Интерфейс 72 pin SIMM - разводка кабеля, техническая информация, описание
72 pin SIMM
SIMM=Single Inline Memory Module
(at the computer)
72 PIN SIMM at the computer.
Pin |
Non-Parity |
Parity |
Description |
1 |
VSS |
VSS |
Ground |
2 |
DQ0 |
DQ0 |
Data 0 |
3 |
DQ16 |
DQ16 |
Data 16 |
4 |
DQ1 |
DQ1 |
Data 1 |
5 |
DQ17 |
DQ17 |
Data 17 |
6 |
DQ2 |
DQ2 |
Data 2 |
7 |
DQ18 |
DQ18 |
Data 18 |
8 |
DQ3 |
DQ3 |
Data 3 |
9 |
DQ19 |
DQ19 |
Data 19 |
10 |
VCC |
VCC |
+5 VDC |
11 |
n/c |
n/c |
Not connected |
12 |
A0 |
A0 |
Address 0 |
13 |
A1 |
A1 |
Address 1 |
14 |
A2 |
A2 |
Address 2 |
15 |
A3 |
A3 |
Address 3 |
16 |
A4 |
A4 |
Address 4 |
17 |
A5 |
A5 |
Address 5 |
18 |
A6 |
A6 |
Address 6 |
19 |
A10 |
A10 |
Address 10 |
20 |
DQ4 |
DQ4 |
Data 4 |
21 |
DQ20 |
DQ20 |
Data 20 |
22 |
DQ5 |
DQ5 |
Data 5 |
23 |
DQ21 |
DQ21 |
Data 21 |
24 |
DQ6 |
DQ6 |
Data 6 |
25 |
DQ22 |
DQ22 |
Data 22 |
26 |
DQ7 |
DQ7 |
Data 7 |
27 |
DQ23 |
DQ23 |
Data 23 |
28 |
A7 |
A7 |
Address 7 |
29 |
A11 |
A11 |
Address 11 |
30 |
VCC |
VCC |
+5 VDC |
31 |
A8 |
A8 |
Address 8 |
32 |
A9 |
A9 |
Address 9 |
33 |
/RAS3 |
/RAS3 |
Row Address Strobe 3 |
34 |
/RAS2 |
/RAS2 |
Row Address Strobe 2 |
35 |
n/c |
PQ3 |
Parity bit 3 (for the 3rd byte, bits 16-23) |
36 |
n/c |
PQ1 |
Parity bit 1 (for the 1st byte, bits 0-7) |
37 |
n/c |
PQ2 |
Parity bit 2 (for the 2nd byte, bits 8-15) |
38 |
n/c |
PQ4 |
Parity bit 4 (for the 4th byte, bits 24-31) |
39 |
VSS |
VSS |
Ground |
40 |
/CAS0 |
/CAS0 |
Column Address Strobe 0 |
41 |
/CAS2 |
/CAS2 |
Column Address Strobe 2 |
42 |
/CAS3 |
/CAS3 |
Column Address Strobe 3 |
43 |
/CAS1 |
/CAS1 |
Column Address Strobe 1 |
44 |
/RAS0 |
/RAS0 |
Row Address Strobe 0 |
45 |
/RAS1 |
/RAS1 |
Row Address Strobe 1 |
46 |
n/c |
n/c |
Not connected |
47 |
/WE |
/WE |
Read/Write |
48 |
n/c |
n/c |
Not connected |
49 |
DQ8 |
DQ8 |
Data 8 |
50 |
DQ24 |
DQ24 |
Data 24 |
51 |
DQ9 |
DQ9 |
Data 9 |
52 |
DQ25 |
DQ25 |
Data 25 |
53 |
DQ10 |
DQ10 |
Data 10 |
54 |
DQ26 |
DQ26 |
Data 26 |
55 |
DQ11 |
DQ11 |
Data 11 |
56 |
DQ27 |
DQ27 |
Data 27 |
57 |
DQ12 |
DQ12 |
Data 12 |
58 |
DQ28 |
DQ28 |
Data 28 |
59 |
VCC |
VCC |
+5 VDC |
60 |
DQ29 |
DQ29 |
Data 29 |
61 |
DQ13 |
DQ13 |
Data 13 |
62 |
DQ30 |
DQ30 |
Data 30 |
63 |
DQ14 |
DQ14 |
Data 14 |
64 |
DQ31 |
DQ31 |
Data 31 |
65 |
DQ16 |
DQ16 |
Data 16 |
66 |
n/c |
n/c |
Not connected |
67 |
PD1 |
PD1 |
Presence Detect 1 |
68 |
PD2 |
PD2 |
Presence Detect 2 |
69 |
PD3 |
PD3 |
Presence Detect 3 |
70 |
PD4 |
PD4 |
Presence Detect 4 |
71 |
n/c |
n/c |
Not connected |
72 |
VSS |
VSS |
Ground |
Size:
PD2 |
PD1 |
Size |
GND |
GND |
4 or 64 MB |
GND |
NC |
2 or 32 MB |
NC |
GND |
1 or 16 MB |
NC |
NC |
8 MB |
Accesstime:
PD4 |
PD3 |
Accesstime |
GND |
GND |
50, 100 ns |
GND |
NC |
80 ns |
NC |
GND |
70 ns |
NC |
NC |
60 ns |
Notes: A9 is a N/C on 256k and 512k modules.
A10 is a N/C on 256k, 512k, 1M and 4M modules.
RAS1/RAS3 are N/C on 256k, 1M and 4M modules.
Информация предоставлена справочником The Hardware Book Team 1996-2004.
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