Gigabyte GA-X99-UD3 User Manual download pdf (Page 26)

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Hardware Installation

6) CPU_OPT (Water Cooling CPU Fan Header)

The fan header is 4-pin and possesses a foolproof insertion design. When connecting a fan cable, be sure to

connectitinthecorrectorientation(theblackconnectorwireisthegroundwire).Thespeedcontrolfunction

requires the use of a fan with fan speed control design.

Pin No. Denition

1 GND

2 Speed Control

3 Sense

4 VCC

DEBUG

PORT

G.QBOFM

CPU_OPT

7) SATA_EXPRESS (SATA Express Connector)

The SATA Express connector supports a single SATA Express device.

F_USB30

F_U

B_ 

F_  F_ 



_

B

BS_

B

SB_

B

_S



S_

_

B

_U

_

B





 

S  

 

123

 

123

 

123

 

123

BSS

S

_S 

SSU

 

1 2 3  

 S3

BSSS

U

 __ 3

F_USB3F

S  _

SF





B_

F

_0

S

S

_0F

_F

M2_10G, SATA Express, and SATA3 4/5 connectors can only be used one at a time. The SATA3 4/5 connectors

will become unavailable when an M.2 SSD is installed.

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Gigabyte GA-X99-UD3 User Manual Page 26

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