IBM 500 manual Fixed Bios Entry Points, Location

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SurePOS 500 4846-XX5 Technical Reference

Memory Location 40:96h

This word contains the extended keyboard status.

Memory Location 40:72h

This word contains the soft reset flag.

Int 10h – Video

This interrupt is supported by the video ROM. Int 11h - Equipment Determination

Returns the data at memory location 40:10h.

Memory Location 40:10h

This word contains the equipment list.

Int 12h - Base Memory Size

Returns the value at memory location 40:13h.

Memory Location 40:13h

This word contains the amount of memory up to 640 KB. This count will often be less than 640 KB due to NIC ROM bootloaders.

Int 13h - HDD and Floppy Diskette Services

Int 14h - Serial Communication Services

Int 15h - System Services

Sub functions are those defined by the IBM Personal System/2 and Personal Computer BIOS Interface Technical Reference manual. Additional sub function support is OEM dependent.

Int 16h - Keyboard Services

Int 1Ah - System-Timer Services, PCI BIOS

Int 1Bh – CTRL+Break Handler

Int 1Ch - Periodic Timer Interrupt

Int 1Dh - Video Parameter Table Set by the video BIOS

Int 1Eh - Floppy Diskette Drive Parameters Points to an 11-byte data structure

Int 1Fh - Video Graphics Characters Set by the video BIOS

Int 23h - CTRL+C, CTRL+Break Handler

Int 41h - HDD C: Drive Parameters

Points to a 16-byte data structure for drive C:

Int 46h - HDD D: Drive Parameters

Points to a 16-byte data structure for drive D:

3.5Fixed BIOS Entry Points

The fixed entry points in F000:xxxx must be supported for traditional reasons. The table below lists the fixed BIOS entry points.

Location

F000:E05Bh

F000:E2C3h

F000:E6F2h

F000:E6F5h

F000:E729h

F000:E739h

F000:E82Eh

F000:E987h

F000:EC59h

F000:EF57h

F000:EFC7h

F000:EFD2h

Description

POST Entry Point

NMI Entry Point Int 19h Entry Point Configuration Data Table Baud Rate Generator Table Int 14h Entry Point

Int 16h Entry Point

Int 09h Entry Point

Int 13h Floppy Entry Point Int 0Eh Entry Point

Floppy Disk Controller Parameter Table Compatibility for printer Int 17h

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Contents SurePOS 500 4846-XX5 Technical Reference SurePOS 500 4846-545/565 Technical ReferenceVersion Date Change Description 16/07 Initial Release Change HistoryTable of Contents Environmental Specifications Error! Bookmark not definedModels SpecificationsIntroduction HighlightsLAN Related Publications80GB Sata Comparison with predecessor products Feature 4846-XX5 4840-XX3/XX4 4851-514Ship Group Factory Select FeatureKey optional features Product StructureSystem management programs Supported DevicesOperating System/POS Driver Support System managementSupported memory keys System DiagnosticsPhysical Characteristics Dimensions and weights Remote managementMeasurement a Measurement B See figure below Component WeightControls Visual IndicatorsMSR Connector/Controls IdentifierIdentifier Function SurePOS 500 4846-XX5 Technical Reference Product Description Block Diagram Subsystem Smsc SC3106 Super I/O Controller LogicProcessor Intel Celeron D 326 2.53Ghz South Bridge Intel ICH6Hard Disk Drive Inch TFT 11.3 LCDMagnetic Stripe Reader Integrated and DistributedBIG5 Attribute SpecificationAll Points Addressable APA Display Built-in speakers X6X models only Functional Standards Bios and software descriptionSetup Standard Bios FeaturesBios Interrupts Fixed Bios Entry Points BDA Memory Addresses SurePOS 500 4846-XX5 Technical Reference Start Location Length in bytes Description Comments Ebda Memory AddressesMemory Map Type COM Port SetupPhysical Tailgate Function Connector Location Default Port Video ModesCGA Sxga VGASvga XvgaOperating system with display combinations and restrictions Display mode and operating system restrictionsDisplay Configuration Definition Onboard LCD and one extra attached LCDFunction Supported From State Power Management 3.11.1 APMSupported video resolutions in Windows operating system Acpi Cumulative Structure List System Information Data SmbiosVital Product Data VPD Layout in SmbiosSmbios Type 11 Structure Layout VPD using Int 15hEnvironmental Specifications Mprii Ergonomics and accessibilityPort Listing Port Power RatingsPort Electrical Interface Connector Type External PortsPin Connector Connector Pinouts Customer Display ConnectorMSR connector Pin Signal Shell Shield USB Plus PowerUSB port connector Keyboard, Mouse connectorSerial Connector Microphone connectorHeadphone Connector MON ID3 Ethernet connectorExternal video connector MON ID15 RJ45 to RS232 Cable Signal Pin number, RJ45 End Pin number, RS232 endCash Drawer Internal Customer DisplayCmos Setup Utility Standard Cmos Features CD-ROM Boot Priority Advanced Bios FeaturesCPU Feature Hard Disk Boot PriorityOptions First Boot DeviceQuick Power On Self Test Second Boot DeviceAlternate Boot Sequence Third Boot DeviceFourth Boot Device Boot Other DeviceHDD S.M.A.R.T. Capability No Setup Touch EntryBoot Up NumLock Status Security OptionThermal Management Hard Disk Boot PriorityCPU Feature On-Chip Serial ATA Execute Disable BitIntegrated Peripherals Limit Cpuid MaxValOptions Serial Port B I/O Onboard DeviceSerial Port a I/O Serial Port a IRQOptions Serial Port D I/O MSR I/OOptions Serial Port D Function Serial Port D IRQSerial Port C IRQ SurePOS 500 4846-XX5 Technical Reference Touch Screen I/OTouch Screen IRQ Serial Port C I/OUSB Keyboard Support On Board DeviceUSB Controller USB 2.0 ControllerPC-Beep from Speaker Typematic Rate SettingOptions Typematic Delay Msec Audio SupportSuspend Mode Power Management SetupPower Management State After Power Failure HDD Power DownPower Button Mode SurePOS 500 4846-XX5 Technical Reference Options Wake on AlarmDate of Month Alarm Time hhmmss AlarmResources Controlled By PnP/PCI ConfigurationsPNP OS Installed Reset Configuration DataPC Health Status Thermal Profile Thermal ProfileCPU Fan Speed END of Document

500 specifications

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