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Pentium SQ578 User Manual

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SQ578 Pentium PCI
Mainboard
User's Manual

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Summary of Contents for Pentium SQ578

  • Page 1 SQ578 Pentium PCI Mainboard User’s Manual...
  • Page 2 User‘s Notice Static Electricity Precaution Static electricity can easily damage your SQ578 mainboard. Observing a few basic precautions can help you safeguard against damage that could result in expensive repairs. Follow the simple measures below to protect your equipment from static electricity damage: Keep the mainboard and other system components in their anti-static packaging until you are ready to install them.

  • Page 3: Table Of Contents

    ETUP ..........4-14 OWER ANAGEMENT ETUP PCI / P ..............4-17 LUG AND ETUP ................4-21 ERIPHERAL ETUP ..............4-23 ETECT ISKS 4.10 S .............4-24 UPERVISOR ASSWORD ETTING 4.11 A ........4-24 ONFIGURATION WITH PTIMAL ETTINGS VGA INSTALLATION(OPTION) ............5-1 ..................5-1 NTRODUCTION ................5-4 OFTWARE UPPORT SQ578...

  • Page 5: Introduction

    Overview The SQ578 mainboard integrates the Pentium microprocessor, memory, and I/O technologies and is designed to fit into a standard AT form factor chassis. The design supports Pentium processors, Pentium processors with MMX technology, Cyrix 6X86/6X86L/MX Processors, IDT-C6 Processors, and AMD K5/K6 Processors. Page 2-2 illustrates the mechanical form factor for the SQ578 mainboard.

  • Page 6: Item Checklist

    Item Checklist The SQ578 mainboard should contain following items (ü). Immediately, contact your retailer if you discover any missing items, or any damage. þ The SQ578 mainboard þ This SQ578 user‘s manual þ 1 IDE ribbon cable þ 1 floppy ribbon cable þ...

  • Page 7: Key Features

    Processor: Supports 75-300MHz Pentium family: Intel P54C, Pentium Processors with MMX Technology (P55C), AMD-K5, AMD-K6 Cyrix 6X86, 6X86L, 6X86MX and IDT-C6 Processors. The ZIF Socket 7 will support future Pentium Overdrives. ² L2 Cache: Onboard 256KB or 512KB Pipeline Burst SRAM ²...

  • Page 8: Mainboard Layout

    Mainboard Layout (J1) PS/2 MOUSE COM2 (J6) W83877F Power Conn COM1 JP17 5598 5582 JP18 ZIF Socket 7 32K/64K*32 JP10 JP11 JP12 JP13 JP14 JP15 JP16 32K/64K*32 KEYLOCK PWR LED SPEAKER RESET HDD LED GR LED EXT SMI SQ578...

  • Page 9: Installation Preview

    Installation Preview Before you install the SQ578 mainboard into the system chassis you may find it convenient to first configure the mainboard hardware. This section describes how to configure the jumper settings, install memory modules, and how to attach the various system components.

  • Page 10: Configuration Jumpers

    3.1.4 Configuration Jumpers Jumpers JP10, JP11, JP12, JP13, JP14, JP15, JP16 Processor voltage selection JP4, JP5, JP6, JP7, JP8,JP9 Processor/System speed setting CMOS Selection JP3,JP17(Option) On board VGA Selection JP18 CYRIX LINEAR BURST MODE Selection DIMM Vlotage Selection SQ578...
  • Page 11 3.1.5 Processor Voltage Setting (JP10,JP11,JP12,JP13,JP14,JP15, and JP16) The Pentium P54C/P55C, Cyrix 6x86L/6X86MX, IDT-C6 , AMD-K5/K6 processors have various voltage choices depending on the CPU suppliers. These jumpers provide a way to select the different types of voltage . Processor Voltage...
  • Page 12 (50MHz x 1.5) 90MHz (60MHz x 1.5) 100MHz (66MHz x1.5) 120MHz (60MHz x 2.0) 133MHz (66MHz x 2.0) 150MHz (60MHz x 2.5) 166MHz (66MHz x 2.5) 200MHz (66MHz x 3) 233MHz (66MHz x 3.5) 266MHz (66MHz x4) 300MHz (66MHz x4.5) SQ578...
  • Page 13 (60MHz x 2.0) PR166+ (66MHz x 2.0) PR200+ (75MHz x 2.0) Cyrix CPU Setting 6X86 MX PR133 (50MHz x 2.0) PR133 (55MHz x 2.0) PR150 (60MHz x 2.0) PR150 (50MHz x 2.5) PR166 (66MHz x 2.0) PR166 (55MHz x2.5) SQ578...
  • Page 14 6X86 MX PR166 (50MHz x3.0) PR166 (60MHz x 2.5) PR200 (75MHz x 2.0) PR200 (55MHz x 3.0) PR200 (66MHz x 2.5) PR200 (60MHz x3.0) PR233 (75MHz x 2.5) PR233 (66MHz x 3.0) PR266 (66MHz x 3.5) PR266 (75MHz x3.0) SQ578...
  • Page 15 (66MHz x3.0) 3.1.7 Clear CMOS (JP1) The SQ578 has a Jumper JP1, which allows you to clear the CMOS memory, the CMOS memory maintains the system configuration information. Make sure this jumper is put on Pin1 and Pin2 for normal operation.
  • Page 16 3.1.8 On Board VGA (JP3 and JP17) (Option) The SQ578 has two jumpers JP3 and JP17, which allow you to Enable or Disable On board VGA. JP17 DISABLE ENABLE 3.1.9 Cyrix Linear Burst MODE (JP18) The SQ578 has a jumper JP18, which allow you to Enable L2 cache, running at linear brust Mode for Cyrix CPU.

