IBM 6268 Personal Computer User Manual


 
Appendix A. Connector pin assignments
Figure 20 (Page 2 of 3). System memory connector pin input/output
Pin Signal Name I/O Pin Signal Name I/O
12 GND N/A 96 GND N/A
13 MD9 I/O 97 MD41 I/O
14 MD10 I/O 98 MD42 I/O
15 MD11 I/O 99 MD43 I/O
16 MD12 I/O 100 MD44 I/O
17 MD13 I/O 101 MD45 I/O
18 VDD N/A 102 VDD N/A
19 MD14 I/O 103 MD46 I/O
20 MD15 I/O 104 MD47 I/O
21 NC I/O 105 NC I/O
22 NC I/O 106 NC I/O
23 GND I/O 107 GND N/A
24 NC N/A 108 NC N/A
25 NC N/A 109 NC N/A
26 VDD N/A 110 VDD N/A
27 WE# I 111 CAS# N/A
28 DQMB0# I 112 DQMB4# I
29 DQMB1# I 113 DQMB4# I
30 S0# I 114 S1# I
31 OE0# i 115 RAS# N/A
32 GND N/A 116 GND N/A
33 A0 I 117 A1 I
34 A2 I 118 A3 I
35 A4 I 119 A5 I
36 A6 I 120 A7 I
37 A8 I 121 A9 I
38 A10/AP I 122 A11 I
39 NC BA1 123 NC A11
40 VDD N/A 124 VDD N/A
41 NC N/A 125 CK1 N/A
42 CK0 N/A 126 A14 O
43 GND N/A 127 GND N/A
44 OE2# I 128 CKE0 N/A
45 S2# I 129 S3# I
46 DQMB2# I 130 DQMB6# I
47 DQMB3# I 131 DQMB7# I
48 WE2# I 132 A15 I
49 VDD N/A 133 VDD N/A
50 NC N/A 134 NC N/A
51 NC N/A 135 NC N/A
52 NC I/O 136 NC I/O
53 NC I/O 137 NC I/O
54 GND NA 138 GND N/A
28 Technical Information Manual