SOYO P55C, P54C manual Multi I/O Port Addresses

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Hardware Setup

15

Multi I/O Port Addresses

Default settings for multi I/O port addresses are shown in the table below.

Port

I/O Address

IRQ

Status

 

 

 

 

LPT1*

378H

7

ECP + EPP

 

 

 

 

COM1

3F8H

4

 

COM2

2F8H

3

 

If default I/O port addresses conflict with other I/O cards (e.g. sound cards or I/O cards ) , you must adjust one of the I/O addresses to avoid address conflict. (You can adjust these I/O addresses from the BIOS)

Note: Some sound cards have a default IRQ setting for IRQ7, which may conflict with printing functions. If this occurs do not use sound card functions at the same time you print.

Connectors

Attach the mainboard to case devices via connectors on the mainboard. Refer to

Figure 1-1 for connector locations and connector pin positions.

COM1, COM2 – COM1/COM2 Connectors

Attach COM1/COM2 device to these connectors.

FDC Connector

Attach floppy cable to this connector.

J19 – Hardware Reset Control

Attach the reset switch to J19. Closing the Reset switch restarts the system.

J24 – HDD LED Connector

Attach the cable of hard disk drive LED to this connector. The LED lights when an HDD is active.

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Contents 5EAS5 Soyotm Table of Contents Bios setup… … ..… .… … … ..… … … .… … Supports 1 stripsof 8/16/32 MB Unbuffered DIMMs Key FeaturesSupports Socket 7 for upgrade On-board supports Flash Memory for easy upgrade BiosUnpacking the Mainboard Electrostatic Discharge PrecautionsTAG Sram Mainboard Layout w/ Default SettingsMainboard Default Setting Remarks on the Cyrix and IBM P200+ CPUs Jumpers Hardware SetupJP16 PCI Bus Asynchronous/Synchronous Jumper Frequency Setting CPU Type Configuration2. CPU Jumper Settings Stability Ð1Ð3. CPU Jumper Settings 3. CPU Jumper Settings Stability 1. Single Voltage 3.3V CPU 3 Dual Voltage CPU Bank Bank 1 & Bank Dimm Bank 2& Dimm Multi I/O Port Addresses CN1 PS/2 Mouse Connector J18 Speaker Connector Bios Setup Standard Cmos Setup Drive a & B Video Halt On Bios SetupCache Bios Features SetupQuick Power CPU InternalSwap Floppy Boot SequenceBoot Up Num SettingControl Adapter BiosIDE Second ChannelConfiguration Chipset Features SetupDram Auto Write Pipeline Video Bios CacheableSdram Cycle Length Read PipelinePower Management Setup Doze Mode Video Off Method Choose V/H Sync+Blank default, BlankConserve Mode HDD Power DownPrimary Intr DMA/masterControlled By PNP/PCI Configuration SetupReset ResourcesSelect PCI-AUTO,ISA, or assign a PCI Slot IrqxDmax assigned Activated ByLoad Bios Defaults Load Setup DefaultsOn-chip IDE First Channel IDE Prefetch ModeIDE HDD Block Mode Integrated PeripheralsIDE Secondary Slave Onboard Uart 2 ModeIR Duplex Mode IDE Secondary MasterSupervisor Password User Password IDE HDD Auto Detection Appendix a Additional jumper settings Appendix B Quick Installation GuideQuick Installation Guide

P55C, P54C specifications

The SOYO P54C and P55C are motherboards designed to cater to a diverse range of computing needs, targeting enthusiasts and professionals alike. Built for compatibility with Intel processors, these motherboards provide a stable foundation for a powerful computing experience.

The SOYO P54C features the Intel 440FX chipset, supporting Intel Pentium processors, whereas the P55C supports the more advanced Pentium processors with enhanced performance and features. This reflects a significant leap in technology, enabling users to harness increased computational power for demanding tasks.

One of the standout features of the P54C and P55C is their support for a range of memory types. The P54C supports SDRAM, while the P55C can handle EDO memory, allowing for improved data access speeds and overall system performance. Both motherboards support up to 128MB of RAM, enabling users to run multiple applications simultaneously without compromising performance.

In terms of expansion capabilities, the SOYO P54C and P55C motherboards are equipped with ISA and PCI slots. This versatility allows users to integrate various expansion cards for enhanced functionality. Whether it's additional graphics capabilities, sound cards, or network interfaces, users can customize their systems to meet specific needs.

Connectivity options on both motherboards are notable. They come with integrated ports that support PS/2 peripherals, parallel and serial connections, making it easy to connect a variety of devices. Additionally, both motherboards support integrated audio systems, further streamlining the user experience by providing out-of-the-box sound functionality.

When it comes to power efficiency, the SOYO P54C and P55C exhibit reliable power management features, including advanced power-saving modes. This not only helps in reducing energy consumption but also contributes to longer-lasting hardware.

In summary, the SOYO P54C and P55C motherboards represent a fine blend of performance, expandability, and efficiency. With their support for Intel processors, diverse memory options, and robust connectivity, these motherboards stand out in the marketplace as reliable choices for both everyday users and professionals seeking a solid computing platform. Whether building a new system or upgrading an existing one, the SOYO P54C and P55C are sure to meet and exceed user expectations with their comprehensive features and reliable performance.