Changes between Version 4 and Version 5 of OldMacPeripherals
- Timestamp:
- 2009-05-01T12:48:45Z (16 years ago)
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OldMacPeripherals
v4 v5 1 = = Legacy Macintosh Peripherals ==1 = Legacy Macintosh Peripherals = 2 2 3 3 Legacy Macintosh devices are connected via the [http://en.wikipedia.org/wiki/Apple_Desktop_Bus Apple Desktop Bus] (ADB). This is a simple serial bus that can connect multiple devices. Protocols for devices (such as keyboard, mouse) are specified, too. … … 5 5 The ADB controller in the Macs is called CUDA (not to be confused with nVidia CUDA). It is implemented by a Motorola MC6800 micro-controller, which is probably not important from a device-driver point of view. The chip which connects the Mac's I/O space to the CUDA is a [http://en.wikipedia.org/wiki/MOS_Technology_6522 MOS Technology 6522], also called VIA (Versatille Interface Adapter). 6 6 7 == = Links ===7 == Links == 8 8 9 9 * [http://developer.apple.com/technotes/hw/hw_01.html Apple Documentation of the ADB protocol] (including device protocols)