Two-backplane configuration

In a two-backplaneconfiguration:

the upper SCSI interface of the first backplane connects to the SCSI card

the lower SCSI interface connects to the upper SCSI interface of the second backplane

a SCSI multi-mode terminator (LVD/SE) is placed on the lower SCSI interface of the second backplane

First backplane

Power connectors

(connect power plugs from the power supply)

Fan connector (for HDD fan)

SMBus connector (upper 6-1 pins)

(connects the SMB cable from the motherboard)

SMBus connector (lower 6-1 pins)

(connects the SMB cable to the second backplane)

68-pin SCSI connector

(connects the SCSI cable from the SCSI card)

Second backplane

68-pin SCSI connector

(connects the SCSI cable to the second backplane)

SMBus connector (upper 6-1 pins)

(connects the SMB cable from the first backplane)

68-pin SCSI connector

(connects the SCSI cable from the first backplane)

68-pin SCSI connector

(with SCSI multi-mode terminator)

ASUS AP1720-E1 barebone server

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