Supermicro SuperWorkstation 7049GP-TRT - Headers and Connectors

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SuperWorkstation 7049GP-TRT User's Manual
4.2 Headers and Connectors
Fan Headers
There are eight fan headers on the motherboard. These are 4-pin fan headers; pins 1-3
are backward compatible with traditional 3-pin fans. The onboard fan speeds are controlled
by Thermal Management (via Hardware Monitoring) in the BIOS. When using Thermal
Management setting, please use all 3-pin fans or all 4-pin fans.
Fan Header
Pin Denitions
Pin# Denition
1 Ground (Black)
2 +12V (Red)
3 Tachometer
4 PWM Control
Internal Speaker/Buzzer
The Internal Speaker/Buzzer (SP1) is used to provide audible indications for various beep
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Internal Buzzer
Pin Denitions
Pin# Denition
1 Pos (+) Beep In
2 Neg (-) Alarm Speaker
S-SGPIO Header
A Serial General Purpose Input/Output header (S-SGPIO) is located on the motherboard.
This header is used to communicate with the enclosure management chip on the backplane.
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SGPIO Header
Pin Denitions
Pin# Denition Pin# Denition
1 NC 2 NC
3 Ground 4 DATA Out
5 Load 6 Ground
7 Clock 8 NC
NC = No Connection