Intel AP440FX specifications I/O Map, Address hex Size Description

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AP440FX Motherboard Technical Product Specification

2.2 I/O Map

Table 29. I/O Map

Address (hex)

Size

Description

Address (hex)

Size

Description

0000

- 000F

 

16 bytes

 

PIIX3 - DMA 1

0376

 

1 byte

 

Sec IDE Chan Cmd Port

0020 - 0021

 

2 bytes

 

PIIX3 - Interrupt Controller 1

0377

 

1 byte

 

Sec IDE Chan Stat Port

002E - 002F

 

2 bytes

 

87307 Base Configuration

0378 - 037F

 

8 bytes

 

Parallel Port 1

0040

- 0043

 

4 bytes

 

PIIX3 - Timer 1

0388 - 038B

 

4 bytes

 

CS4236 Audio

0060

 

 

1 byte

 

Keyboard Controller Byte -

03B0 - 03BB

 

12 bytes

 

S3 Virge or Virge/DX

 

 

 

 

 

Reset IRQ

 

 

 

 

 

0061

 

 

1 byte

 

PIIX3 - NMI, speaker control

03BC - 03BF

 

4 bytes

 

Parallel Port 3

0064

 

 

1 byte

 

Kbd Controller, CMD/STAT

03C0 - 03DF

 

32 bytes

 

S3 Virge or Virge/DX

 

 

 

 

 

Byte

 

 

 

 

 

0070, bit 7

 

1 bit

 

PIIX3 - Enable NMI

03E8 - 03EF

 

8 bytes

 

Serial Port 3

0070, bits 6:0

 

7 bits

 

PIIX3 - Real Time Clock,

03F0 - 03F5

 

6 bytes

 

Floppy Channel 1

 

 

 

 

 

Address

 

 

 

 

 

0071

 

 

1 byte

 

PIIX3 - Real Time Clock,

03F6

 

1 byte

 

Pri IDE Chan Cmd Port

 

 

 

 

 

Data

 

 

 

 

 

0078

 

 

1 byte

 

Reserved - Brd. Config.

03F7 (Write)

 

1 byte

 

Floppy Chan 1 Cmd

0079

 

 

1 byte

 

Reserved - Brd. Config.

03F7, bit 7

 

1 bit

 

Floppy Disk Chg Chan 1

0080

- 008F

 

16 bytes

 

PIIX3 - DMA Page Register

03F7, bits

 

7 bits

 

Pri IDE Chan Status Port

 

 

 

 

 

 

6:0

 

 

 

 

00A0 - 00A1

 

2 bytes

 

PIIX3 - Interrupt Controller 2

03F8 - 03FF

 

8 bytes

 

Onboard Serial Port 1

00C0 - 00DE

 

31 bytes

 

PIIX3 - DMA 2

04D0 - 04D1

 

2 bytes

 

Edge/level triggered

00F0-00FF

 

16 bytes

 

Math Coprocessor

LPT + 400h

 

8 bytes

 

ECP port, LPT + 400h

 

 

 

 

 

Compatible I/O Registers

 

 

 

 

 

0170

- 0177

 

8 bytes

 

Secondary IDE Channel

0608 - 060B*

 

4 bytes

 

CS4236 Audio

01F0 - 01F7

 

8 bytes

 

Primary IDE Channel

0CF8**

 

1 byte

 

PCI Config Address Reg.

0200 - 0207

 

8 bytes

 

Game Port

0CF9

 

1 byte

 

Turbo & Reset control

 

 

 

 

 

 

 

 

 

 

Reg.

0228 - 022F

 

8 bytes

 

Parallel Port 3, ECP/EPP

0CFC-0CFF

 

4 bytes

 

PCI Config Data Reg

 

 

 

 

 

Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

290 - 0297

 

8 bytes

 

Management Extension

0FE0-0FE7

 

8 bytes

 

CS4236 Audio

 

 

 

 

 

Hardware

 

 

 

 

 

0240-024F

 

16 bytes

 

CS4236 Audio

FF00 - FF07

 

8 bytes

 

IDE Bus Master Reg.

