Technical information
CHAPTER 4
Expansion Features
Expansion Bay 63
Expansion Bay Signal Definitions 4
The signals on the expansion bay connector are of three types: expansion bay
audio and control signals, floppy disk signals, and ATA signals. The next three
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
Table 4-1 Signals on the expansion bay connector (continued)
Pin Direction Signal name Pin Direction Signal name