Battery; Cpu Fan - DFI CS551-C246 User Manual

Internal I/O Connectors
X

Battery

„ External Battery
The external lithium ion battery supplies power to the real-time clock and CMOS memory as an
auxiliary source of power when the main power is shut off.
Safety Measures
• There exists explosion hazard if the battery is incorrectly installed.
• Replace only with the same or equivalent type recommended by the manufacturer.
• Dispose of used batteries according to local ordinances.
User's Manual | CS551
„ Battery
2 1
Connect to board
LAN1
1
1
Internal I/O Connectors
X
Heater and Switch

CPU Fan

CPU Fan
1
These fan connectors are used to connect to cooling fans. Cooling fans provide adequate air
circulation throughout the chassis and dissipate heat to prevent overheating of the system
board and components. The 3-pin CPU fan modulates fan speed via voltage modulation.
„ 3-pin Fan Pin Assignment
Pin Assignment
1
2
3
LAN2
Chapter 2
HARDWARE INSTALLATION
LVDS
USB 5/6 (USB 2.0)
SPI Flash BIOS
DDR4_1 SODIMM
Ground
Power
Sense
DP++1/2
1
39
2 40
9 1 9
1
10 2 10 2
10 9
DIO
2 1
5 1
M
2
SMBus
22