Supermicro 1027R-73DAF, User Manual

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S
UPER
S
ERVER 1027R-73DAF User's Manual
Fan Headers
There are eight fan headers on the
serverboard, all of which are 4-pin
fans (Fan 1-Fan 8). Pins 1-3 of the
fan headers are backward compatible
with the traditional 3-pin fans. (Fan
speed control is supported with 4-pin
fans only.) See the table on the right
for pin defi nitions. The onboard fan
speeds are controlled by IPMI.
NMI Button
The non-maskable interrupt button
header is located on pins 19 and 20
of JF1. See p. 5-4 and the table on
the right for pin defi nitions.
NMI Button
Pin Defi nitions (JF1)
Pin# Defi nition
19 Control
20 Ground
Fan Header
Pin Defi nitions
Pin# Defi nition
1 Ground (Black)
2 +12V (Red)
3 Tachometer
4 PWR Modulation
Power On LED
The Power On LED connector is lo-
cated on pins 15 and 16 of JF1 (use
JLED for a 3-pin connector). This
connection is used to provide LED
indication of power being supplied to
the system. See p. 5-4 and the table
on the right for pin defi nitions.
Power LED
Pin Defi nitions (JF1)
Pin# Defi nition
15 5V Stby
16 Control
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
Chassis Intrusion
The Chassis Intrusion header is des-
ignated JL1. Attach a chassis intrusion
cable from the chassis to inform you of
a chassis intrusion when the chassis
is opened
Chassis Intrusion
Pin Defi nitions
Pin# Defi nition
1 Intrusion Input
2 Ground
Serial Ports
Two serial ports are included on the
serverboard. COM1 is a backpanel
port and COM2 is a header located
near PCI-E slot1 to provides front
access support. See the table on the
right for pin defi nitions.