Apple macintosh iivx.vi.perf 600 Servicehandbuch
Specifications
I/O Devices - 6
I/O Devices
Keyboard
Standard or Extended Keyboard connected through Apple Desktop
Bus (ADB) ports (mini DIN-4)
Maximum power draw for all ADB devices: 500 mA
Keyboard draws 25–80 mA
Mouse
ADB mouse
Draws up to 80 mA
Microphone
Electret, omnidirectional microphone
Microphone output voltage is 4 mV peak to peak at normal
speaking volume