Chapter 2
Motherboard Layout Key
These components, connectors and jumpers are located in the motherboard layout graphic on the
facing page.
Component Function
CPU mPGA478 CPU socket
AGP Accelerated Graphics Port
DDR A1, A2, B1, B2 DIMM sockets for DDR SDRAM
PCI1~ PCI5 32_bit PCI expansion slots
Connectors Function
SATA1, SATA2 SATA drive connectors
JATXPWR2
Connectors for power supply
JATXPWR1 ATX 12V power connector
JPANEL1 Front panel feature connector
JUSB1, JUSB2, JUSB3 Internal USB connector
JCFAN1 CPU cooling fan power connector
JAUX1 AUX-auxiliary audio-in connector
JCDIN1 CD-ROM drive audio-in connector
FDD1 Floppy disk drive connector
IDE1, IDE2 IDE drive connectors
JSFAN1 System cooling fan connectors
Jumpers Function
JCMOS1 Clear CMOS
JAUDIO1 Audio for front panel
User’s Manual 2 - 3