5 . Hard disk activity LED connector (4-pin HDLED1)

This connector supplies power to the hard disk activity LED. The read or write activities of any device connected to the primary/secondary SCSI connectors or the SATA connectors cause this LED to light up.

P5CR-VM

HDLED1

1

SCSI_ACTLED+

SCSI_ACTLED-

SCSI_ACTLED-

SCSI_ACTLED+

P5CR-VM SCSI/SATA card activity LED connector

6 . USB connectors (10-1 pin USB34, USB56, USB78)

These connectors are for USB 2.0 ports. Connect the USB module cables to these connectors, then install the module to a slot opening at the back of the system chassis. The USB connectors comply with USB 2.0 specification that supports up to 480 Mbps connection speed.

P5CR-VM

P5CR-VM USB 2.0 connectors

USB34 USB56 USB78

USB+5V

USB 4-

USB 4+

GND

NC

USB+5V

USB 6-

USB 6+

GND

NC

USB+5V

USB 8-

USB 8+

GND

NC

USB+5V

USB 3-

USB 3+

USB+5V

 

USB+5V

USB 5-

USB 5+

USB+5V

 

USB+5V

USB 7-

USB 7+

USB+5V

 

Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard!

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Chapter 2: Hardware information