0278

- 027B

 

4 bytes

 

Parallel Port 2

FF80 - FF9F

 

32 bytes

 

PCI Universal Serial Bus

02E8-02EF

 

8 bytes

 

Serial Port 4

FFA0 - FFA7

 

8 bytes

 

IDE primary Channel

02F8 - 02FF

 

8 bytes

 

Onboard Serial Port 2

FFA8 - FFAF

 

8 bytes

 

IDE secondary channel

 

 

 

 

 

 

 

 

 

 

0330 - 0331

 

2 bytes

 

MPU-401 (MIDI)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*This is only part of one of the Windows Sound System (WSS) selectable ranges. The defined ranges are 0530-0537, 0604- 060B, 0E80-0E87, or 0F40-0F47. Only one of these ranges needs to be used for WSS to work.

**Only by DWORD accesses.

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Contents AP440FX Motherboard Revision Revision HistoryDate Table of Contents Motherboard Bios and Setup Utility AP440FX Motherboard Technical Product SpecificationError Messages and Beep Codes ContentsAP440FX Motherboard Technical Product Specification Motherboard Description OverviewMotherboard Features Key to Motherboard Features Motherboard Manufacturing Options Form FactorMotherboard Description Back Panel I/O Shield Dimensions I/O ShieldMicroprocessor Upgrade MicroprocessorMicroprocessor Heatsink and Clips Dram Main System MemoryChipset Parity and ECC Dram2 82442FX Data Bus Accelerator DBX 3 82371SB PCI/ISA IDE Xccelerator PIIX3IDE Support Secure Flash SupportUSB Support PC87307 Super I/O Controller Floppy ControllerKeyboard and Mouse Interface Infrared Support Real-Time Clock, Cmos RAM and BatteryGraphics Subsystem Parallel Port1 S3 ViRGE Graphics Subsystem S3 ViRGE Supported ResolutionsResolution Refresh rate Hz2 S3 ViRGE/DX Graphics Subsystem LBP Vesa Feature ConnectorS3 ViRGE/DX Supported Resolutions Graphics Drivers and UtilitiesAudio Subsystem Management Extension HardwareMotherboard Connectors Motherboard Connector Locations Front Panel Connectors Front Panel I/O Connector J2A1Pin Signal Name Swon Infrared ConnectorPower-ON LED Sleep/ResumeFan Connector J4A1 ResetKeylock Connector J3A1 Keylock Connector J3A1Signal Name Pin Memory/Expansion ConnectorsPCI/ISA Riser Connector J6J2 Signal PinSA9 SA8 SA7 SA6 SA5 SA4 SA3 SA2 SA1 SA0 SBHE# Serial Header Vesa Feature ConnectorLBP Vesa Feature Connector J1K1 Serial Port COM2H, J3N1 PinoutWavetable Upgrade Connector J9L1 Audio ConnectorsCD-ROM Connector J9N1 Telephony Connector J9K1External 3.3 V Power Supply Connector J9J1 Power Supply ConnectorsPrimary Power Supply Connector J9H1 NameFloppy Drive Connector J8L1 Floppy/IDE ConnectorsSoft-Off Power Supply Connector J9F1 Pin NameLists the pinout and signal names for the IDE connectors IDE Connectors J8H1, J9H2Back Panel Connectors VGA Video ConnectorVGA Video Connector J1N1 USB Back Panel Connectors 12.8.2 COM1 Serial PortKeyboard and Mouse Ports Parallel Port Connector Pinout Parallel PortDescription Pin Jumper Settings Jumper LocationsMicroprocessor/System Speed Settings Microprocessor Configuration J4L2Motherboard Configuration J4L2, J1J1 J4L2-A J4L2-B J4L2-CReliability Configuration Jumper SettingsConfiguration JumperPower Usage Power ConsumptionMotherboard Environmental Specifications EnvironmentalPower Supply Considerations SafetyRegulatory Compliance 17.2 EMI Product Certification MarkingsAddress Range Decimal Memory MapMemory Map Address Range hexI/O Map O MapAddress hex Size Description Soft-Off Control PCI Configuration Space MapPCI Configuration Space Map DMA ChannelsInterrupts InterruptsIntroduction Bios Flash Memory OrganizationBios Upgrades Flash Memory OrganizationPCI IDE Support PCI Auto-ConfigurationRecommendations for Configuring an Atapi Device Primary CableMotherboard Bios and Setup Utility ISA Plug and PlayDesktop Management Interface DMI Advanced Power Management APM Advanced Power Control APCOverview of the Setup Menu Screens Boot OptionsSetup Enable Jumper Language SupportSystem Time Main Bios Setup ScreenSystem Date Floppy OptionsFloppy Options Subscreen Floppy a Type IDE Device Configuration SubscreenIDE Device Configuration Floppy B TypeHeads IDE Translation ModeMultiple Sector Setting SectorsBoot Options Subscreen Num Lock Setup PromptHard Disk Pre-Delay Typematic Rate ProgrammingAdvanced Screen Event Logging Configuration Peripheral Configuration SubscreenSerial Port 1 Interface Serial Port 2 IR ModeSerial Port Configuration Options Serial Port 2 AddressParallel Port Interface ∙ Compatible defaultParallel Port Configuration Options Parallel Port TypeAudio Interface ECP Compatible Configuration OptionsUSB Interface Hardware Monitor InterfaceAdvanced Chipset Configuration Subscreen Video Palette Snoop Latency Timer PCI ClocksOnboard Video IRQ ISA VGA Write CombiningPower Management Configuration Subscreen Plug and Play Configuration Subscreen ∙ C8000h default ISA Shared Memory SizeISA Shared Memory Base Address Event Count Granularity IRQ 3, 4, 5, 7, 9, 10, 11, 12, 14Event Log Capacity Event Time Granularity MinutesClear Event Log ∙ Keep default∙ Do Not Mark default Mark Existing Events as ReadSecurity Screen Security Screen OptionsExit Screen Page Bios Beep Codes Bios Beep CodesPCI Configuration Error Messages PCI Configuration Error MessagesChained PCI Error Messages Bios Error Messages Bios Error MessagesError Messages and Beep Codes ISA NMI Messages ISA NMI MessagesISA NMI Message

