Biostar U8638 User Manual

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This equipment has been tested and found to comply with the
limits of a Class B digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio
communications. There is no guarantee that interference will not
occur in a particular installation.
The vendor makes no representations or warranties with respect
to the contents here of and specially disclaims any implied
warranties
of merchantability or fitness for any purpose. Further
the vendor reserves the right to revise this publication and to
make changes to the contents here of without obligation to notify
any party beforehand.
Duplication of this publication, in part or in whole, is not allowed
without first obtaining the vendor’s approval in writing.
The content of this user’s manual is subject to be changed without
notice and we will not be responsible for any mistakes found in
this user’s manual. All the brand and product names are
trademarks of their respective companies.

Biostar U8638 Specifications

General

Form Factor	Micro ATX
Socket Type	Socket 478
Memory Type	DDR SDRAM
Max Memory	2 GB
Storage Interface	2 x SATA
Audio	6-channel AC'97
LAN	10/100 Mbps

Summary

FCC Information and Copyright

Mainboard Features

Introduction of System

Overview of the mainboard's design and commitment to reliability and performance.

1. Features Introduction

1-1. Hardware

Details CPU, Speed, Chipset, and DRAM Memory specifications.

1-2. BIOS & Software

Information on the Phoenix BIOS, APM support, USB, and ACPI features.

1-3. Package Contents

Lists the included accessories and software with the mainboard.

LAN: (Optional)

Details integrated Fast Ethernet MAC, speeds, PCI controller, Wake-On-LAN.

Shadow RAM

Describes the memory controller providing shadow RAM and ROM BIOS support.

Green Functionality

Explains power management features and wake-up capabilities.

BUS Slots

Lists the available AGP, CNR, and PCI bus slots on the mainboard.

Flash Memory

Notes support for flash memory functionality and ESCD functionality.

Built in VGA:

Details CRT RGB interface, 2D and 3D graphics acceleration features.

2D Hardware Acceleration Features

Lists ROP3 Ternary Raster Operation BitBLTS and color depth acceleration.

Integrated Savage4 2D/3D Graphics Controller and Video Accelerator

Explains SMA, frame buffer, triangle setup, and 128-bit 2D graphics engine.

3D Rendering Features

Covers multi-textures, anisotropic filtering, stencil buffer, and texture capabilities.

Built in IDE Facilities:

Details support for four IDE drives, transfer rates, DMA modes, and CD-ROM.

AC'97 Sound Codec Onboard:

Specifies AC-LINK protocol compliance and 18-bit stereo ADC/DACs.

I/O facilities:

Lists Parallel, Serial, IrDA, PS/2, and floppy disk connectors.

Hardware Monitor Function:

Describes monitoring of CPU Fan Speed and System Voltage.

2. Mainboard Configuration

2-1. Layout of U8638

Diagram showing the physical layout of components on the U8638 mainboard.

2-2. Component Index

Index of mainboard components with their locations and labels.

3. CPU Configuration

3-1. CPU Socket 478 Configuration Steps:

Step-by-step guide for installing a CPU and its fan into Socket 478.

3-2. CPU Fan Header: JCFAN1

Pin definition and layout for the CPU fan header (JCFAN1).

3-3. System Fan Header: JSFAN1 (Optional)

Pin definition for the system fan header (JSFAN1), including optional status.

3-4. North Bridge Chipset Fan Header: JNFAN1 (Optional)

Pin definition for the North Bridge chipset fan header (JNFAN1), including optional status.

4. Jumpers, Headers & Connectors

4-1. CNR Code Primary/Secondary Selection: JCODECSEL

Configuration options for the CNR codec selection using jumper JCODECSEL.

4-2. Front Panel Connector: JPANEL1

Pin assignment and function details for the front panel connector (JPANEL1).

SPK (Speaker Connector)

Details on connecting an offboard speaker for error beep codes.

RST (Reset Button)

Connector for attaching a momentary SPST switch for system reset.

POW-LED (Power LED Connector)

Connector for the front panel power LED indicator.

HLED (Hard Drive LED Connector)

Connector for the front panel hard drive activity LED indicator.

IR (Infrared Connector)

Connector for infrared sensing devices for data transfer.

SLP (Sleep/Green Button)

Connector for a button to conserve energy by powering down monitor/hard disk.

ON/OFF (Power Button)

Connector for the front panel power switch to turn the system on/off.

4-3. ATX 20-pin Power Connector: JATXPWR1

Pinout and assignment for the 20-pin ATX power connector.

4-4. ATX 12V Power Connector: JATXPWR2

Pinout and assignment for the 12V ATX power connector.

4-5. AUX Power Connector: JAUXPWR1(Optional)

Pinout and assignment for the optional AUX power connector.

4-6. Hard Disk Connectors: IDE1/IDE2

Details on the Enhanced PCI IDE controller and IDE connectors (IDE1, IDE2).

4-7. Floppy Disk Connector: FDD1

Details on the floppy disk connector (FDD1) and supported disk types.

4-8. 5V/5VSB Selection for KB: JKBV1(Optional)

Jumper settings for 5V/5VSB selection for the keyboard connector (JKBV1).

4-9. 5V/5VSB Selection for USB: JUSBV1 (Optional)

Jumper settings for 5V/5VSB selection for USB ports (JUSBV1).

4-10. Wake On LAN Header: JWOL1

Pinout for the Wake On LAN header (JWOL1).

4-11. Front USB Headers: JUSB2, JUSB3

Pinouts for the front USB headers (JUSB2 and JUSB3).

4-12. Clear CMOS Jumper: JCMOS1

Jumper settings for clearing CMOS data and normal operation (JCMOS1).

5. RAM Module Configuration

5-1. DIMM Features

Details on DRAM type, memory module size, and ECC function disabling.

5-2. DIMM Module Configuration

Instructions for installing DIMM memory modules into the sockets.

6. Peripheral Port Features

6-1. PS/2 Mouse / Keyboard Connector: JKBMS1

Pinout and assignment for the PS/2 mouse and keyboard connector (JKBMS1).

6-2. USB & LAN Port Connectors: JUSBLAN1

Details on USB and LAN port connectors.

6-2-1. USB Connectors

Pinout and assignment for USB connectors.

6-2-2. LAN Port Connector: (Optional)

Details on the optional LAN port connector for internet connectivity.

6-3. Serial and Parallel Interface Ports

Explanation of serial and parallel interface ports.

6-3-1. The Serial Interface: JCOM1

Details on the serial interface port (JCOM1) and its pinout.

6-3-2. Monitor Connector: JVGA1

Pinout and assignment for the monitor connector (JVGA1).

6-3-3. Parallel Interface Port: JPRNT1

Details on the parallel interface port (JPRNT1) and its pinout.

6-4. Game (Joystick/MIDI) Port Connector: JAUD_GAME

Connector for joysticks, game pads, and MIDI devices.

6-5. Audio Port Connectors: JAUD_GAME

Details on audio output (Speaker Out) and input (Line In, Mic In).

6-6. Audio Subsystem

Overview of the mainboard's audio subsystem components.

6-6-1. CD-ROM Audio-In Header: JCDIN1

Pinout for the CD-ROM audio-in header (JCDIN1).

6-6-2. CD-ROM Audio-In Header: JCDIN2(Optional)

Pinout for the optional CD-ROM audio-in header (JCDIN2).

6-6-3. Front Panel Audio Header: JAUDIO1

Pinout for the front panel audio header (JAUDIO1).

6-6-4. Telephony Audio Header: JTAD1

Pinout for the telephony audio header (JTAD1).