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15
J22: USB Front Panel Header
1 9
2 1 0
Use this header to connect to front panel USB
connector.
Signal Pin
Pin
Signal
USBPWR
1 2 USBPWR
USB3- 3 4 USB4-
USB3+ 5 6 USB4+
GND 7
8 GND
KEY 9
10
GND
J6: COM2 Header
1 9
2 10
Use these pin definitions to connect a port to COM2.
Signal
Pin Pin
Signal
DCD 1 2 DSR
RXD 3 4 RTS
TXD 5 6 CTS
DTR 7 8 RI
GND 9 10
KEY
JP6: PCI-X Frequency Select Jumper
Speed JP6
133MHz
(Default)
1
100MHz
1
J2/J3: 3-pin Fan Connector
+12V
N C
GND
Use these headers to connect cooling fans to the
motherboard to keep the system stable and reliable.
Содержание S3870
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