Master System Card

From HwB

Available at Sega Master System and SG-1000.

Also used for MyCard ??

[edit] Pinout 

 35            1
  34          2
+---------------+
|| | | | | | | ||
| | | | | | | | |
|               |
|               |
Pin Dir Name Description
1 --> +5V Power +5V
2  ? --> /WR Write
3  ? /MREQ Memory Request
4  ? --> /RD Read
5  ? /EXM1 Memory 8000-BFFF
6 --> A14 Address bit14
7 --> A13 Address bit13
8 --> A8 Address bit8
9 --> A9 Address bit9
10 --> A11 Address bit11
11  ? /EXM2 Memory 0000-7FFF
12 --> A10 Address bit10
13  ? /CE Cartridge Output Enable
14 <-> D7 Data bit7
15 <-> D6 Data bit6
16 <-> D5 Data bit5
17 <-> D4 Data bit4
18 <-> D3 Data bit3
19 --- GND Ground
20 --- GND Ground
21 --- GND Ground
22 <-> D2 Data bit2
23 <-> D1 Data bit1
24 <-> D0 Data bit0
25 --> A0 Address bit0
26 --> A1 Address bit1
27 --> A2 Address bit2
28 --> A3 Address bit3
29 --> A4 Address bit4
30 --> A5 Address bit5
31 --> A6 Address bit6
32 --> A7 Address bit7
33 --> A12 Address bit12
34  ? CONT  ?
35 --> +5V Power +5V

Note: Direction is Console relative Cartridge

[edit] Compatibility

Sega Master System II doesn't have this card slot. Some old card games were converted into cartridge games.

Capacity is 256Kb (32KB).

[edit] Sources

Retrieved from "http://www.hardwarebook.info/Master_System_Card"