Biostar U8638 User Manual
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Biostar U8638 User Manual

Biostar u8638 motherboard: user guide
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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,
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
of merchantability or fitness for any purpose. Further
warranties
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.
may
cause
harmful
  
interference
to
radio

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Summary of Contents for Biostar U8638

  • Page 1           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,...

  • Page 2: Table Of Contents

    1-1. Hardware  1-2. BIOS & Software 1-3. Package Contents 2. Mainboard Configuration   2-1. Layout of U8638  2-2. Component Index  3. CPU Configuration  3-1. CPU Socket 478 Configuration Steps: 3-2. CPU Fan Header: JCFAN1  3-3.
  • Page 3     4-9. 5V/5VSB Selection for USB: JUSBV1 (Optional)  4-10. Wake On LAN Header: JWOL1   4-11. Front USB Headers: JUSB2, JUSB3   4-12. Clear CMOS Jumper: JCMOS1  5. RAM Module Configuration   5-1. DIMM Features  5-2. DIMM Module Configuration  6.
  • Page 4 In the tradition of its predecessors, this mainboard continues a commitment to reliability and performance and strives for full compliance and compatibility with industry software and hardware standards. U8638 Features:...

  • Page 5: Mainboard Features

       Mainboard Features 1. Features Introduction 1-1. Hardware 1.Provides Socket-478. ®  processor providing the new generation power for 2.Supports the Intel Pentium high-end workstations and servers. 1.Runing at 400 MHz Front Side Bus frequency. 2.Supports up to 2.0 GHz CPU core speeds. 3.The 33MHz 32 bit PCI 2.2 compliant.
  • Page 6 VPD data. 7.Supports LED pins for various network activity indications. 8.Half/ Full duplex capability. Motherboard is equipped with a memory controller providing shadow RAM and support for ROM BIOS. 1.Supports Award BIOS ™ power management functionality. 2.Has a power down timer from 1 to 15 minutes.
  • Page 7      1.250 MHz RAMDAC on chip with Gamma Correction. 2.Horizontal / Vertical Sync outputs compliant with Monitor Power Management protocols. C Serial Bus for DDC Monitor Communications. 1. ROP3 Ternary Raster Operation BitBLTs. 2. 8, 16 and 32 bpp mode acceleration. 1.
  • Page 8    1.Supports four IDE hard disk drives. 2.Supports PIO Mode 4, Master Mode, and high performance hard disk drives. 3.Supports disk transfer rates up to 100 MB/second. 4.Supports Ultra DMA 33, Ultra DMA 66, Ultra DMA 100, Ultra DMA 133 (Optional) Bus Master Modes.

  • Page 9: Package Contents

       1.Supports two back panel Universal Serial Bus Ports and four front panel Universal Serial Bus Ports (optional). 2.Supports 48 MHz USB. 24.4cm x 24.4cm (WxL) 1-2. BIOS & Software 1.Phoenix legal BIOS. 2.Supports APM1.2. 3.Supports USB Function. 4.Supports ACPI. Offers the highest performance for MS-DOS, Windows NT, Windows 2000, Windows XP, Windows 95/98, Windows ME,...

  • Page 10: Mainboard Configuration

       2. Mainboard Configuration 2-1. Layout of U8638                                          ...

  • Page 11: Component Index

       2-2. Component Index 5V / 5VSB selection for KB (JKBV1) 5V / 5VSB selection for USB (JUSBV1) JKBV1 JUSBV1 Realtek RTL 8100  PCI SLOT PCI SLOT JTAD1 PCI SLOT CNR1 CNR SLOT   BAT1 Socket 478         VT8751...

  • Page 12: Cpu Configuration

       3. CPU Configuration 3-1. CPU Socket 478 Configuration Steps: CPU Fan Pull the lever sideways away from the socket then raise the lever up to a 90-degree angle. Locate Pin A in the socket and look for the white dot or cut edge in the CPU.
  • Page 13    CPU Configuration Layout    3-2. CPU Fan Header: JCFAN1 Pin No. Assignment Ground +12V Sense...
  • Page 14    3-3. System Fan Header: JSFAN1 (Optional) Pin No. 3-4. North Bridge Chipset Fan Header: JNFAN1 (Optional) Pin No. Assignment Ground +12V Sense Assignment Ground +12V...

  • Page 15: Jumpers, Headers & Connectors

       4. Jumpers, Headers & Connectors %$  $  ! &'(#&# 4-1. CNR Code Primary/Secondary Selection: JCODECSEL Pin No.  !   ' (( Assignment On-board Primary Codec CNR Primary Codec &)'   *(# +!    !    "#...

  • Page 16: Front Panel Connector: Jpanel

    RST (Reset Button) This connector can be attached to a momentary SPST switch. This switch is usually open and when closed will cause the motherboard to reset and run the POST (Power On Self Test). Sleep Control...
  • Page 17    POW-LED (Power LED Connector) This connector can be attached to an LED on the front panel of a computer case. The LED will illuminate while the computer is powered on. HLED (Hard Drive LED Connector) This connector can be attached to an LED on the front panel of a computer case.

