User guide

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4x1 Hardware Port Multiplier (AD4SR5HPMU-E)
LED pins
Pin 1
SATA
Port 2
SATA
Port 3
SATA
Port 1
SATA
Port 4
USB port connection
to any USB controller
RAID config rotary switch
RAID setting button
eSATA Port
PM Health LED
eSATA LED
USB LED
USB 5-Pin Header
Pin 1
LED Pin Assignment
Rotary Switch
LED Status
Drive Activity LED: Always ON. The LED blinks when there is drive activity.
PM Health: Always OFF when RAID volume is working correctly. The LED starts
blinking when the RAID volume is degraded.
PM Power: Always ON when power is provided to the HPM.
USB Status: ON when USB port is connected.
eSATA Status: ON when eSATA port is connected.
USB 5-Pin Header Pin Assignment
Instruction for Special RAID Modes
BIG 2 - 2 Drives Spanned
o Note: Do not connect more than 2 SATA drives to the hardware port
multiplier. Doing so will hang the system when you configure the raid.
o For SATA drives with different capacities, the hardware port multiplier will
use the smallest drive capacity of the 2 drives connected to create the total
partition size.
FAST 2 - 2 Drives Striped
Note: Do not connect more than 2 SATA drives to the hardware port multiplier.
Doing so will hang the system when you configure the raid.