AOpen MK7A Easy Installation Manual page 5

10. Connecting ATX Power Connector
The ATX power supply uses 20-pin connector shown below. Make sure you plug in the
right direction.
11. Connect IrDA Connector
The IrDA connector can be configured to support wireless infrared module, with this
module and application software such as Laplink or Windows 95 Direct Cable
Connection, the user can transfer files to or from laptops, notebooks, PDA devices and
printers. This connector supports HPSIR (115.2Kbps, 2 meters) and ASK-IR (56Kbps).
Install the infrared module onto the IrDA connector and enable the infrared function
from BIOS Setup, UART mode select, make sure to have the correct orientation when
you plug in the IrDA connector.
Pin 1
+5V
Key
IRRX
GND
IRTX
NC
MODEM-IN
(Green)
+12V +5V
5VSB +5V
PW-OK -5V
COM COM
+5V COM
COM COM
+5V PS-ON
COM COM
+3.3V -12V
This motherboard supports three USB ports and provides four USB connectors. Two of
them are on the PC99 colored back panel, and 2
motherboard. You can use proper cable to connect others USB connectors to the back
plane or front panel of chassis.
12. Connecting CD-IN / MODEM-CN Cables
The CD-IN connector is used to connect CD Audio
cable from CDROM or DVD drive to onboard sound.
The MODEM-IN connector is used to connect Mono
IN/MIC Out cable from internal modem card to
onboard sound circuit.
CD-IN (Black)
Connector
CD-IN
MODEM-IN
13. Connecting 2
Pin 1
9 10
NC
NC
GND
GND
SBD3+
SBD2+
SBD3-
SBD2-
+5V
+5V
1 2
Pin1 Pin2 Pin3 Pin4
Left GND GND Right
Mono In GND GND Mic Out
nd
USB Port
nd
port connector at left side of