Intel PCA-6175 manual USB Connector CN11, IR Connector CN1, External Keyboard Connector J10

2.7.2 Controlling the soft power switch

It is easy to control the ATX soft power switch. Pushing the button once will switch the system between the "On" and "Suspend" power modes. Pushing the button for more than 4 seconds while in the "On" mode will turn the system off. Users can also identify the current power mode through the system's power LED, as indicated below:

ATX Power Mode	LED Status
System On	On
System Suspend	Flashes eight times/sec.
System Off	Flashes once/sec.

2.8USB Connector (CN11)

The PCA-6175 CPU card provides two USB (Universal Serial Bus) interfaces, which give complete plug and play, hot attach/detach for up to 127 external devices.The USB interfaces comply with USB Specification Rev. 1.0, and are fuse-protected.

The USB interfaces are accessed through a 10-pin flat-cable connector, CN11. The adapter cable has a 10-pin connector on one end and a USB connector on the bracket.

The USB interfaces can be disabled in the system BIOS setup.

2.9IR Connector (CN1)

This connector supports the optional wireless infrared transmitting and receiving module. This module mounts on the system case. You must configure the setting through the BIOS setup.

2.10 External Keyboard Connector (J10)

In addition the the PS/2 mouse/keyboard connector on the PCA- 6175's rear plate, there is also an extra on-board external keyboard connector. This gives system integrators greater flexibility in design- ing their systems.

Chapter 2 Connecting Peripherals 29