ROCKY-3701 Socket 370 Celeron
TM
& Pentium III
17
8 +5V
7
KEYLOCK
10
RESET SW
9
GND
12 GND
11
GND
14
IDE LED
13
N/C
16
+5V
15
ATX POWER CONTROL
18
ATX POWER BUTTON
17
ATX 5VSB
20
ATX 5VSB
19
ATX 5VSB
3.7 USB Port Connector
The ROCKY-3701 has two built-in USB ports for the future new
I/O bus expansion.
•
CN14: USB0 Connector.
CN13: USB1 by 4-Pin header
PIN NO. Description
1 GND
2 SBD1+
3 SBD1-
4 VCC
3.8 IrDA Infrared Interface Port
ROCKY-3701 built-in IrDA port supports Serial Infrared (SIR) or
Amplitude Shift Keyed IR (ASKIR) interface. If you want to use
the IrDA port, you have to configure the SIR or ASKIR model in
ROCKY-3701 Socket 370 Celeron
TM
& Pentium III
18
the BIOS’s Peripheral Setup’s COM2. Then the normal RS-232
COM2 will be disabled.
•
CN10 : IrDA Connector
PIN NO.
DESCRIPTION
1 VCC
2 NC
3 IR-RX
4 GND
5 IR-TX
6 NC
3.9 Fan Connector
The ROCKY-3701 provides one CPU cooling fan connector and
two CHASSIS fan connectors. These connectors can supply
12V/500mA to the cooling fan. The connector has a “rotation”
pin which supplies the fan’s rotation signal to the system, so the
system BIOS knows the fan speed. Please note that only
specified fan offers the rotation signal .
•
CN16 : CPU Fan Connector
•
CN3 : CHASSIS1 Fan Connector
•
CN17 : CHASSIS2 Fan Connector
PIN NO.
DESCRIPTION
1 Fan
Sensor
2 +12V
3 GND
3.10 CompactFlash Connector
CN21 : CompactFlash Connector (Secondary IDE)
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1 GND
2 DATA
3
