Fan Connectors (Cn41~Cn43); Vga Connector (Cn45) - AXIOMTEK imb500 User Manual

2.4.20

Fan Connectors (CN41~CN43)

This motherboard has three fan connectors. Find fan speed option(s) at BIOS Setup
Utility: Advanced\HW Monitor\PC Health Status.
The CN41 (4x1-pin p=2.54mm) is for CPU fan connector.
Pin Signal
1 GND
2 +12V
3 FAN Speed Detection
4 FAN Speed Control
The CN42 and CN43 (4x1-pin p=2.54mm) are for system fan connectors.
Pin Signal
1 GND
2 +12V
3 FAN Speed Detection
4 FAN Speed Control
2.4.21

VGA Connector (CN45)

This is a high rise 15-pin D-Sub connector which is commonly used for VGA display. This
VGA interface configuration can be configured via software utility.
Pin Signal
1 Red
3 Blue
5 GND
7 GND
9 VCC
11 NC
13 Horizontal Sync
15 DDC CLK
Board and Pin Assignments
Pin Signal
2 Green
4 NC
6 DETECT
8 GND
10 GND
12 DDC DATA
14 Vertical Sync
IMB500 LGA1151 ATX Motherboard
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