  • Page 17: Installation Of Dram Modules (Simm Or Dimm)

    40MB 4MBx2 16MBx2 72MB 4MBx2 32MBx2 24MB 8MBx2 4MBx2 32MB 8MBx2 8MBx2 48MB 8MBx2 16MBx2 80Mb 8MBx2 32MBx2 40MB 16MBx2 4MBx2 48MB 16MBx2 8MBx2 64MB 16MBx2 16MBx2 96MB 16MBx2 32MBx2 72MB 32MBx2 4MBx2 80MB 32MBx2 8MBx2 96MB 32MBx2 16MBx2 SQ578...
  • Page 18 3.2.4 DIMM (Dual Inline Memory Modules) The SQ578 mainboard features two 168-pin DIMM sockets with each supporting 8MB to 128MB of SDRAM/EDO using 1MBx64, 2MBx64, 4MBx64 and 8MBx64 DIMM (Asymmetrical single and double sided). The DRAM interfaces on a 64-bit wide, data path.

  • Page 19: Dimm Combination

    1 of the socket, the DIMM will not insert into the socket. After inserting the DIMM completely into the socket, push up on the socket latches securing the DIMM into place. To release the memory modules, push both latches down and carefully rock the module forward 3-11 SQ578...

  • Page 20: Installation Of The Cpu

    Installation of the CPU The SQ578 comes with a 321-pin ZIF socket 7 for installing the CPU. The Socket 7 will also support future Pentium up-grade processors. It is strongly recommended that a heatsink and CPU cooling fan be used to prevent the CPU from overheating. (Tip) Applying a thermal jelly between the CPU and the heatsink/fan will help cool the CPU.

  • Page 21: Installation Of Expansion Slots

    3.4.2 Installation Procedure The SQ578 has 7 expansion slots on-board. Four are 16-bit ISA Bus expansion connectors and Three are 32-bit PCI expansion slots. All three PCI expansion slots accept PCI Bus master cards and fully supported by PCI 2.1 specifications.
  • Page 22 The FDC sub-system can control three types (1.2, 1.44, and 2.88MB) of floppy drivers or compatible tape drives. Connection to floppy drives is via a header (J21). The floppy disk interface includes 48mA drivers and Schmit inputs on the drive interface. 3-14 SQ578...
  • Page 23 The power cord should be unplugged when you connect it. 3.5.6 Keylock and Power_On LED Connector(5-Pin)(Pin1-5of J31) The SQ578 supports one straight 5 pin header for connecting to front pannel keylock switch and Power LED indicator. 3-15 SQ578...
  • Page 24 Keyboard LED- No Connect LED+ 3.5.7 HDD LED Connector (2-pin)(Pin 12 and 24 of J31) The SQ578 supports one straight 4 pin header for connecting to front pannel Hard Disk activity LED indicator. Signal Name LED- LED+ 3.5.8 Reset Switch Connector (2-pin) (Pin 21 and 22 of J31) This connector supports the front pannel case-mounted reset.
  • Page 25 3.5.10 IrDA connector (6-pin) (J34) The SQ578 mainboard offers an IrDA function. The case must reserve space for the IR module if you want to use the IrDA function. This connector supports optional wireless transmission and reception of infrared data. The module mounts in a small opening on the system case that supports this feature.

