Macintosh Mouse connector

#Computer#Input Peripherals

This connector is present on the Macintosh 128K, 512K, 512K enhanced, and Macintosh Plus.

9 pin D-SUB FEMALE connector pin-out & layout

9 pin D-SUB FEMALE connector  at the computer

PinNameDirDescription
1CGND---Chassis ground
2+5V-->+5 VDC
3SGND---Signal ground
4X2<--Horizontal movement line (connected to VIA PB4 line)
5X1<--Horizontal movement line (connected to SCC DCDA-line)
6n/c-Not connected
7SW-<--Mouse button line (connected to VIA PB3)
8Y2<--Vertical movement line (connected to VIA PB5 line)
9Y1<--Vertical movement line (connected to SCC DCDB-line)
Note: Direction is Computer relative Mouse.

Macintosh Keyboard connector

Matrox G450 eTV S-video/composite connector