Asus P5A-VM - Manual (Page 29)

ASUS P5A-VM User’s Manual 29
III. INSTALLATION
Connectors
III. INST
ALLA
TION
11. Chassis Intrusion Alarm Lead (4-1 pin CHASIS)
This requires an external detection mechanism such as a chassis intrusion moni-
tor/sensor or microswitch. The sensor is triggered when a high level signal is
sent to the CHASIS lead. This occurs when the side panel is opened or drive bay
doors are opened.
NOTE: When the chassis is opened, connect/short the Chassis Signal pin to the
+5VSB pin. When the chassis is closed, connect/short the Chassis Signal pin to
the Ground pin.
P5A-VM Chassis Open Alarm Lead
R
01
+5Volt (Power Supply Stand
Ground
Chassis Signal
TIP: You may configure two hard disks to be both Master drives using one ribbon
cable on the primary IDE connector and another ribbon cable on the secondary
IDE connector. You may install one operating system on an IDE drive and an-
other on a SCSI drive and select the boot disk through the BIOS features Setup.