AOpen D X37PU-EG-E0110A Connecting 68-pin Ultra 160 Scsi Cable, Connecting CD / AUX Connector

10. Connecting 68-pin Ultra 160 SCSI Cable

The DX37Plus -U provides two 68-pin Ultra Wide/Ultra 2/3 SCSI connectors for 16-bit or 16-bit differential SCSI devices.

SW1(3)	On	Disable SCSI Ch A
		Terminator
SW1(4)	On	Disable SCSI Ch B
		Terminator

A Terminator

B Terminator

11. Connecting SCSI Card LED Connector

The 4-pin SCSI LED connector can be connected to a PCI SCSI control card activity LED connector. Read or write activity by devices connected to the SCSI card will transfer a signal to Front Panel and thus making the LED lighting up.

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	12. Connecting CD / AUX Connector
CD- IN (Black)		The AUX-INconnector is used to connect MPEG
		Audio cable from MPEG card to onboard sound.
		The CD-INconnector is used to connect CD Audio
		cable from CDROM or DVD drive to onboard sound.

AUX-IN (Green)

Connector	Pin1	Pin2	Pin3	Pin4
AUX-IN	Left	GND	GND	Right
CD-IN	Left	GND	GND	Right
	Low	ESR capacitor

13. Redundant SPS Monitoring Connector

This motherboard implements Redundant SPS monitoring connector to provide hardware monitoring signals . It is feasible to install an additional 337-watt power supply module (optional with AOpen Server Housing) in a hot swappable configuration. If any SPS failed, a signal will be sent to a hardware monitoring device.

+

+

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SCSI Card

LED Connector

14	13
+12V
Present 3
GND
5VSB
Present 2
Fan 2 Fail
PS 2 Fail
2	1

Fan 3 Fail

PS 3 Fail

PS ON

Present1

I2C CLK

Fan 1 Fail

PS1 Fail