Chapter 2, Seral port connector: jcom1, Fan power connectors: cpufan,sysfan1~2 – MSI H55M-E21 User Manual
Page 30: Important
2-14
Hardware Setup
MS-7636
Chapter 2
Hardware Setup
MS-7636
Chapter 2
Seral Port Connector: JCOM1
Ths connector s a 16550A hgh speed communcaton port that sends/receves 16
bytes FIFOs. You can attach a seral devce.
1.DC
D
3.SO
UT
10.N
o Pin
5.Gro
und
7.RT
S
9.RI
8.CT
S
6.DS
R
4.DT
R
2.SIN
Fan Power Connectors: CPUFAN,SYSFAN1~2
The fan power connectors support system coolng fan wth +12V. When connectng the
wre to the connectors, always note that the red wre s the postve and should be con-
nected to the +12V; the black wre s Ground and should be connected to GND. If the
manboard has a System Hardware Montor chpset on-board, you must use a specally
desgned fan wth speed sensor to take advantage of the CPU fan control.
1.Gro
und
2.+1
2V
3.Se
nsor/
No U
se
1.Gro
und
2.+1
2V
3.Se
nsor
4.Co
ntrol
CPUFAN
SYSFAN1~2
Important
Please refer to the recommended CPU fans at processor’s offical webste or consult
the vendors for proper CPU coolng fan.
CPUFAN support Smart fan control. You can nstall Control Center utlty that wll
automatcally control the CPUFAN speeds accordng to the actual CPUFAN tem-
peratures.
Fan cooler set wth 3 or 4 pns power connector are both avalable for CPUFAN.
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