual

Table A-19 C207 MAIN Board CN11 (ROM Bus)
Pin Signal Name I/O Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
+5V
+5V
+5V
+5V
D0
D16
D1
D17
D2
D18
D3
D19
D4
D20
D5
D21
D6
D22
D7
D23
D8
D24
D9
D25
D10
D26
D11
D27
D12
D28
D13
D29
D14
D30
D15
D31
GND
GND
CSI0X
CSI2X
CS00X
CS01X
RDX
WRX
BWE0X
BWE2X
BWE1X
BWE3X
A0
A1
A2
A3
A4
A5
A6
-
-
-
-
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
-
-
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Power source
Power source
Power source
Power source
Data bit 0
Data bit 16
Data bit 1
Data bit 17
Data bit 2
Data bit 18
Data bit 3
Data bit 19
Data bit 4
Data bit 20
Data bit 5
Data bit 21
Data bit 6
Data bit 22
Data bit 7
Data bit 23
Data bit 8
Data bit 24
Data bit 9
Data bit 25
Data bit 10
Data bit 26
Data bit 11
Data bit 27
Data bit 12
Data bit 28
Data bit 13
Data bit 29
Data bit 14
Data bit 30
Data bit 15
Data bit 31
Ground
Ground
Select signal (input)
Select signal (input) (not used)
Select signal (output) (not used)
Select signal (output) (not used)
Read signal
Write signal
Bite enable signal
Bite enable signal (not used)
Bite enable signal (not used)
Bite enable signal (not used)
Address bit 0
Address bit 1
Address bit 2
Address bit 3
Address bit 4
Address bit 5
Address bit 6
Appendix EPL-N2000 Service Manual
A-12 Rev. A