Olivetti PG L22 Special, Service Manual, Page: 88 / 165

Y103920-3 Service Manual
88
• RAM_DIMM Connector Pin Assignment
* O
I
C
: Out
: In
: Common
Pin No.
01
02
03
04
05
06
07
08
09
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
I/O*
C
O
C
C
O
O
O
O
C
C
O
O
O
O
O
O
O
O
Signal
SG
NC
NC
NC
NC
NC
NC
NC
NC
+3.3V
NC
NC
NC
NC
SG
SG
NC
NC
PERIRD-N
NC
NC
RAM_CS2-N
NC
SAD3
RAM_CLK1
SAD2
SG
SG
SAD4
+3.3V
SAD5
SAD1
SAD6
SAD0
SAD7
SAD10
Function
Ground
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
+3.3V
N.C.
N.C.
N.C.
N.C.
Ground
Ground
N.C.
N.C.
N.C.
N.C.
N.C.
Chip select 2
N.C.
Address Bus 3
Clock
Address Bus 2
Ground
Ground
Address Bus 4
+3.3v
Address Bus 5
Address Bus 1
Address Bus 6
Address Bus 0
Address Bus 7
Address Bus 10
01
03
05
07
09
11
13
15
17
19
21
23
25
27
29
31
33
35
02
04
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
Pin No.
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
I/O*
O
O
C
C
O
O
O
O
O
O
C
O
O
O
O
I/O
O
I/O
I/O
I/O
I/O
I/O
I/O
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
C
Signal
SAD8
SAD13
SG
SG
SAD9
SAD12
SAD11
RAM_CS1-N
PERIWR-N
RAM_RAS-N
RAM_CKE-N
SG
RAM_CLK1
RAM_CAS-N
RAM_DQM1
RAM_WE-N
SDT8
RAM_DQM0
SDT9
SDT7
SDT10
SDT6
SDT11
SDT5
+3.3V
SDT4
SDT12
SDT3
SDT13
SDT2
SDT14
SDT1
SDT15
SDT0
OPRAM-N
SG
Function
Address Bus 8
Address Bus 13
Ground
Ground
Address Bus 9
Address Bus 12
Address Bus 11
Chip select 1
Address Bus 14
Row Address
Clock Enable
Ground
Clock
Column Address Strobe
Byte Enable 1
Write Enable
Data Bus 8
Write Enable 0
Data Bus 9
Data Bus 7
Data Bus 10
Data Bus 6
Data Bus 11
Data Bus 5
+3.3v
Data Bus 4
Data Bus 12
Data Bus 3
Data Bus 13
Data Bus 2
Data Bus 14
Data Bus 1
Data Bus 15
Data Bus 0
RAM-DIMM Detect
Ground
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72