ROCKY-3705EV-R2 Socket 370 Celeron
TM
, Pentium III
®
& Tualatin Processor with Ethernet , VGA , Audio Board
21
PIN NO. DESCRIPTION
PIN NO. DESCRIPTION
1. SPEAKER
11
POWER-LED
+
2. N/C
12
N/C
3. N/C
13
POWER-LED
-
4. SPEAKER
+5V
14
5.
RESET SW
15
KEYLOCK -
6.
RESET SW GND
16
GND
7.
IDE LED -
17
N/C
8.
IDE LED+
18
ATX POWER PSON#
9. ATX
POWER
BUTTON
19
ATX
5VSB
10. ATX
POWER
BUTTON GND
20
ATX
5VSB
•
CN27 : ATX Power Switch Connector
PIN NO.
DESCRIPTION
1 PWR
2 Ground
•
CN26 : ATX Power +5VSB and PSON# Connector
PIN NO.
DESCRIPTION
1 Ground
2 PSON#
3 +5VSB
3.7 USB Port Connector
The
ROCKY-3705EV-R2
has two built-in USB ports for the future
new I/O bus expansion.
•
CN17,18: Pin Header USB Connectors
1 2 3
ROCKY-3705EV-R2 Socket 370 Celeron
TM
, Pentium III
®
& Tualatin Processor with Ethernet , VGA , Audio Board
22
PIN NO. Description
1
VCC
2
USBD0-
3
USBD0+
4
GND
4 3 2 1 CN17 ( USB 0 )
1 2 3 4 CN18 ( USB 1 )
3.8 IrDA Infrared Interface Port
ROCKY-3705EV-R2
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 FIR or ASKIR model in
the BIOS’s Peripheral Setup’s COM2. Then the normal RS-232
COM2 will be disabled.
•
CN11 : IrDA Connector
PIN NO.
DESCRIPTION
1 VCC
2 N/C
3 IR-RX
4 GND
5 IR-TX
3.9 VGA Connector
The built-in 15-pin D-Type VGA connector can be connected
directly to your monochrome CRT monitor as well as high
resolution color CRT monitor.
•
CN22 : 15-pin Female VGA Connector