User`s guide

5-28
NovaScale R422-E2/R422-INF-E2 Installation and User's Guide
4-pin Auxiliary Power Connector
In addition to two 20-pin power connectors, a
4-pin 12V PWR supply is located at JP10 on the
motherboard. This power connector is used to
provide power supply to hard drive disks. Refer to
the layout below for the location.
Note 1: The 4-pin Auxiliary Power Connector
is used for power supply output to HDDs
only.
Note 2: The black square (dot) on the power
connector indicates the location of Pin 1.
(See the pictures below for the power cable
connections.)
4-pinPowerPinDenitions
Pin# Denition
1 +12V
2 Ground
3 Ground
4 +5V
Required Connection
A: 4-pin Aux. PWR
B: One male (receptacle) PWR Connector
C & D: Two female PWR connectors