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Jumper Setup
SGPIO Jumper (J2)
Please use the jumper to select the SGPIO singal mode depending on the backplanes you
use.
2
4
1
3
Mode 1: (Default)
4 x 12-bit SGPIO signals
Signal Grouping
Group
1
HDD1~HDD4
2
HDD5~HDD8
3
HDD9~HDD12
4
HDD13~HDD16
32
6
7
5
Mode 2:
2 x 24-bit SGPIO signals
HDD
Function
DATAOUT
DATAIN
CLOCK
LOAD
DATAOUT
DATAIN
CLOCK
LOAD
DATAOUT
DATAIN
CLOCK
LOAD
DATAOUT
DATAIN
CLOCK
LOAD
2
4
6
7
1
3
5
Mode 3:
16 x GPIO signals
Mode 1
Corresponding Pin on the J3 Header
SDATAOUT1_E2
SDATAIN1_E1
SCLOCK1_E3
SLOAD1_E4
SDATAOUT2_E6
SDATAIN2_E5
SCLOCK2_E7
SLOAD2_E8
SDATAOUT3_E10
SDATAIN3_E9
SCLOCK3_E11
SLOAD3_E12
SDATAOUT4_E14
SDATAIN4_E13
SCLOCK4_E15
SLOAD2_E16
2
4
6
7
1
3
5
Pin7
Pin5
Pin9
Pin11
Pin15
Pin13
Pin17
Pin19
Pin8
Pin4
Pin10
Pin12
Pin16
Pin14
Pin18
Pin20
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