Распиновка, расположение выводов и внешний вид карт и микросхем памями:
30 pin SIMM
SIMM=Single Inline Memory Module.
(at the computer)
30 PIN SIMM at the computer.
Pin
Name
Description
1
VCC
+5 VDC
2
/CAS
Column Address Strobe
3
DQ0
Data 0
4
A0
Address 0
5
A1
Address 1
6
DQ1
Data 1
7
A2
Address 2
8
A3
Address 3
9
GND
Ground
10
DQ2
Data 2
11
A4
Address 4
12
A5
Address 5
13
DQ3
Data 3
14
A6
Address 6
15
A7
Address 7
16
DQ4
Data 4
17
A8
Address 8
18
A9
Address 9
19
A10
Address 10
20
DQ5
Data 5
21
/WE
Write Enable
22
GND
Ground
23
DQ6
Data 6
24
A11
Address 11
25
DQ7
Data 7
26
QP
Data Parity Out
27
/RAS
Row Address Strobe
28
/CASP
Something Parity ????
29
DP
Data Parity In
30
VCC
+5 VDC
Note: SIMM above is a 4MBx9.
QP & DP is N/C on SIMMs without parity.
A9 is N/C on 256kB.
A10 is N/C on 256kB & 1MB. A11 is N/C on 256kB, 1MB &
4MB.
Contributor:
Joakim Цgren,
Helfried Behrendt
Source:
comp.sys.ibm.pc.hardware.* FAQ Part 4, maintained by Ralph Valentino
Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-10