Asus RS500A-X6 PS4 User Guide - Page 52

Fan control setting 3-pin FAN_SEL1, DDR3 voltage setting 4-pin LVDDR3_SEL1/2

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8. Fan control setting (3-pin FAN_SEL1) This jumper allows you to switch for fan pin selection. Set to pins 1-2 when using 4-pin fans or pins 2-3 when using 3-pin fans. • If you use a 4-pin fan but set the jumper to pin 2-3, the fan you installed may not work. • If you use a 3-pin fan but set the jumper for a 4-pin fan, the fan controll will not work and the fan you installed will always run at full speed. 9. DDR3 voltage setting (4-pin LVDDR3_SEL1/2) These jumpers allow you to select DDR3 DIMM voltage settings. Place the jumper caps on pins 1-2 if you want to control DDR3 voltage by BIOS settings (default). Place the jumper caps on pins 2-3 to force the DDR3 DIMMs to run at +1.2V. Or you can place the jumper caps on pins 3-4 to force the DDR3 DIMMs to run at +1.35V. 4-8 Chapter 4: Motherboard information

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4-8
Chapter 4: Motherboard information
8.
Fan control setting (3-pin FAN_SEL1)
This jumper allows you to switch for fan pin selection. Set to pins 1–2 when
using 4-pin fans or pins 2–3 when using 3-pin fans.
•
If you use a 4-pin fan but set the jumper to pin 2-3, the fan you installed
may not work.
•
If you use a 3-pin fan but set the jumper for a 4-pin fan, the fan controll will
not work and the fan you installed will always run at full speed.
9.
DDR3 voltage setting (4-pin LVDDR3_SEL1/2)
These jumpers allow you to select DDR3 DIMM voltage settings. Place
the jumper caps on pins 1–2 if you want to control DDR3 voltage by BIOS
settings (default). Place the jumper caps on pins 2–3 to force the DDR3
DIMMs to run at +1.2V. Or you can place the jumper caps on pins 3–4 to
force the DDR3 DIMMs to run at +1.35V.