Asus P2B-B User Manual page 28

5. Primary / Secondary IDE connectors (Two 40-1 pin IDE)
These connectors support the provided IDE hard disk ribbon cable.
After connecting the single end to the board, connect the two plugs at the other
end to your hard disk(s). If you install two hard disks, you must configure the
second drive to Slave mode by setting its jumper accordingly. Please refer to the
documentation of your hard disk for the jumper settings. BIOS now supports
SCSI device or IDE CD-ROM bootup (see "HDD Sequence SCSI/IDE First" &
"Boot Sequence" in the BIOS Features Setup of the BIOS SOFTWARE) (Pin
20 is removed to prevent inserting in the wrong orientation when using
ribbon cables with pin 20 plugged).
TIP: You may configure two hard disks to be both Masters using one ribbon
cable on the primary IDE connector and another ribbon cable on the secondary
IDE connector. You may install up to four operating systems on each IDE drive
and select the boot disk through "Boot Sequence" in the BIOS Features Setup.
P2B-B IDE Connectors
6. IDE activity LED (2-pin IDELED)
This connector supplies power to the cabinet's IDE activity LED. Read and
write activity by devices connected to the Primary or Secondary IDE connectors
will cause the LED to light up.
P2B-B IDE Activity LED
28
III. INSTALLATION
Pin 1
NOTE: Orient the red markings (usually zigzag)
on the IDE ribbon cable to pin 1
TIP: If the case-mounted LED does not light,
try reversing the 2-pin plug.
IDELED
ASUS P2B-B User's Manual
Secondary IDE Connector
Primary IDE Connector