5-10
S
UPER
S
ERVER 5017A-EP User's Manual
Fan Header
Pin Defi nitions
Pin# Defi nition
1
Ground
2
+12V
3
Tachometer
4
PWM_Control
Fan Headers
The X9SCAA Motherboard Series
has one fan header reserved for the
system (Fan1).
Serial Ports (COM1~4)
Four COM headers (COM1, COM2,
COM3*, COM4*) are located on the
motherboard. These are located next
to the PCI slot to provide front panel
access using a compatible cable (not
included). See the table on the right
for pin defi nitions.
Serial Ports
Pin Defi nitions
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
N/A
Internal Speaker/Buzzer
The Internal Speaker on SP1 can be
used to provide audible indications for
various beep codes. See the table on
the right for pin defi nitions. Refer to
the layout below for the locations of
the Internal Buzzer (SP1).
Internal Buzzer
Pin Defi nition
Pin# Defi nitions
Pin 1
Pos. (+)
Beep In
Pin 2
Neg. (-)
Alarm
Speaker
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