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S
S
UPER
ERVER 5026T-3F/5026T-T User's Manual
NMI Button
The non-maskable interrupt button
header is located on pins 19 and 20
of JF1. Refer to the table on the right
for pin defi nitions.
Fan Headers
There are fi ve 4-pin fan headers on
the serverboard. Pins 1-3 of the fan
headers are backward compatible
with traditional 3-pin fans. See the
table on the right for pin defini-
tions. The onboard fan speeds are
controlled by Thermal Management
(via Hardware Monitoring) under the
Advanced Section in the BIOS. The
default is disabled. When using Ther-
mal Management setting, please use
all 3-pin fans or all 4-pin fans.
ATX PS/2 Keyboard and PS/2
Mouse Ports
The ATX PS/2 keyboard and the PS/2
mouse are located beside the USB0/1
ports. The mouse port is above the
keyboard port. See the table on the
right for pin defi nitions.
Serial Ports
Two serial ports are included on the
serverboard. COM1 is a backpanel
port and COM2 is a header located
behind the fl oppy connector. See 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
(FAN1-5)
Pin#
Defi nition
1
Ground (Black)
2
+12V (Red)
3
Tachometer
4
PWM Control
Note: Fan 6 is for the CPU
heat sink.
PS/2 Keyboard and
Mouse Port Pin
Defi nitions
Pin#
Defi nition
1
Data
2
NC
3
Ground
4
VCC
5
Clock
6
NC
Serial Port Pin Defi nitions
(COM1/COM2)
Pin #
Defi nition
1
DCD
2
RXD
3
TXD
4
DTR
5
Ground
5-16
Pin #
Defi nition
6
DSR
7
RTS
8
CTS
9
RI
10
NC
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