  • Page 26: Parallel Port

    Ground SLCTt 3.5.14 Serial Port (J5/J9) The SQ578 has two serial ports. The electrical characteristics are compliant with the EIA- 232-D Serial Communications Specifications. The serial ports may be remapped above other installable serial ports or disabled through the BIOS.
  • Page 27 "Suspend Switch" in the Power Management Setup of the BIOS should be Enabled. Signal Name EXT-SMI Ground 3.5.18 EXT Battery Connector (J29) This connector allows you to install the auxiliary battery, while the onboard battery is expired. Signal Name +3.3V∼ +3.9V None Use Ground Ground 3-19 SQ578...

  • Page 29: Bios Setup

    BIOS Setup The SQ578 mainboard uses an AMI BIOS, which is stored in a Flash EEPROM and which can be upgraded using a floppy disk-based program. The BIOS has a built-in Setup program that allows users to modify the basic system configuration setting. The settings are then stored in a dedicated batter-backed memory, called CMOS RAM , that retains the information when the power is turned off.

  • Page 30: Setup Keys

    Chipset screen without a good reason. The Chipset defaults have been carefully chosen by AMI or your system manufacturer for the best performance and reliability. Even a seemingly small change to the Chipset setup may causing the system to become unstable. SQ578...

  • Page 31: Main Setup Menu

    Setup. Auto Configuration Setup defaults are factory settings for optimal- with Optimal performance system operations. Setting Save Setting and Save settings in nonvolatile CMOS RAM and exit Setup Exit Exit Without Abandon all changes and exit Setup. Saving SQ578...

  • Page 32: Standard Cmos Setup Menu

    Select Auto from the drive parameters screen to let AMIBIOS automatically configure the drive. A screen with a list of drive parameters appears. Click on OK to configure the drive. SQ578...
  • Page 33 Entering Drive Parameters You can also enter the hard disk drive parameters. The drive parameters are: Parameter Description Type The number for a drive with certain identification parameters. Cylinders The number of cylinders in the disk drive. Heads The number of heads. SQ578...

  • Page 34: Hard Disk Drive Types

    65535 43 MB 20 MB 41 MB 65535 57 MB 1024 1023 60 MB 30 MB 43 MB 30 MB 10 MB 54 MB 65535 69 MB 44 MB 65535 69 MB 41 MB 65535 68 MB 53 MB SQ578...

  • Page 35: Boot Sector Virus Protection

    Typically 640 KB. Also called conventional memory. The DOS operating system and conventional applications use this area. Extended Memory Above the 1-MB boundary. Early IBM personal computers could not use memory above 1 MB, but current PCs and their software can use extended memory. SQ578...

  • Page 36: Bios Features Setup Menu

    Floppy, Floptical, CDROM, or IDE-0. The Optimal default settings are IDE-0. 4.4.3 Quick Boot Set this option to Enabled to instruct AMIBIOS to boot quickly when the computer is powered on. This option replaces the old Above 1 MB Memory Test Advanced Setup option. The settings are: SQ578...

  • Page 37: Typematic Rate

    PS/2 mouse support. The settings are Enabled or Disabled. The default settings are Enabled. 4.4.8 Typematic Rate This option sets the rate at which characters on the screen repeat when a key is pressed and held down. The settings are Slow or Fast. The default settings are Fast. SQ578...

  • Page 38: Primary Display

    (shadowed) from ROM to RAM for faster execution. The contents of the video ROM area from C0000h - C7FFFh Cached are copied from ROM to RAM and can be written to or read from cache memory. 4-10 SQ578...
  • Page 39 ROM to RAM and can be written to or read from cache memory. Enabled The contents of the video ROM area from C0000h - C7FFFh are copied (shadowed) from ROM to RAM for faster execution. 4-11 SQ578...

  • Page 40: Chipset Features Setup Menu

    The settings are Toggle or Linear. The default setting is Toggle. 4.5.4 USB Function Set this option to Enabled to enable USB (Universal Serial Bus) support. The settings are Enabled or Disabled. The default settings are Disabled. 4-12 SQ578...
  • Page 41 So you can no need to set this item. The default setting is Enabled. 4.5.6 VGA Shared Memory Size (Option) Share memory size from system memory for VGA use. There are 8 settings, 0.5M, 1M, 1.5M, 2M, 2.5M, 3M, 3.5M, 4M. Default setting is 1M. 4-13 SQ578...

  • Page 42: Power Management Setup Menu

    This option specifies the power state that the video subsystem enters when AMIBIOS places it in a power saving state after the specified period of display inactivity has expired. The settings contains Standby, Suspend and Disabled. The default setting is Disabled. 4-14 SQ578...

