Intel user manual Connectors on MB820

INSTALLATIONS

Connectors on MB820

The connectors on MB820 allows you to connect external devices such as keyboard, floppy disk drives, hard disk drives, printers, etc. The following table lists the connectors on MB820 and their respective functions.

Connector Locations on MB820	12
ATXP1: ATX Power Supply Connector	13
ATXP2: ATX 12V Power Connector	13
DIMM1, DIMM2: DDR Channel A Connectors	13
DIMM3, DIMM4: DDR Channel B Connectors	13
AGP1: AGP Slot	13
PCI1, PCI2, PCI3, PCI4: PCI Slots	13
SL1, SL2: ISA Slots	13
CN1: PS/2 Keyboard and PS/2 Mouse Connectors	14
CN2: 4-port USB Connector	14
CN3, J3: Serial Ports	14
CN4: Parallel Port Connector	15
CN6: VGA CRT Connector	15
CN7: USB and LAN RJ45 Connectors	16
CN8: Audio Connector	16
J1: IrDA Connector	16
J4: CD-In Audio Connector	16
J5, J6: Serial ATA (SATA) Connectors	17
J8, J10: COM3 and COM4 Serial Ports Connector	17
J9: Wake On LAN Connector	17
J11: Digital I/O Connector (4 in, 4 out)	18
J12: System Function Connector	18
FAN1: CPU Fan Power Connector	20
FAN2: VGA Fan Power Connector	20
FAN3: Chassis Fan Power Connector	20
FDD1: Floppy Drive Connector	21
IDE, IDE2: Primary and Secondary IDE Connectors	22

MB820 User’s Manual 11