Mitsumi CD-ROM 在光驅和接口卡側的外觀為 40 腳插針：
連接電纜外觀為：
|
引腳定義 |
|
Pin |
Name |
Description |
|---|---|---|
|
1 |
A0 |
Address Bit 0 |
|
2 |
GND |
Ground |
|
3 |
A1 |
Address Bit 1 |
|
4 |
GND |
Ground |
|
5 |
n/c |
Not connected |
|
6 |
GND |
Ground |
|
7 |
n/c |
Not connected |
|
8 |
GND |
Ground |
|
9 |
n/c |
Not connected |
|
10 |
GND |
Ground |
|
11 |
n/c |
Not connected |
|
12 |
GND |
Ground |
|
13 |
INT |
Interrupt |
|
14 |
GND |
Ground |
|
15 |
REQ |
|
|
16 |
GND |
Ground |
|
17 |
ACK |
Data Acknowledge For DMA |
|
18 |
GND |
Ground |
|
19 |
RE |
Read Enable |
|
20 |
GND |
Ground |
|
21 |
WE |
Write Enable |
|
22 |
GND |
Ground |
|
23 |
EN |
Bus Enable |
|
24 |
GND |
Ground |
|
25 |
DB0 |
Data Bit 0 |
|
26 |
GND |
Ground |
|
27 |
DB1 |
Data Bit 1 |
|
28 |
GND |
Ground |
|
29 |
DB2 |
Data Bit 2 |
|
30 |
GND |
Ground |
|
31 |
DB3 |
Data Bit 3 |
|
32 |
GND |
Ground |
|
33 |
DB4 |
Data Bit 4 |
|
34 |
GND |
Ground |
|
35 |
DB5 |
Data Bit 5 |
|
36 |
GND |
Ground |
|
37 |
DB6 |
Data Bit 6 |
|
38 |
GND |
Ground |
|
39 |
DB7 |
Data Bit 7 |
|
40 |
GND |
Ground |