FCC/CDC statements Federal Communications Commission Statement This device complies with FCC Rules Part 15. Operation is subject to the following two conditions: • This device may not cause harmful interference, and • This device must accept any interference received including interference that may cause undesired operation.
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USBPWR +5VSB (Default) ® FUSB P4B USB Device Wake Up +5VSB (Default)
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SDRVOL ® 3.4 V 3.5 V 3.6 V (Default) P4B SDR Voltage Setting SPEECH ® BUZZER LINEOUT (Default) P4B Speaker Selector...
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Intel I/O ® Controller CLRCMOS (ICH2) Short jumper to clear CMOS P4B Clear RTC RAM...
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TIP: If the case-mounted LED does not ® light, try reversing the 2-pin plug. HDLED P4B HD Activity LED...
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NOTE: Orient the red markings ® (usually zigzag) on the IDE ribbon cable to PIN 1. P4B IDE Connectors PIN 1...
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FLOPPY PIN 1 NOTE: Orient the red markings on the floppy ribbon cable to PIN 1. ® P4B Floppy Disk Drive Connector CHASSIS ® P4B Chassis Alarm Lead...
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PWR_FAN ® CPU_FAN CHA_FAN P4B 12-Volt Fan Connectors USB2 ® 1: USB Power 6: USB Power 2: USBP2– 7: USBP3– 3: USBP2+ 8: USBP3+ 4: GND 9: GND 5: NC P4B USB Header...
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ATXPWR +3.3VDC +3.3VDC -12.0VDC +3.3VDC PS_ON# +5.0VDC AUX+12V +5.0VDC -5.0VDC PWR_OK +5.0VDC +5VSB ® +5.0VDC +12.0VDC +12V ATX12V +12V DC COM +12V DC COM P4B ATX & Auxiliary Power Connectors...
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TRPWR ® Ground TRPWR P4B Power Supply Thermal Connector Speaker Keyboard Lock Connector Power LED ® Reset SW Message LED ATX Power SMI Lead Switch* Requires an ATX power supply. P4B System Panel Connectors...