Intel PCM-3370 USB connector CN26,CN27, Reset Connector CN1, IR Connector CN3, FAN Connector CN4

Table 2.6: Watchdog Function J2

2-3IRQ11

2.15 USB connector (CN26,CN27)

The PCM-3370 board provides two USB (Universal Serial Bus) inter- faces which support plug and play and hot attach/detach for up to 127 external devices. The USB interfaces comply with USB specification Rev. 1.1 and are fuse protected.

The USB interfaces are accessed through 10-pin (5x2) flat-cable connec- tors, CN9. You will need an adapter cable if you use a standard USB con- nector. The adapter cable has a 5-pin connector on one end and a USB connector on the other.

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

2.16 Reset Connector (CN1)

Table 2.7: Reset Connector

Pin	Pin name
1	Signal
2	Gnd

2.17 IR Connector (CN3)

PCM-3370F's IR is a 5pin boxheader. There is more detail pin assignment at Appendix.

2.18 FAN Connector (CN4)

The PCM-3370F's FAN connector has speed detect and +5V power input. It is a 3 pin connector for FAN.

2.18.1Power Switch Connector (CN19)

There is a PCM-3370F 2-pin power switch at CN19.

2.18.2Negative Power Input

PCM-3370F can have -5V and -12V negative power input from outside power supply then it can drive stacking module -5V/-12V from PC/104 socket. It is a 3-pin box header.

PCM-3370 User’s Manual 20