Supermicro SUPERSERVER 6035B-8, User Manual

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Chapter 5: Advanced Serverboard Setup
5-15
Fan Headers
The X7DB8 has eight fan headers,
designated Fan1 through Fan8. Fan
speed is controlled via Thermal Man-
agement with a BIOS setting. See the
table on the right for pin defi nitions.
Note: Fans 5-8 are 4-pin fans. Pins
1-3 of the fan headers are backward
compatible with traditional 3-pin fans.
The onboard fan speed is controlled
by a BIOS setting. When using a
Thermal Management setting, use all
3-pin fans or all 4-pin fans (do not use
3-pin fans and 4-pin fans together).
Serial Ports
The COM1 serial port is located beside
the mouse port. COM2 is a header on
the serverboard (see serverboard
layout for location). See the table on
the right for pin defi nitions.
Note: Pin 10 is included on the header but not on
the port. NC indicates no connection.
Serial Port Pin Defi nitions
(COM1/COM2)
Pin # Defi nition Pin # Defi nition
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 Ground 10 NC
Fan Header
Pin Defi nitions
(Fan1-8)
Pin# Defi nition
1 Ground (Black)
2 +12V (Red)
3 Tachometer
4 PWM Control
Power Fail Header
Connect a cable from your power sup-
ply to the Power Fail header to provide
you with warning of a power supply
failure. The warning signal is passed
through the PWR_LED pin to indicate
a power failure. See the table on the
right for pin defi nitions.
Power Fail Header
Pin Defi nitions (PSF)
Pin# Defi nition
1 P/S 1 Fail Signal
2 P/S 2 Fail Signal
3 P/S 3 Fail Signal
4 Alarm Reset
Note: This feature is only available when using
redundant Supermicro power supplies.