HP 8100 manual System Management, Standard Cmos Locations, Security Functions, Location Function

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System Support

4.4.2 Standard CMOS Locations

Table 4-6 describes standard configuration memory locations 0Ah-3Fh. These locations are accessible through using OUT/IN assembly language instructions using port 70/71h or BIOS function INT15, AX=E823h.

Table 4-6.

Configuration Memory (CMOS) Map

Location

Function

Location

Function

00-0Dh

Real-time clock

24h

System board ID

0Eh

Diagnostic status

25h

System architecture data

0Fh

System reset code

26h

Auxiliary peripheral configuration

10h

Diskette drive type

27h

Speed control external drive

11h

Reserved

28h

Expanded/base mem. size, IRQ12

12h

Hard drive type

29h

Miscellaneous configuration

13h

Security functions

2Ah

Hard drive timeout

14h

Equipment installed

2Bh

System inactivity timeout

15h

Base memory size, low byte/KB

2Ch

Monitor timeout, Num Lock Cntrl

16h

Base memory size, high byte/KB

2Dh

Additional flags

17h

Extended memory, low byte/KB

2Eh-2Fh

Checksum of locations 10h-2Dh

18h

Extended memory, high byte/KB

30h-31h

Total extended memory tested

19h

Hard drive 1, primary controller

32h

Century

1Ah

Hard drive 2, primary controller

33h

Miscellaneous flags set by BIOS

1Bh

Hard drive 1, secondary controller

34h

International language

1Ch

Hard drive 2, secondary controller

35h

APM status flags

1Dh

Enhanced hard drive support

36h

ECC POST test single bit

1Eh

Reserved

37h-3Fh

Power-on password

1Fh

Power management functions

40-FFh

Feature Control/Status

NOTES:

Assume unmarked gaps are reserved.

Higher locations (>3Fh) contain information that should be accessed using the INT15, AX=E845h BIOS function (refer to Chapter 8 for BIOS function descriptions).

4.5 System Management

This section describes functions having to do with security, power management, temperature, and overall status. These functions are handled by hardware and firmware (BIOS) and generally configured through the Setup utility.

4.5.1 Security Functions

These systems include various features that provide different levels of security. Note that this subsection describes only the hardware functionality (including that supported by Setup) and does not describe security features that may be provided by the operating system and application software.

 

