Intel MB820 First/Second/Third Boot Device, Boot Other Device, Swap Floppy Drive, Gate A20 Option

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BIOS SETUP

First/Second/Third Boot Device

These fields determine the drive that the system searches first for an operating system. The options available include Floppy, LS120, Hard Disk, CDROM, ZIP100, USB-FDD,USB-CDROMand Disable.

Boot Other Device

These fields allow the system to search for an operating system from other devices other than the ones selected in the First/Second/Third Boot Device.

Swap Floppy Drive

This item allows you to determine whether or not to enable Swap Floppy Drive. When enabled, the BIOS swaps floppy drive assignments so that Drive A becomes Drive B, and Drive B becomes Drive A. By default, this field is set to Disabled.

Boot Up Floppy Seek

This feature controls whether the BIOS checks for a floppy drive while booting up. If it cannot detect one (either due to improper configuration or its absence), it will flash an error message.

Boot Up NumLock Status

This allows you to activate the NumLock function after you power up the system.

Gate A20 Option

This field allows you to select how Gate A20 is worked. Gate A20 is a device used to address memory above 1 MB.

Typematic Rate Setting

When disabled, continually holding down a key on your keyboard will generate only one instance. When enabled, you can set the two typematic controls listed next. By default, this field is set to Disabled.

Typematic Rate (Chars/Sec)

When the typematic rate is enabled, the system registers repeated keystrokes speeds. Settings are from 6 to 30 characters per second.

Typematic Delay (Msec)

When the typematic rate is enabled, this item allows you to set the time interval for displaying the first and second characters. By default, this item is set to 250msec.

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MB820 User’s Manual

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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 JP1 RS232/422/485 COM2 Selection JP2 COM1 RS232 +5V/+12V Power SettingJP3 COM2 RS232 +5V/+12V Power Setting JP6 COM4 RS232 +5V/+12V Power Setting JP4 Clear Cmos ContentsJP5 COM3 RS232 +5V/+12V Power Setting JP8 Onboard VGA Enable/Disable JP7 DiskOnChip Address SelectConnectors on MB820 Connector Locations on MB820 DIMM1, DIMM2 DDR Channel a Connectors ATXP1 ATX Power Supply ConnectorATXP2 ATX 12V Power Connector DIMM3, DIMM4 DDR Channel B ConnectorsCN3, J3 Serial Ports CN1 PS/2 Keyboard and PS/2 Mouse ConnectorsCN2 4-port USB Connector CN4 Parallel Port Connector CN6 VGA CRT ConnectorJ1 IrDA Connector CN7 USB and LAN RJ45 ConnectorsCN8 Audio Connector J4 CD-In Audio ConnectorJ9 Wake On LAN Connector J5, J6 Serial ATA Sata ConnectorsJ8, J10 COM3 and COM4 Serial Ports Connector J11 Digital I/O Connector 4 in, 4 out J12 System Function ConnectorPower LED Pins 11 FAN3 Chassis Fan Power Connector FAN1 CPU Fan Power ConnectorFAN2 VGA 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 DateDrive a / Drive B TimeIDE Primary HDDs / IDE Secondary HDDs Video Halt OnQuick Power On Self Test Advanced Bios FeaturesHard Disk Boot Priority CPU L1 and L2 CacheBoot Up Floppy Seek First/Second/Third Boot DeviceBoot Other Device Boot Up NumLock StatusMPS Version Control for OS Apic ModeSecurity Option OS Select for Dram 64MBAdvanced Chipset Features AGP Aperture Size Integrated Peripherals IDEOnChip Primary/Secondary PCI IDE IDE HDD Block ModeIDE DMA Transfer Access IDE Primary/Secondary Master/Slave PIOUSB 2.0 Controller On-Chip Serial ATAUSB Controller USB Keyboard SupportChip Select Pin Uart Mode SelectParallel Port Mode Acpi Function Power Management SetupPower Management Video Off Method Suspend ModeHDD Power Down Video Off In SuspendReload Global Timer Events Power On by RingResume by Alarm Wake Up On LANReset Configuration Data PNP/PCI ConfigurationsPNP OS Install Resources Controlled byShutdown Temperature CPU Warning TemperatureTemperatures/Fan Speeds/Voltages PC Health StatusSpread Spectrum Frequency/Voltage ControlAuto Detect DIMM/PCI Clk Set Supervisor/User Password Load Fail-Safe DefaultsLoad Setup Defaults 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