Chapter 2: Installation
Serial Ports
The COM1 serial port is located beside the VGA port. Refer to the motherboard layout for the location of the COM2 header. See the table below for pin definitions.
Pin# | Definition | Pin# | Definition |
1 | DCD | 6 | DSR |
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2 | RXD | 7 | RTS |
3 | TXD | 8 | CTS |
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4 | DTR | 9 | RI |
5 | Ground | 10 | NC1 |
1. Note: NC indicates no connection.
Fan Headers
The H8DMT has four
NOTE: The onboard fan speed is controlled by the CPU die temperature.
Pin# | Definition | Pin# | Definition | |
1 | Ground | 3 | Tachometer for | |
Fan | ||||
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2 | PWR (DC Speed | 4 | PWM (Pulse Width | |
CTRL) | Modulation) | |||
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LAN1/2 (Ethernet Ports)
Two Gigabit Ethernet ports (designated LAN1 and LAN2) are located beside the COM 1port. These Ethernet ports accept RJ45 type cables.
Dedicated LAN (Ethernet Port)
One Gigabit Ethernet (RJ45) port is located above the USB ports on the