Supermicro SuperServer 5019P-WT - Headers

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Chapter 4: Motherboard ConnectionsSuperServer 5019P-WT/WTR User's Manual
Headers
Fan Headers
There are seven 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
SGPIO Headers
I-SGPIO1, I-SGPIO2 and S-SGPIO1 (Serial General Purpose Input/Output) headers are used
to communicate with the enclosure management chip on the backplane.
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
TPM
Pin Denitions
Pin# Denition Pin# Denition
1 P3V3 6 GND
2 CS_N 7 MOSI
3 Reset 8 NC
4 MISO 9 P3V3_STBY
5 CLK 10 IRQ_N
TPM Header
The JTPM1 header is used to connect a Trusted Platform Module (TPM), which is available from
a third-party vendor. A TPM is a security device that supports encryption and authentication in
hard drives. It enables the motherboard to deny access if the TPM associated with the hard
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Standby Power
The Standby Power header is located at JSTBY1 on the motherboard. See the table below
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Standby Power
Pin Denitions
Pin# Denition
1 +5V Standby
2 Ground
3 No Connection
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
Power SMB (I
2
C) Header
A Power System Management Bus (I
2
C) header at JPI
2
C1 monitors the power supply, fan,
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Power SMB Header
Pin Denitions
Pin# Denition
1 Clock
2 Data
3 PMBUS_Alert
4 Ground
5 +3.3V
4-pin BMC External I
2
C Header
A System Management Bus header for IPMI 2.0 is located at JIPMB1. Connect a cable to this
header to use the IPMB I
2
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External I
2
C Header
Pin Denitions
Pin# Denition
1 Data
2 Ground
3 Clock
4 No Connection