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Chapter 2: Hardware information
Some pins are used for connectors or power sources. These are
clearly distinguished from jumpers in the Motherboard Layout. Placing
jumper caps over these connector pins will cause damage to your
motherboard.
Always connect ribbon cables with the red stripe to Pin 1 on the
connectors. Pin 1 is usually on the side closest to the power connector
on hard drives and CD-ROM drives, but may be on the opposite side
on floppy disk drives.
8. IDE Activity LED (2-pin IDELED)
This connector supplies power to the hard disk activity LED. The read or
write activities of any device connected to the primary or secondary IDE
connector cause this LED to light up.
P4T533-C
P4T533-C HD Activity LED
TIP: If the case-mounted LED does not
light, try reversing the 2-pin plug.
IDE_LED