Users Manual

ASUS KFSN4-DRE Series 2-21
4. Fan control setting (3-pin FAN_SEL1)
This jumper allows you to switch for fan pin selection. Set to pins 1-2 for 4-pin
fans or pins 2-3 for 3-pin fans.
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KFSN4-DRE Series Fan setting
FAN_SEL1
1 2 2 3
4-PIN FAN
(Default)
3-PIN FAN
• 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.
5. Onboard storage setting (3-pin SAS_EN1)
(KFSN4-DRE/SAS model only)
This jumper allows you to enable or disable the onboard LSI1064E SAS
controller. Set the jumper to pins 1-2 to enable the SAS function (default).
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2 31 2
KFSN4-DRE Series SAS setting
SAS_EN1
Enable
(Default)
Disable