4-10

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Technical Reference Guide

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Contents Technical Reference Guide FebruaryTechnical Reference Guide Contents Input/Output Interfaces Processor/Memory SubsystemSystem Support Power and Signal Distribution Integrated Graphics SubsystemSystem Bios Error Messages and Codes IndexIntroduction About this GuideAdditional Information Sources Online ViewingSerial Number Notational ConventionsSpecial Notices ValuesAcronym or Abbreviation Description Common Acronyms and AbbreviationsAcronyms and Abbreviations CDS Eisa IPL Nvram Sdram Uart Introduction System Overview IntroductionFeatures Feature Differences by Form Factor SFF CMTFunction System ArchitectureArchitectural Differences by Form Factor HP Compaq 8100 Elite Business PC Architecture, Block diagram Intel Processor Support ChipsetSupport Components System MemorySupport Component Functions Component Name FunctionMass Storage Serial InterfaceUniversal Serial Bus Interface Network Interface ControllerGraphics Subsystem Audio SubsystemIntel Integrated Graphics Controller Statistics Intel Core i5-661 ProcessorSpecifications Environmental Specifications Factory ConfigurationHP ProtectTools Embedded Security Parameter Operating Non-operatingPower Supply Electrical Specifications Physical SpecificationsParameter Value Parameter SFF CMTSystem Overview Processor/Memory Subsystem Processor/Memory Subsystem ArchitectureIntel Processor Features Intel ProcessorProcessor Changing/Upgrading Supported ProcessorsMemory Subsystem Memory Upgrading Memory Mapping and Pre-allocationMemory Socket Loading Channel a Channel B Socket TotalSystem Memory Map for maximum of 8 gigabytes PCI 2.3 Bus Operation System SupportPCI Bus Overview PCI Component Configuration Access PCI Bus PCI Component Function # Device # Wired toPCI Express Bus Operation Software/Driver LayerTransaction Protocol Layer PCI Bus Mastering DevicesPCI Power Management Support Option ROM MappingPCI Interrupts Link LayerPCI 2.3 Bus Connector Pinout PCI ConnectorsPCI 2.3 Connector PCIe Connectors PCIe Bus Connector PinoutApic Mode System ResourcesInterrupts ModeDirect Memory Access PCI Interrupt DistributionReal-Time Clock and Configuration Memory Clearing CmosConfiguration Memory Cmos Map System ManagementStandard Cmos Locations Security FunctionsPower-On / Setup Password Setup PasswordCable Lock Provision Interface SecurityPower Management Smart Cover Lock OptionalAcpi Wake-Up Events Acpi Wake-Up Event System Wakes FromSystem Operational Status LED Indications System Status PowerLED Beeps Action RequiredSystem Status System I/O Map Register Map and Miscellaneous FunctionsThermal Sensing and Cooling System I/O Map Port FunctionSIO Controller Functions Gpio FunctionsPCH-DO Functions Input/Output Interfaces Pin Sata Connector Pinout SATA/eSATA InterfacesSata interface Pin DescriptionOptional eSATA Bracket/Cable Assembly ESATA interfaceSerial Interface DB-9 Serial Connector PinoutPin Signal Description Standard Parallel Port Mode Enhanced Parallel Port ModeExtended Capabilities Port Mode Parallel Interface SupportPin Signal Function Parallel Interface ConnectorDB-25 Parallel Connector Pinout Keyboard/Pointing Device Interface Keyboard Interface OperationPointing Device Interface Operation Keyboard/Pointing Device Interface ConnectorKeyboard/Pointing Device Connector Pinout PCH USB Port Mapping USB Signals USB Connector Location all form factorsUniversal Serial Bus Interface USB Connector USB Connector PinoutUSB Cable Data USB Cable Length DataAudio Subsystem Functional Block Diagram Audio SubsystemAudio Multistreaming HD Audio ControllerHD Audio Link Bus Parameter Measurement Audio SpecificationsHD Audio Subsystem Specifications Function Activity LED Speed LED Network Interface Controller10. LAN LED Indications Alert Standard Format Support Power Management SupportWake-On-LAN Support NIC Connector NIC Specifications11. NIC Specifications Parameter Compatibility standard orprotocolIntegrated Graphics Subsystem Integrated Graphics Subsystem, Block diagram Functional DescriptionAvailable Total Shared System Memory System Memory Installed Pre-allocatedSystem Available Installed Setting Memory Graphics Memory Maximum Refresh Rate Integrated Graphics Controller Supported ResolutionsResolution Analog Digital Upgrading DB-15 Monitor Connector Pinout Monitor ConnectorsAnalog Monitor Connector DisplayPort Connector Pin SignalIntegrated Graphics Subsystem Power and Signal Distribution Power DistributionSFF 240-Watt Power Supply Unit Specifications CMT 320-Watt Power Supply Unit SpecificationsPower Control Power ButtonPower Button Actions Pressed Power Button ResultsPower LED Indications Condition Power Management Wake Up EventsSystem Power States Power Transition OS RestartState System Condition Consumption To S0 by RequiredSignal Distribution CR1 +5 VDC LEDSystem Board Connector, Indicator, and Switch Designations XBT1System Bios Changeable Splash Screen ROM FlashingUpgrading Boot Functions Boot Device OrderNetwork Boot F12 Support Memory Detection and ConfigurationVisual power LED Audible speaker Meaning Boot Error CodesBoot Error Codes Client Management Functions INT15 Function ModeClient Management Functions Temperature Status System ID and ROM TypeSystem ID Numbers System Form Factor System IDSmbios Functions Type DataUSB Legacy Support Management Engine FunctionsError Messages and Codes Beep/Power LED CodesTable A-1 Beep/Power LED Codes Beeps Power LED Probable CausePower-On Self Test Post Messages Table A-2 Error Messages and Codes System Error Messages Table A-3 System Error Messages Probable CauseMemory Error Messages Memory Error MessagesTable A-4 Message Probable CauseKeyboard Error Messages Table A-5 Keyboard Error Messages Probable CausePrinter Error Messages Video Graphics Error MessagesTable A-6 Printer Error Messages Probable Cause Table A-7 Video Graphics Error Messages Probable CauseDiskette Drive Error Messages Table A-8 Diskette Drive Error Messages Probable CauseSerial Interface Error Messages Table A-9 Serial Interface Error Messages Probable CauseModem Communications Error Messages Table A-11 System Status Error MessagesSystem Status Error Messages Hard Drive Error Messages Table A-12 Hard Drive Error Messages Probable CauseXx = 03, Hard drive read/write compare test Table A-13 Hard Drive Error Messages Probable Cause Table A-15 Audio Error Messages Probable Cause Audio Error MessagesTable A-14 Video Graphics Error Messages Probable Cause 17 DVD/CD-ROM Error Messages Network Interface Error MessagesDVD/CD-ROM Error Messages Table A-17 Network Interface Error Messages Probable CauseScsi Interface Error Messages 65xx-xx, 66xx-xx Table A-18 Scsi Interface Error MessagesPointing Device Interface Error Messages 8601-xx Error Messages and Codes Index NumericsIndex
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