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Signals on the Expansion Bay Connector

Table 4-1 shows the signal assignments on the expansion bay connector. Signal names that begin with a slash (/) are active low.

Note

The table shows the signals in the same arrangement as the pins on the connector; that is, with pin 1 next to pin 31 and pin 30 next to pin 60.

Table 4-1 Signals on the expansion bay connector 

Pin

Direction

Signal name

Pin

Direction

Signal name

1 I MB1_SND_IN_R 31 I/O IDE_D(12)
2 I MB_SND_IN_COM 32 GND
3 I MB1_SND_IN_L 33 I/O IDE_D(14)
4 GND 34 I/O IDE_D(10)
5 /IOCHRDY 35 +5V
6 +5V 36 I/O IDE_D(9)
7 DIOW 37 GND
8 GND 38 I/O IDE_D(8)
9 I/O IDE_D(0) 39 I/O IDE_D(11)
10 IDE_INTRQ 40 +5V
11 O IDE_ADDR(1) 41 I/O IDE_D(13)
12 GND 42 GND
13 O IDE_ADDR(0) 43 I/O IDE_D(2)
14 O /CS1FX 44 I/O IDE_D(1)
15 +5V 45 /CS3FX
16 I/O IDE_D(3) 46 GND
17 I/O IDE_D(4) 47 IDE_ADDR(2)
18 GND 48 O /DMACK
19 I/O IDE_D(5) 49 GND
20 I/O IDE_D(6) 50 /DIOR
21 +5V 51 DMARQ
22 I/O IDE_D(7) 52 +5V
23 /IDE_RST 53 I/O IDE_D(15)
24 GND 54 GND
25 Reserved 55 Reserved
26 +5V 56 +5V
27 Reserved 57 DEVID(0)
28 GND 58 DEVID(1)
29 I/O MB_USB_DP 59 DEVID(2)
30 I/O MB_USB_DM 60 /DEVIN

© 1999 Apple Computer, Inc. – (Last Updated 29 April 99)