1-9
Chapter 1 Motherboard 4S661QP
8. ATX Main Power Connector
9. +12V Power Connector
10. DEBUG1: Connector for Printer ERROR debug
11. Back Panel: Back Panel I/O Connectors ( Mouse, Keyboard,
COM1, VGA, Printer, 1394A Port, 3xUSB ports, Mic in, Line in,
Speaker, RJ45 )
12. JP1: Front Audio Pin-header
13. ALC650: 6-channel AC’97 Audio CODEC
14. SPDIF1: SPDIF (S/P Digital Interface Format) Connector
15. AUX1: Audio-in connector for Wave audio input
16. CD1: CD Audio-in connector
17. FAN3: Cooling Fan connector
18. South Bridge SiS963
19. JP4: Jumper for Clear CMOS Select
20. USB2 Header: USB2 Pin-header for 2 external USB ports
21. Panel1: Front Panel connectors
22. JP5: Pin Header supporting 1 external USB Port
23. JP10: Jumper for USB2 Wake-up Select
24. IR2: Connector for Infrared signal transmission/reception.
25. North Bridge SiS661FX
26. FAN2: Cooling Fan connector
27. WOL1: Wake On LAN connector
28. 1394A Header: 1393A Pin-header for 1x external 1394A port
1. IDE1: IDE Connector
2. IDE2: IDE Connector
3. FDC1: Floppy Drive Connector
4. FAN1: CPU Fan Connector
5. Thermal Detector
6. P4 CPU Socket 478
7. P4 CPU Fan Base
4S661QP Component Layout :