Specifications

CHAPTER 4
Expansion Modules
36 Expansion Bay
Signals on the CD-ROM Connector 4
Table 4-4 shows the signal assignments on the CD-ROM connector. Signal names that
begin with a slash (/) are active low.
An IDE hard disk drive in an expansion module uses the CD-ROM connector. Table 4-5
shows the signal assignments for a hard disk drive. The table shows the signal pins both
Table 4-4 Signal assignments on the CD-ROM connector
Pin Signal name Pin Signal name
1 /MB_IDE_RST 2 GND
3 IDE_D(7) 4 IDE_D(8)
5 IDE_D(6) 6 IDE_D(9)
7 IDE_D(5) 8 IDE_D(10)
9 IDE_D(4) 10 IDE_D(11)
11 IDE_D(3) 12 IDE_D(12)
13 IDE_D(2) 14 IDE_D(13)
15 IDE_D(1) 16 IDE_D(14)
17 IDE_D(0) 18 IDE_D(15)
19 DEV_ID(2) 20 /DEV_IN
21 /DIOW 22 /DIOR
23 IOCHRDY 24 GND
25 GND 26 IDE_INTRQ
27 DEV_ID(1) 28 IDE_ADDR(1)
29 DEV_ID(0) 30 IDE_ADDR(0)
31 IDE_ADDR(2) 32 /CS1FX
33 /CS3FX 34 n.c.
35 MB_+5V 36 MB_+5V
37 MB_SND_L 38 MB_SND_COM
39 MB_SND_COM 40 MB_SND_R