NEC Express5800/S110R-1 Guía de usuario descargar pdf (Pagina 49)

Chapter 5: Advanced Serverboard Setup

5-15

Fan Headers

The PDSMU has six fan headers, des-

ignated Fan1 through Fan6. All are

4-pin fans to provide a Pulse Width

Modulated (PWM) signal, however

pins 1-3 of the headers are backward

compatible with traditional 3-pin fans.

Connect the CPU heatsink fan and

the system (chassis) fans to these

headers. Their speed is controlled via

Thermal Management with a BIOS

setting. See the tables on the right

for pin deﬁ nitions.

Serial Ports

The COM1 serial port is located on

the IO backplane. 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

(FAN1-6)

Pin# Deﬁ nition

1 Ground (Black)

2 +12V (Red)

3 Tachometer

4 PWM Control

Universal Serial Bus

Headers

Four additional USB headers (USB2/3

and USB4/5) are included on the

serverboard. These may be used for

front side access. A USB cable (not

included) is needed for the connec-

tion. See the table on the right for

pin deﬁ nitions.

Universal Serial Bus Headers

Pin Deﬁ nitions (USB2/3, USB4/5)

USB2

Pin # Deﬁ nition

USB3, USB4

Pin # Deﬁ nition

1 +5V 1 +5V

2 PO- 2 PO-

3 PO+ 3 PO+

4 Ground 4 Ground

5 Key 5 NC

Note: When using Thermal Management set-

tings, please use all 3-pin fans or all 4-pin fans.

Please do not use both 3-pin fans and 4-pin fans

together.

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NEC Express5800/S110R-1 Guía de usuario Pagina 49

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