Intel MB820 user manual FAN1 CPU Fan Power Connector, FAN2 VGA Fan Power Connector

Page 24

INSTALLATIONS

Hard Disk Drive LED Connector: Pins 10 and 20 This connector connects to the hard drive activity LED on control panel. This LED will flash when the HDD is being accessed.

Pin #

Signal Name

10

HDD Active

20

5V

 

 

FAN1: CPU Fan Power Connector

 

Pin #

Signal Name

 

 

1

Ground

 

2+12V

3Rotation detection

FAN2: VGA Fan Power Connector

 

Pin #

Signal Name

 

 

1

Ground

 

2+12V

3Rotation detection

FAN3: Chassis Fan Power Connector

 

Pin #

Signal Name

 

 

1

Ground

 

2+12V

3Rotation detection

20

MB820 User’s Manual

Image 24
Contents USER’S Manual VersionAcknowledgments Table of Contents This page is intentionally left blank Checklist IntroductionProduct Description Board Dimensions Installations ATX Power Installation Installing the MemorySetting the Jumpers Jumper Locations on MB820 JP2 COM1 RS232 +5V/+12V Power Setting JP3 COM2 RS232 +5V/+12V Power SettingJP1 RS232/422/485 COM2 Selection JP4 Clear Cmos Contents JP5 COM3 RS232 +5V/+12V Power SettingJP6 COM4 RS232 +5V/+12V Power Setting JP8 Onboard VGA Enable/Disable JP7 DiskOnChip Address SelectConnectors on MB820 Connector Locations on MB820 ATXP1 ATX Power Supply Connector ATXP2 ATX 12V Power ConnectorDIMM1, DIMM2 DDR Channel a Connectors DIMM3, DIMM4 DDR Channel B ConnectorsCN1 PS/2 Keyboard and PS/2 Mouse Connectors CN2 4-port USB ConnectorCN3, J3 Serial Ports CN4 Parallel Port Connector CN6 VGA CRT ConnectorCN7 USB and LAN RJ45 Connectors CN8 Audio ConnectorJ1 IrDA Connector J4 CD-In Audio ConnectorJ5, J6 Serial ATA Sata Connectors J8, J10 COM3 and COM4 Serial Ports ConnectorJ9 Wake On LAN Connector J11 Digital I/O Connector 4 in, 4 out J12 System Function ConnectorPower LED Pins 11 FAN1 CPU Fan Power Connector FAN2 VGA Fan Power ConnectorFAN3 Chassis Fan Power Connector FDD1 Floppy Drive Connector RM/LCIDE, IDE2 Primary and Secondary IDE Connectors IRQ15Watchdog Timer Configuration Sample CodeMov Cl, 0F5h Call ReadReg Al, not 08h Call WriteReg Out dx, al Installations Bios Setup Bios Introduction Bios SetupPhoenix AwardBIOS Cmos Setup Utility Standard Cmos Setup DateTime IDE Primary HDDs / IDE Secondary HDDsDrive a / Drive B Video Halt OnAdvanced Bios Features Hard Disk Boot PriorityQuick Power On Self Test CPU L1 and L2 CacheFirst/Second/Third Boot Device Boot Other DeviceBoot Up Floppy Seek Boot Up NumLock StatusApic Mode Security OptionMPS Version Control for OS OS Select for Dram 64MBAdvanced Chipset Features AGP Aperture Size Integrated Peripherals IDEIDE HDD Block Mode IDE DMA Transfer AccessOnChip Primary/Secondary PCI IDE IDE Primary/Secondary Master/Slave PIOOn-Chip Serial ATA USB ControllerUSB 2.0 Controller USB Keyboard SupportUart Mode Select Parallel Port ModeChip Select Pin Power Management Setup Power ManagementAcpi Function Suspend Mode HDD Power DownVideo Off Method Video Off In SuspendPower On by Ring Resume by AlarmReload Global Timer Events Wake Up On LANPNP/PCI Configurations PNP OS InstallReset Configuration Data Resources Controlled byCPU Warning Temperature Temperatures/Fan Speeds/VoltagesShutdown Temperature PC Health StatusFrequency/Voltage Control Auto Detect DIMM/PCI ClkSpread Spectrum Load Fail-Safe Defaults Load Setup DefaultsSet Supervisor/User Password Save & Exit SetupDrivers Installation Intel 875P Chipset Software Intallation Utility Drivers Installation Drivers Installation Realtek AC97 Codec Audio Driver Installation Intel PRO LAN Drivers Installation VGA Drivers Installation Drivers Installation