Adaptec SBC-599 - Manual (Page 31)

Chapter 2 Installation Guide 21
Fan power supply connector (CN5)
CN5 provides power supply to optional CPU cooling fan. Only
present when +12 V power is supplied to the board.
SCSI connectors (CN6, CN7)
(SBC-599 only)
The SBC-599 has a 50-pin, dual-in-line connector for Ultra
SCSI devices and a 68-pin, dual-in-line connector for Ultra
Wide SCSI devices. Connection of SCSI devices requires
special attention, especially when determining the last drive on
the SCSI chain. Refer to Chapter 6 and your device’s operating
manual for detailed installation advice.
IDE hard drive connector (CN8, CN9)
You can attach up to four Enhanced Integrated Device Electron-
ics hard disk drives to the SBC-596/599 internal controller. The
SBC-596/599 IDE controller uses a PCI local-bus interface.
This advanced IDE controller supports faster data transfer and
allows the IDE hard drive to exceed 528 MB.
CN8 is the primary IDE connector, CN9 is the secondary IDE
connector. Each connector supports up to two EIDE hard disk
drives.
Connecting the hard drive
The way to connecting drives to primary IDE connector or
secondary IDE connector is same.
Wire number 1 on the cable is red or blue, and the other wires are
gray.