Connecting Ide And Floppy Cables; Connecting Front Panel Cable - AOpen AX4B-G2 Easy Installation Manual

6. Support 2
This motherboard provides four USB
keyboard, modem, printer, etc. There are two connectors on the PC99 back panel. You
can use proper cable to connect the other USB connector to the back panel or front panel
of chassis.
Pin 1
USB2 Connector
1 2
USBPWR0 USBPWR0
USB_FP_P1-
USB_FP_P0-
USB_FP_P1+
USB_FP_P0+
GND
GND
USB_FP_OC0
KEY
7. 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
nd
USB Port
connectors to connect USB devices, such as mouse,

8. Connecting IDE and Floppy Cables

Connect 34-pin floppy cable and 40-pin, 80-wire IDE cable to floppy connector FDD and
IDE connector. Be careful of the pin1 orientation. Wrong orientation may cause system
damage.
ATA 33/66/100
IDE Connector

9. Connecting Front Panel Cable

Attach the power LED, speaker, and reset switch connectors to
the corresponding pins. If you enable "Suspend Mode" item in
BIOS Setup, the ACPI & Power LED will keep flashing while the
system is in suspend mode.
Locate the power switch cable from your ATX housing. It is
2-pin female connector from the housing front panel. Plug this
connector to the soft-power switch connector marked SPWR.
Primary
Primary
Slave (2nd) Master (1st)
IDE 1 (Primary)
IDE 2 (Secondary)
Pin 1
Secondary
Secondary
Master (3rd)
Slave (4th)
Pin 1
FDD Connector
1
IDE LED
Speaker
1
NC 5VSB
NC SPWR
+5V ACPI LED-
IDE LED GND
IDE LED ACPILED
+5V
NC
+5V
NC
GND
GND
NC
RESET
SPEAKER
GND
SPWR
ACPI & PWR
LED
Reset