Motherboard Components

MOTHERBOARD

Motherboard Components

1. CPU Socket - LGA775 Socket for Intel Pentium 4/Pentium D/Celeron D
2. CPU_FAN - CPU Fan connector
3. DDR1/2 - Two 184-pin DDR SDRAM Sockets
4. IDE1 - Primary IDE channel
5. IDE2 - Secondary IDE channel
6. SATA1/2 - Serial ATA connector
7. CLR_CMOS1 - Clear CMOS jumper
8. PANEL1 - Front Panel switches and LED header
9. SPK1 - Speaker header
10. SYS_FAN1 - System fan connector
11. FDD1 - Floppy disk drive connector
12. F_USB1/2 - Front panel USB header
13. CNR1 - Communications Networking Riser slot
14. PCI1 - PCI3 - Three 32-bit PCI slots
15. IR1 - Infrared header
16. CD_IN1 - Analog Audio Input header
17. AGP1 - AGP slot
18. AUDIO1 - Front Panel Audio header
19. PWR1 - Standard 20-pin ATX power connector
20. PWR2 - Standard 4-pin ATX power connector


Sample of Configuration Bus


Formula

CPU Clock Speed = Bus Speed X CPU Ratio
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Bus Speed = CPU Clock Speed
________
CPU Ratio

CPU Ratio = CPU Clock Speed
_____________
Bus Speed

L = (Bus Speed)(CPU Ratio)
H = (Bus Speed)(CPU Ratio)