Intel ETX CD manual Cache Memory, Write Protect

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10 BIOS Operation

Cache Memory

 

 

Feature

 

Option

 

Description

 

 

Memory Cache

 

 

Enabled

 

Enables/disables the memory cache system

 

 

 

 

 

Disabled

 

 

 

 

 

 

 

 

 

 

 

 

Cache System BIOS area

 

Write Protect

 

Cache setting for System BIOS area

 

 

Cache Video BIOS area

 

 

uncached

 

Cache setting for System BIOS area

 

 

 

Cache Base 0-512k

 

 

Uncached

 

 

 

 

 

 

Cache Base 512k-640k

 

Write Through

 

 

 

 

 

 

Cache Extended Memory Area

 

 

Write Protect

 

 

 

 

 

 

 

 

Write Back

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cache A000 - AFFF

 

 

Disabled

 

 

 

 

 

 

 

 

 

USWC Caching

 

 

 

 

 

 

Cache B000 - BFFF

 

 

Write Through

 

 

Uncached = Disabled: This block is not

 

 

 

 

 

Write Protect

 

 

cached at all

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Write Back

 

 

USWC Caching: Uncached Speculative Write

 

 

 

Cache C800 - CBFF

 

Disabled

 

 

Combined

 

 

 

 

 

 

Write Through

 

 

Write Through: Writes are cached and send

 

 

 

Cache CC00 - CFFF

 

 

Write Protect

 

 

to main memory at once

 

 

 

 

 

 

Write Back

 

 

Write Protect: Writes are ignored

 

 

 

Cache D000 - D3FF

 

Disabled

 

 

Write Back: Writes are cached, but not sent

 

 

 

Cache D400 - D7FF

 

Write Through

 

 

to main memory until necessary

 

 

 

Cache D800 - DBFF

 

 

Write Protect

 

 

 

 

 

 

Cache DC00 - DFFF

 

Write Back

 

 

 

 

 

 

Cache E000 - E3FF

 

Disabled

 

 

 

 

 

 

Cache E400 - E7FF

 

 

Write Through

 

 

 

 

 

 

Cache E800 - EBFF

 

Write Protect

 

 

 

 

 

 

Cache EC00 - EFFF

 

Write Back

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Kontron User's Guide ETX CD

69

Image 69
Contents Document Revision All not approved entries are marked ETX CDThis page intentionally left blank Table of Contents Kontron Users Guide ETX CD Connector X4 IDE 1, IDE 2, Ethernet, Miscellaneous10.2 10.110.2.1 10.3User Information Asia Europe North/South America Technical SupportETX-CD IntroductionIntroduction 2x Serial ATA Sata 1x Parallel ATA IDEETX Benefits ETX DocumentationFunctional Specifications SpecificationsSerial Digital Video Output Sdvo Intel 945GM System MemoryPCI 32 Intel ICH7 Enhanced Intelligent Drive Electronics Eide Intel ICH7Bios Phoenix, 1MB Flash-BIOS in Firmware Hub Flash Memory AC ’97 Audio Intel 945GMTrustes Platform Module TPM Block diagram Electrical Specifications Mechanical SpecificationsPower Consumption Windows XP SP2 Cmos Battery Power ConsumptionETX-CD Core Duo Processor T2500 Temperature Environmental SpecificationsMtbf HumiditySpecifications Connector Locations ETX connectorsGeneral Signal Description ETX connectorsPin Signal Connector X1 PCI bus, USB, AudioConnector X1 Signal Levels Pin 1-50 Power PCI USB AudioPin Signal Description Type Termination Comment Pin 51-100 Power PCI USB Audio Pin Signal DescriptionType Termination Comment 3V Power Supply for External Components Connector X1 Signal DescriptionPCI Bus AudioConnector X2 ISA Bus Pin 1-50 Power ISA Connector X2 Signal LevelsPin 51-100 Power ISA ISA Bus Slot Connector X2 Signal DescriptionFlat-Panel Interfaces Lvds Interface Pinout JiliParallel Port / Floppy Interfaces Parallel Port Mode Pinout Floppy Support Mode PinoutDCD1# SLCT# WGATE# DSR1# Msclk CTS1# Msdat TXD1 Kbclk Pin 1-50 Power VGA Lcdtv Connector X3 Signal LevelsPin 51-100 Power COM LPT Floppy KB/MS/IR VGA Output Connector X3 Signal DescriptionSerial Ports 1 PS/2 KeyboardIrDA Parallel PortFloppy Connector X4 IDE 1, IDE 2, Ethernet, Miscellaneous Connector X4 SubsystemsPin 1-50Power IDE Ethernet Power control Misc Connector X4 Signal LevelsPin Signal Description Type Power Control Connector X4 Signal DescriptionPower Management IDE PortsSdvo Connector and Flat Foil Cable Feature Connector J11Sdvo Output Miscellaneous CircuitsBios Requirements Pinout Feature Connector J11Pin Pin on ETX-CD Description Reserved Watchdog Timer Special FeaturesSpecial Features ConfigurationDesign Considerations Heatspreader DimensionsThermal Management Design ConsiderationsPage I/O Apic vs 8259 PIC Interrupt mode Important Technology InformationThermal Monitor and Catastrophic Thermal Protection Processor Performance Control SummaryActive Cooling Schematics of Fan control ETX-CD onboard Fan connectorPassive Cooling Critical Trip PointPinout Kontron Users Guide ETX CD Location and Pinout of Fan connector J6Bios Settings Electrical characteristicsVcc = Imax continuous = 68 a Imax pulsed = Processor Clock Throttling Acpi Suspend Modes and Resume EventsPage 8259 PIC mode System ResourcesInterrupt Request IRQ Lines Direct Memory Access DMA Channels Apic modeUsed For Available Available for PCI Comment I/O Address Map Memory AreaPeripheral Component Interconnect PCI Devices Inter-IC I2C BusJILI-I2C Bus ISA Bus LimitationsWindows LimitationsDetermining the Bios Version Bios OperationSetup Guide Start Phoenix Bios Setup UtilityDisplaying Submenus Selecting an ItemItem Specific Help Window General Help WindowInfo Screen Bios Setup MenusMain Menu DisabledAuto IDE Channels SubmenuAdvanced Advanced Chipset Control CPU Control Feature bit to always returnChipset control DefaultDvmt Integrated VideoISA Options Other PCI/PNP ConfigurationPCI/PNP ISA UMB Region Exclusion PCI/PNP ISA IRQ Resource Exclusion Write Protect Cache MemoryDevice Configuration Lan Options IRQ4 Super I/O Controller OptionsUSB ports Console Redirection 30/sec Keyboard Features SubmenuHardware Monitor Watchdog Settings CRT + LFP Display ControlMiscellaneous Submenu Security Menu Yes Power MenuPOR CPU Thermal Control CircuitFeature Option Descpription Boot MenuExit Menu Feature DescriptionCannot flash when memory managers are present Updating or Restoring BiosPreventing Problems When Updating or Restoring Bios Appendix a Jida Standard Jida InformationAppendix a Jida Standard Appendix B PC Architecture Information 12.1.1 ISA, Standard PS/2 ConnectorsBuses 12.1.2 PCI/10412.2.1 RS-232 Serial PortsSerial ATA 12.2.3 USBKontron Users Guide ETX CD Appendix C Document Revision Appendix C Document RevisionRev. Date Author Changes