MS-91A2 Server Board
Serial Port Connector: COM2
This connector is a 16550A high speed communications port that sends/receives 16 bytes FIFOs. You can attach a serial device to it through the optional serial port bracket.
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| Pin Definition | |
| 9 | PIN | SIGNAL | DESCRIPTION |
| 1 | DCD | Data Carry Detect | |
8 |
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| 2 | SIN | Serial In or Receive Data | |
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| 3 | SOUT | Serial Out or Transmit Data |
2 | 1 | 4 | DTR | Data Terminal Ready |
5 | GND | Ground | ||
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| 6 | DSR | Data SetReady |
| COM 2 | 7 | RTS | Request To Send |
| 8 | CTS | Clear To Send | |
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| 9 | VCC_COM | PowerSource |
Fan Power Connector: CPU_FAN1, SYS_FAN1/2, FRONT_FAN1
The fan power connectors support system cooling fan with +12V. When connecting the wire to the connectors, always note that the red wire is the positive and should be connected to the +12V; the black wire is Ground and should be connected to GND. If the mainboard has a System Hardware Monitor chipset onboard, you must use a specially designed fan with speed sensor to take advantage of the CPU fan control.
SECO
G+NSNT
N1 2ORO
DVRL
CPU_FAN1
SYS_FAN1/2, FRONT_FAN1
CONTROL SENSOR +12V GND
Important
1.Please refer to the recommended CPU fans at processor’s official website or consult the vendors for proper CPU cooling fan.
2.Users are suggested to enter the BIOS Setup Utility to set up the Smart Fan Control function.