Intel MB820 Security Option, Apic Mode, MPS Version Control for OS, OS Select for Dram 64MB

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BIOS SETUP

Security Option

This field allows you to limit access to the System and Setup. The default value is Setup. When you select System, the system prompts for the User Password every time you boot up. When you select Setup, the system always boots up and prompts for the Supervisor Password only when the Setup utility is called up.

APIC Mode

APIC stands for Advanced Programmable Interrupt Controller. The default setting is Enabled.

MPS Version Control for OS

This option is specifies the MPS (Multiprocessor Specification) version for your operating system. MPS version 1.4 added extended configuration tables to improve support for multiple PCI bus configurations and improve future expandability. The default setting is

OS Select for DRAM > 64MB

This option allows the system to access greater than 64MB of DRAM memory when used with OS/2 that depends on certain BIOS calls to access memory. The default setting is Non-OS/2.

Report No FDD For WIN 95

If you are using Windows 95/98 without a floppy disk drive, select Enabled to release IRQ6. This is required to pass Windows 95/98's SCT test. You should also disable the Onboard FDC Controller in the Integrated Peripherals screen when there's no floppy drive in the system. If you set this feature to Disabled, the BIOS will not report the missing floppy drive to Win95/98.

Small Logo (EPA) Show

The EPA logo appears at the right side of the monitor screen when the system is boot up. The default setting is Enabled.

MB820 User’s Manual

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Image 39 Intel MB820 Security Option, Apic Mode, MPS Version Control for OS, OS Select for Dram 64MB, Report No FDD For WIN
Contents Version USER’S ManualAcknowledgments Table of Contents This page is intentionally left blank Introduction ChecklistProduct Description Board Dimensions Installations Installing the Memory ATX Power InstallationSetting 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 JP7 DiskOnChip Address Select JP8 Onboard VGA Enable/DisableConnectors on MB820 Connector Locations on MB820 DIMM3, DIMM4 DDR Channel B Connectors ATXP1 ATX Power Supply ConnectorATXP2 ATX 12V Power Connector DIMM1, DIMM2 DDR Channel a ConnectorsCN1 PS/2 Keyboard and PS/2 Mouse Connectors CN2 4-port USB ConnectorCN3, J3 Serial Ports CN6 VGA CRT Connector CN4 Parallel Port ConnectorJ4 CD-In Audio Connector CN7 USB and LAN RJ45 ConnectorsCN8 Audio Connector J1 IrDA ConnectorJ5, J6 Serial ATA Sata Connectors J8, J10 COM3 and COM4 Serial Ports ConnectorJ9 Wake On LAN Connector J12 System Function Connector J11 Digital I/O Connector 4 in, 4 outPower LED Pins 11 FAN1 CPU Fan Power Connector FAN2 VGA Fan Power ConnectorFAN3 Chassis Fan Power Connector RM/LC FDD1 Floppy Drive ConnectorIRQ15 IDE, IDE2 Primary and Secondary IDE ConnectorsSample Code Watchdog Timer ConfigurationMov Cl, 0F5h Call ReadReg Al, not 08h Call WriteReg Out dx, al Installations Bios Setup Bios Setup Bios IntroductionPhoenix AwardBIOS Cmos Setup Utility Date Standard Cmos SetupTime IDE Primary HDDs / IDE Secondary HDDsDrive a / Drive B Halt On VideoCPU L1 and L2 Cache Advanced Bios FeaturesHard Disk Boot Priority Quick Power On Self TestBoot Up NumLock Status First/Second/Third Boot DeviceBoot Other Device Boot Up Floppy SeekOS Select for Dram 64MB Apic ModeSecurity Option MPS Version Control for OSAdvanced Chipset Features AGP Aperture Size IDE Integrated PeripheralsIDE Primary/Secondary Master/Slave PIO IDE HDD Block ModeIDE DMA Transfer Access OnChip Primary/Secondary PCI IDEUSB Keyboard Support On-Chip Serial ATAUSB Controller USB 2.0 ControllerUart Mode Select Parallel Port ModeChip Select Pin Power Management Setup Power ManagementAcpi Function Video Off In Suspend Suspend ModeHDD Power Down Video Off MethodWake Up On LAN Power On by RingResume by Alarm Reload Global Timer EventsResources Controlled by PNP/PCI ConfigurationsPNP OS Install Reset Configuration DataPC Health Status CPU Warning TemperatureTemperatures/Fan Speeds/Voltages Shutdown TemperatureFrequency/Voltage Control Auto Detect DIMM/PCI ClkSpread Spectrum Save & Exit Setup Load Fail-Safe DefaultsLoad Setup Defaults Set Supervisor/User PasswordDrivers 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