HP 8100 manual Gpio Functions, PCH-DO Functions, SIO Controller Functions

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System Support

4.6.2 GPIO Functions

PCH-DO Functions

The PCH-D0 provides various functions through the use of programmable general purpose input/output (GPIO) ports. These systems use GPIO ports and associate registers of the PCH for the following functions:

PCI interupt request control

Chassis and board ID

Hood (cover) sensor and lock detect

Media card reader detect

S4 state indicator

USB port over-current detect

Flash security override

Serial port detect

REQn#/GNTn# sigal control

Password enable

Boot block enable

SIO Controller Functions

In addition to the serial and parallel port functions, the SIO controller provides the following specialized functions through GPIO ports:

Power/Hard drive LED control for indicating system events (refer to Table 4-8)

Hood lock/unlock controls the lock bar mechanism

Thermal shutdown control turns off the CPU when temperature reaches certain level

Processor present/speed detection detects if the processor has been removed. The occurrence of this event will, during the next boot sequence, initiate the speed selection routine for the processor.

Legacy/ACPI power button mode control uses the pulse signal from the system's power button and produces the PS On signal according to the mode (legacy or ACPI) selected. Refer to chapter 7 for more information regarding power management.

 

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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 IndexAdditional Information Sources IntroductionAbout this Guide Online ViewingSpecial Notices Serial NumberNotational Conventions 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 Component Functions Support ComponentsSystem Memory Component Name FunctionUniversal Serial Bus Interface Mass StorageSerial Interface Network Interface ControllerIntel Integrated Graphics Controller Statistics Graphics SubsystemAudio Subsystem Intel Core i5-661 ProcessorHP ProtectTools Embedded Security SpecificationsEnvironmental Specifications Factory Configuration Parameter Operating Non-operatingParameter Value Power Supply Electrical SpecificationsPhysical Specifications Parameter SFF CMTSystem Overview Processor/Memory Subsystem Processor/Memory Subsystem ArchitectureIntel Processor Features Intel ProcessorProcessor Changing/Upgrading Supported ProcessorsMemory Subsystem Memory Socket Loading Memory UpgradingMemory Mapping and Pre-allocation 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 toTransaction Protocol Layer PCI Express Bus OperationSoftware/Driver Layer PCI Bus Mastering DevicesPCI Interrupts PCI Power Management SupportOption ROM Mapping Link LayerPCI 2.3 Bus Connector Pinout PCI ConnectorsPCI 2.3 Connector PCIe Connectors PCIe Bus Connector PinoutInterrupts Apic ModeSystem Resources ModeDirect Memory Access PCI Interrupt DistributionReal-Time Clock and Configuration Memory Clearing CmosStandard Cmos Locations Configuration Memory Cmos MapSystem Management Security FunctionsCable Lock Provision Power-On / Setup PasswordSetup Password Interface SecurityAcpi Wake-Up Events Power ManagementSmart Cover Lock Optional 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 Sata interface Pin Sata Connector PinoutSATA/eSATA Interfaces Pin DescriptionOptional eSATA Bracket/Cable Assembly ESATA interfaceSerial Interface DB-9 Serial Connector PinoutPin Signal Description Extended Capabilities Port Mode Standard Parallel Port ModeEnhanced Parallel 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 Cable Data USB ConnectorUSB Connector Pinout 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 11. NIC Specifications NIC ConnectorNIC 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 Button Actions Power ControlPower Button Pressed Power Button ResultsPower LED Indications Condition Power Management Wake Up EventsState System Condition System Power StatesPower Transition OS Restart Consumption To S0 by RequiredSignal Distribution CR1 +5 VDC LEDSystem Board Connector, Indicator, and Switch Designations XBT1System Bios Changeable Splash Screen ROM FlashingUpgrading Network Boot F12 Support Boot FunctionsBoot Device Order Memory Detection and ConfigurationVisual power LED Audible speaker Meaning Boot Error CodesBoot Error Codes Client Management Functions INT15 Function ModeClient Management Functions System ID Numbers Temperature StatusSystem ID and ROM Type System Form Factor System IDSmbios Functions Type DataUSB Legacy Support Management Engine FunctionsTable A-1 Beep/Power LED Codes Error Messages and CodesBeep/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 CauseTable A-4 Memory Error MessagesMemory Error Messages Message Probable CauseKeyboard Error Messages Table A-5 Keyboard Error Messages Probable CauseTable A-6 Printer Error Messages Probable Cause Printer Error MessagesVideo Graphics Error Messages 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 DVD/CD-ROM Error Messages 17 DVD/CD-ROM Error MessagesNetwork Interface 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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