Biostar M7SXD M7SXD user's manual - Page 29

DIMM Power Voltage Selection: JDIMMPWR1, DDR DIMM Voltage

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Chapter 1 Motherboard Description (USB20A1)(Optional) Pin Assignment 1 +5V 3 USB1 Data(-) 5 USB1 Data(+) 7 Ground 9 KEY Pin Assignment 2 +5V 4 USB2 Data(-) 6 USB2 Data(+) 8 Ground 10 NC (USB20B1)(Optional) Pin Assignment 1 +5V 3 USB3 Data(-) 5 USB3 Data(+) 7 Ground 9 KEY Pin Assignment 2 +5V 4 USB4 Data(-) 6 USB4 Data(+) 8 Ground 10 NC 1.6.10 DIMM Power Voltage Selection: JDIMMPWR1 Pin DDR DIMM Voltage 1-2 +2.55V (Default) 3-4 +2.65V 5-6 +2.75V 7-8 +2.85V * It's strongly recommended to set DDR DIMM voltage in default setting 2.55V. 1-24

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Chapter 1
Motherboard Description
1-24
(USB20A1)(Optional)
Pin
Assignment
Pin
Assignment
1
+5V
2
+5V
3
USB1 Data(-)
4
USB2 Data(-)
5
USB1 Data(+)
6
USB2 Data(+)
7
Ground
8
Ground
9
KEY
10
NC
(USB20B1)(Optional)
Pin
Assignment
Pin
Assignment
1
+5V
2
+5V
3
USB3 Data(-)
4
USB4 Data(-)
5
USB3 Data(+)
6
USB4 Data(+)
7
Ground
8
Ground
9
KEY
10
NC
1.6.10 DIMM Power Voltage Selection: JDIMMPWR1
Pin
DDR DIMM Voltage
1-2
+2.55V (Default)
3-4
+2.65V
5-6
+2.75V
7-8
+2.85V
* It’s strongly recommended to set DDR DIMM voltage in default setting 2.55V.