Chapter 5 – DFI DT122-HR Manual User Manual
Page 33
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33
Chapter 5 Ports and Connectors
Chapter 5
The lithium ion battery powers the real-time clock and CMOS memory. It is an auxiliary source
of power when the main power is shut off.
Safety Measures
• Danger of explosion if battery incorrectly replaced.
• Replace only with the same or equivalent type recommend by the manufacturer.
• Dispose of used batteries according to local ordinance
.
Battery
PCIe 3
Pin
Pin Assignment
Pin
Pin Assignment
A1
GND
B1
+12V
A2
+12V
B2
+12V
A3
+12V
B3
+12V
A4
GND
B4
GND
A5
USB+
B5
SMB_CLK
A6
USB-
B6
SMB_DATA
A7
+5V
B7
GND
A8
+5V
B8
+3V3
A9
+3V3
B9
NC
A10
+3V3
B10
+3VDU
A11
RESET
B11
PCIE_WAKE
A12
GND
B12
NC
A13
CLK+
B13
GND
A14
CLK-
B14
TX+
A15
GND
B15
TX-
A16
RX+
B16
GND
A17
RX-
B17
PCIECLKRQ
A18
GND
B18
GND
Battery