  • Page 18: Atx 20-Pin Power Connector: Jatxpwr

       4-3. ATX 20-pin Power Connector: JATXPWR1 Assignment 3.3V 3.3V Ground Ground Ground PW_OK 5V_SB 4-4. ATX 12V Power Connector: JATXPWR2 Assignment 4-5. AUX Power Connector: JAUXPWR1(Optional) Assignment Ground Ground Ground Assignment 3.3V -12V Ground PS_ON Ground Ground Ground Assignment Ground Ground Assignment...

  • Page 19: Hard Disk Connectors: Ide1/Ide

    4-7. Floppy Disk Connector: FDD1 The motherboard provides a standard floppy disk connector (FDC) that supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk types. This connector supports the provided floppy drive ribbon cables.
  • Page 20    4-9. 5V/5VSB Selection for USB: JUSBV1 (Optional) JUSBV1 1-2 Closed 2-3 Closed 4-10. Wake On LAN Header: JWOL1 Pin No. 4-11. Front USB Headers: JUSB2, JUSB3 (JUSB2) Assignment +5V(fused) USBP2- USBP2+ Ground (JUSB3) Assignment +5V(fused) USBP4- USBP4+ Ground Assignment 5V SB Assignment 5V SB...

  • Page 21: Clear Cmos Jumper: Jcmos

       4-12. Clear CMOS Jumper: JCMOS1 JCMOS1 1-2 Closed 2-3 Closed   !" # $ Clear CMOS Procedures: 1. Remove AC power line. 2. Make JCMOS1 (2-3) closed. 3. Wait for five seconds. 4. Make JCMOS1 (1-2) closed. 5. Let AC power on. 6.

  • Page 22: Ram Module Configuration

       5. RAM Module Configuration 5-1. DIMM Features When you use the on board VGA function, the DIMM ECC function will be disabled. ECC (Memory error correcting code) DRAM Type: 3.3V SDRAM PC100/ PC133 Type required. 64MB/128MB/256MB/512MB DIMM Module (168 pin) Total Memory size (MB) 128M 192M...

  • Page 23: Dimm Module Configuration

       5-2. DIMM Module Configuration                                           !"##$  %&  %  $  '  #(  $      &#      $ ...

  • Page 24: Peripheral Port Features

    JCOM1 6-1. PS/2 Mouse / Keyboard Connector: JKBMS1 The motherboard provides a standard PS/2 mouse / Keyboard mini DIN connector for attaching a PS/2 mouse. You can plug a PS/2 mouse / Keyboard directly into this connector. The connector location...

  • Page 25: Usb & Lan Port Connectors: Jusblan

       6-2. USB & LAN Port Connectors: JUSBLAN1 6-2-1. USB Connectors USB Connector (the below one) USB Connector (the above one) Assignment +5 V (fused) USBP0- USBP0+ Ground Assignment +5 V (fused) USBP1- USBP1+ Ground...

  • Page 26: Lan Port Connector: (Optional)

       6-2-2. LAN Port Connector: (Optional) This connector allows you to connect to the Internet through a Local Area Network (LAN). You can set up the connection by entering account information provided by your ISP. LAN Port Connector Assignment...

  • Page 27: Serial And Parallel Interface Ports

       6-3. Serial and Parallel Interface Ports This system comes equipped with one serial port and one parallel port. Both types of interface ports will be explained in this chapter. 6-3-1. The Serial Interface: JCOM1 The serial interface port is sometimes referred to as an RS-232 port or an asynchronous communication port.
  • Page 28    6-3-2. Monitor Connector: JVGA1                  !"                                       ...

  • Page 29: Parallel Interface Port: Jprnt

       6-3-3. Parallel Interface Port: JPRNT1 Unlike the serial ports, parallel interface port has been standardized and should not present any difficulty interfacing peripherals to your system. Sometimes called Centronics Port, the parallel port is almost exclusively used with printers. The parallel port on your system has a 25-pin, DB25 connector.

  • Page 30: Audio Port Connectors: Jaud_Game

       6-4. Game (Joystick/MIDI) Port Connector: JAUD_GAME This connector allows you to connect a joystick or game pad for playing computer games. Also, you may play or edit professional music by connecting MIDI devices. 6-5. Audio Port Connectors: JAUD_GAME 1. Speaker Out is used to connect speakers or headphones for audio output.
  • Page 31    6-6. Audio Subsystem     ...

  • Page 32: Cd-Rom Audio-In Header: Jcdin

       6-6-1. CD-ROM Audio-In Header: JCDIN1 Pin No. 6-6-2. CD-ROM Audio-In Header: JCDIN2(Optional) Pin No. 6-6-3. Front Panel Audio Header: JAUDIO1 Pin No. Assignment Mic In Mic Power RT Line Out Reserved LFT Line Out 6-6-4. Telephony Audio Header: JTAD1 Pin No.

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