AP440FX specifications

The Intel AP440FX is a pivotal motherboard that was released in the late 1990s, designed to support the Intel Pentium II and Pentium III processors. Known for its robust performance and versatile functionalities, the AP440FX became a popular choice among computer enthusiasts and system builders during its time.

One of the defining features of the Intel AP440FX is its support for the Intel 440FX chipset. This chipset provided improved system performance through its use of a 66 MHz front-side bus, which allowed for faster data transfer between the CPU and the memory. The motherboard was equipped with two DIMM slots capable of supporting a maximum of 512 MB of SDRAM, providing users with the flexibility to choose the amount of memory they required for their applications.

Another notable characteristic of the AP440FX motherboard is its integrated support for various peripheral interfaces. It comes equipped with multiple ISA and PCI slots, allowing users to expand their system capabilities through the addition of various cards. The presence of two USB ports, which were relatively new at the time of its release, gave users access to a wider range of peripherals and external devices.

The Intel AP440FX also features an integrated IDE controller, enabling connection for hard drives and optical drives without the need for additional controller cards. This integrated solution simplified storage management for users and contributed to the overall efficiency of the system. The motherboard also supported SCSI through optional daughter cards, catering to users who required high-speed data transfer and reliable disk storage solutions.

Moreover, the AP440FX was designed with future upgrades in mind. Its BIOS supported plug-and-play installations, allowing users to easily configure new hardware components without extensive troubleshooting. Additionally, the ATX form factor of the motherboard contributed to its compatibility with a wide range of cases and power supplies.

In terms of power management, the Intel AP440FX incorporated advanced features such as ACPI (Advanced Configuration and Power Interface), which allowed for better power efficiency and management of power states. This feature was particularly beneficial for users looking to reduce energy consumption and improve the overall longevity of their systems.

All in all, the Intel AP440FX represented a significant advancement in motherboard technology during its era. Its combination of robust performance, upgradeability, and support for new technologies made it a popular choice for users looking to build powerful and efficient computing systems.
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