Signal assignments for the NuBus row B listed below.
Refer here for NuBus Signal assignments row A, or NuBus Signal pin out row C

Pin # Signal Name Description
1 -12 V -12 VDC
2 GND Ground
3 GND Ground
4 +5 V +5 VDC
5 +5 V +5 VDC
6 +5 V +5 VDC
7 +5 V +5 VDC
8 * Reserved
9 * Reserved
10 * Reserved
11 * Reserved
12 GND Ground
13 GND Ground
14 GND Ground
15 GND Ground
16 GND Ground
17 GND Ground
18 GND Ground
19 GND Ground
20 GND Ground
21 GND Ground
22 GND Ground
23 GND Ground
24 ** Reserved
25 ** Reserved
26 ** Reserved
27 ** Reserved
28 +5 V +5 VDC
29 +5 V +5 VDC
30 GND Ground
31 GND Ground
32 +12 V  

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The slash before each of the signal names indicate that the line is active low.
Back to the main NuBus page for a bus description.
This interface is obsolete and should not be used in new designs.
Additional pinout tables for Apple protocols are listed on Apple Computer Buses.


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Last Modified 2/8/08
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