Front Audio Connector; Acr Slot - AOpen MK79 Installation Manual

10. 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
IrDA Connector
1
KEY
NC
GND
+5V
IR_RX
IR_TX

11. Front Audio Connector

If the housing has been designed with an audio port on the front panel, you'll be able to
connect onboard audio to front panel through this connector. By the way, please remove
5-6 and 9-10 jumper caps from the Front Audio Connector before connecting the cable.
Please do not remove these 5-6 and 9-10 yellow jumper caps if there's no audio port on
the front panel.
Pin 1
1 2
AUD_GND
AUD_MIC
AUD_VCC
AUD_MIC_BIAS
AUD_RET_R
AUD_FPOUT_R
KEY
NC
AUD_RET_L
AUD_FROUT_L
9 10
12. Connecting CD-IN/AUX-IN Connectors
CD-IN (Black)
AUX-IN (green)

13. ACR Slot

Building on the PC motherboard riser architecture, ACR slot is backward compatible with
AMR but beyond the limitation of it. The ACR specification is designed to support modem,
audio, Local Area Network (LAN) and Digital Subscriber Line (DSL). On the strength of
nVIDIA MCP-D controller on chip, which is a highly integrated Platform LAN Connect device,
it provides 10/100M bps Ethernet for office and home use.
The CD-IN connector is used to connect CD
Audio cable from CDROM or DVD drive to
onboard sound.
This AUX-IN connector is used to connect MPEG
Audio cable from MPEG card to onboard sound.
Connector Pin1 Pin2 Pin3
CD-IN Left GND GND
AUX-IN Left GND GND
ACR Slot
Pin4
Right
Right