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Asus AP1720-E2 User Manual

Page 56

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Chapter 2: Hardware setup

2-36

Two-backplane configuration

In a two-backplane configuration:

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

Second backplane

68-pin SCSI connector

(with SCSI multi-mode terminator)

SMBus connector

(upper 6-1 pins)

(connects the SMB cable from the first backplane)

68-pin SCSI connector

(connects the SCSI cable to the
second backplane)

Power connectors

(connect power plugs
from the power supply)

68-pin SCSI connector

(connects the SCSI cable from the SCSI card)

SMBus connector

(upper 6-1 pins)

(connects the SMB cable from the
motherboard)

Fan connector

(for HDD fan)

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)

Power SMBus connector

(lower 6-1 pins)

(connects the SMB cable from the power supply,
if available)