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1
Pin 1
Pin 1
USB2 Connector
USB3 Connector
Pin 1
8. Connecting IDE and Floppy Cables
9. Connecting Front Panel Cable
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.
Connect 34-pin floppy cable and 40-pin, 80-wire IDE cable to floppy connector FDC and
IDE connector. Be careful of the pin1 orientation. Wrong orientation may cause system
damage.
Pin 1
ATA 33/66/100
IDE Connector
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
.
Pin 1
FDD Connector
Primary
Slave (2nd)
Primary
Master (1st)
IDE 1 (Primary)
IDE 2 (Secondary)
Secondary
Master (3rd)
Secondary
Slave (4th)
6. Support Six USB2.0 Connectors
This motherboard provides six
USB
connectors to connect USB devices, such as mouse,
keyboard, modem, printer, etc. There are two connectors on the PC99 back panel. You
can use proper cable to connect other USB connectors to the back panel or front panel of
chassis.
1
SPWR
GND
ACPI LED-
GND
ACPILED
NC
NC
GND
RESET
GND
NC
NC
+5V
IDE LED
IDE LED
+5V
+5V
GND
NC
SPEAKER
Speaker
IDE LED
SPWR
ACPI & PWR
LED
Reset
Pin 1
1
KEY
GND
IR_RX
NC
+5V
IR_TX
IrDA Connector
USBPWR0
USB_FP_P0-
US
GND
KEY
USBPWR1
USB_FP_P1-
US
GND
USB_FP_OC
0
1 2