  • Page 43: Hard Disk Power Down Mode

    § IDE Adapter 0 Master/Slave § IDE Adapter 1 Master/Slave § Serial Port 1 Access § Serial Port 2 Access § Parallel Port Access § IRQ 1-15 and NMI Access § Keyboard Port Access § Ring Active 4-15 SQ578...
  • Page 44 IRQ line. The settings for each of these options are Monitor or Ignore. The default setting is Ignore. § IRQ 1-15 and NMI Mask § IRQ3 (COM2/COM4) § IRQ4 (COM1/COM3) § IRQ5 (LPT2) § IRQ7 (LPT1) 4-16 SQ578...

  • Page 45: Pci / Plug And Play Setup

    CPU on each set of palette registers on every video device. Bit 5 of the command register in the PCI device configuration space is the VGA Palette Snoop bit (0 is disabled). For example: if there are two VGA devices in the computer (one PCI and one ISA) and: 4-17 SQ578...

  • Page 46: Pci Ide Busmaster

    This option specifies the PCI interrupt used by the secondary IDE channel on the off board PCI IDE controller. The settings are Disabled, Hardwired, INTA, INTB, INTC, or INTD. The default setting is Disabled. 4.7.8 Assign IRQ to PCI VGA Card Assign the IRQ# for VGA card. 4-18 SQ578...

  • Page 47: Dma Channels

    IRQ9 will still be available for PCI and PnP devices, because at least one IRQ must be available for PCI and PnP devices. The settings are ISA/EISA or PCI/PnP. The Optimal and Fail-Safe default settings are PCI/PnP. § IRQ3 § IRQ4 § IRQ5 § IRQ7 § IRQ9 4-19 SQ578...
  • Page 48 § IRQ10 § IRQ11 § IRQ12 § IRQ14 § IRQ15 4-20 SQ578...

  • Page 49: Peripheral Setup

    OnBoard Serial Port2 This option specifies the base I/O port address of serial port 2. The settings are Auto (AMIBIOS automatically determines the correct base I/O port address), Disabled, 3F8h, 2F8h, 2E8h, or 3E8h. The default setting is Auto. 4-21 SQ578...

  • Page 50: Serial Port2 Mode

    Parallel Port Mode option is not EPP. 4.8.8 Parallel Port IRQ This option specifies the IRQ used by the parallel port. The settings are Auto, (IRQ) 5, or (IRQ) 7. The default setting is Auto. 4-22 SQ578...

  • Page 51: Auto-Detect Hard Disks

    Disabled, Primary, Secondary or Auto . The default settings are Auto. Auto-Detect Hard Disks This option will automatically detect all possible modes that supported by the HDD including NORMAL, LBA& LARGE for users' selecting. Please refer to Figure 1. 4-23 SQ578...

  • Page 52: Supervisor Password Setting

    The next time the system boots, a password prompt appears if the password function is present and enabled. Auto Configuration with Optimal Settings 4.11 The Optimal default settings are best-case values that should optimize system performance. If NVRAM is corrupted, the Optimal settings are loaded automatically. 4-24 SQ578...

  • Page 53: Vga Installation(Option)

    VGA Installation(Option) Introduction The SQ578 All-In-One Mainboard provide a compact video and graphics solution for PC based system. It provides a high performance 3-In-1 PCI true-color graphics accelerator with video accelerate functions. It works in five different modes: VESA VAFC (VESA...
  • Page 54 Support 170 MHz pixel clock ♦ Support super high resolution graphics modes § 640x480 256/32K/64K/16M colors NI § 800x600 16/256/32K/64K/16M color NI § 1024x768 16/256/32K/64K/16M color NI § 1280x1027 16/256 colors NI, 32K/64K colors interlace only § 1600x1200 256 colors NI SQ578...

  • Page 55: Power Management

    Built-in 30 min. standby and suspend timers with keyboard, hardware cursor, and/or video memory read/write as activating source ♦ Support direct I/O command to force graphics controller into standby/suspend/off state. ♦ Power down internal SRAM in direct color mode SQ578...

  • Page 56: Software Support

    P-CAD Ver. 7.06 ♦ VersaCAD/386 Ver.2.1 ♦ Word Perfect 5.x&6.0 Video operation are supported by software application drivers developed by SiS. The following applications are currently supported: ♦ Microsoft Video For Windows ♦ DCI driver ♦ Direct Draw driver SQ578...
  • Page 57 Documentation Rev. Number: A02 (September 1997) SQ578...

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