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SQ578

4-13

4.5.5

ON Chip VGA (Option)

This item contains 2 settings, Enabled to enable OCV(On Chip VGA) and Disabled to
disable OCV. It will be automatically detected and disabled when a external VGA card
was installed. 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.

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Summary of Contents for SQ578

Page 1: ...SQ578 Pentium PCI Mainboard User s Manual...

Page 2: ...a firm flat surface During configuration and installation touch a grounded surface frequently to discharge any static electrical charge that may have built up in your body The best precaution is to w...

Page 3: ...N OF EXPANSION SLOTS 3 13 3 5 INSTALLATION OF IDE I O CABLES CONNECTION 3 13 4 BIOS SETUP 4 1 4 1 STARTING SETUP 4 1 4 2 MAIN SETUP MENU 4 3 4 3 STANDARD CMOS SETUP MENU 4 4 4 4 BIOS FEATURES SETUP ME...

Page 4: ......

Page 5: ...actor for the SQ578 mainboard 1 2 How to use this Manual This manual provides information necessary to install and operate the SQ578 mainboard and is organized into five chapters The purpose of this m...

Page 6: ...he SQ578 mainboard This SQ578 user s manual 1 IDE ribbon cable 1 floppy ribbon cable 1 parallel ribbbon cable and PS 2 mouse cable with mounting bracket 2 serial ribbbon cable attached to a mounting b...

Page 7: ...ce 3 in 1 PCI true color graphics accelerator with video accelerate functions supports DCI Drivers and Direct Draw 3D Drivers video overlay for any graphic modes Real Magic MPEG API compatible Support...

Page 8: ...r 5582 32 bit PCI Slot 32 bit PCI Slot 32 bit PCI Slot DIMM Socket 2 DIMM Socket 1 SIMM Socket 4 SIMM Socket 3 SIMM Socket 2 SIMM Socket 1 Power Conn COM2 COM1 KBD J1 PS 2 MOUSE JP1 J29 J30 J34 JP18 J...

Page 9: ...Settings You can configure the hardware options by setting jumpers on the mainboard A jumper is a set of two or more metal pins in a plastic base attached to the mainboard A plastic jumper cap with a...

Page 10: ...removed from the 2 pins WARNING Some pins are used for connectors or power sources These are clearly marked separately from the jumpers listed in Mainboard Layout Any improper placing of jumper caps o...

Page 11: ...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 volt...

Page 12: ...from 75MHz to 300MHz The CPU input frequency must match the frequency of CLOCK GEN or it will cause the system to malfunction For example setting a 90MHz CPU to run at 133MHz will cause the system to...

Page 13: ...JP5 JP4 PR120 50MHz x 2 0 PR133 55MHz x 2 0 PR150 60MHz x 2 0 PR166 66MHz x 2 0 PR200 75MHz x 2 0 Cyrix CPU Setting 6X86 MX JP9 JP8 JP7 JP6 JP5 JP4 PR133 50MHz x 2 0 PR133 55MHz x 2 0 PR150 60MHz x 2...

Page 14: ...U Setting 6X86 MX JP9 JP8 JP7 JP6 JP5 JP4 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...

Page 15: ...z 60MHz x3 0 200MHz 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 j...

Page 16: ...The SQ578 has a jumper JP18 which allow you to Enable L2 cache running at linear brust Mode for Cyrix CPU Make sure this jumper is open for normal operation for other kind of processors Interleaved Bu...

Page 17: ...one pair of sockets at a time in sequence i e SIMM1 and SIMM2 or all four sockets at once 2 Each pair of modules must be the same size and speed and may be single sided or double side Module sizes Si...

Page 18: ...push the SIMM module into a vertical position 4 The module should click into place with the retaining clips at each end of the socket snapping behind the module to secure it 5 To release the memory mo...

Page 19: ...IMM must match with pin 1 of the DIMM socket 2 The module will only insert into the socket one way An orientation cut out will prevent you from inserting it the wrong way 3 Insert the DIMM into the DI...

Page 20: ...et be sure that PIN 1 of the CPU is in the same corner as PIN 1 of socket The CPU is an extremely sensitive electrical component and can be easily damaged by static electricity IMPORTANT you must set...

Page 21: ...expansion slots All three PCI expansion slots accept PCI Bus master cards and fully supported by PCI 2 1 specifications To install expansion cards please read the expansion card s documentation which...

Page 22: ...condary IDE connector make sure that the second IDE device is adjusted to slave mode as instructed in the device s manual Pin Signal Name Pin Signal Name 1 Reset IDE 2 Ground 3 Host Data 7 4 Host Data...

Page 23: ...operating environment and improve data transferring capacity True Plug and Play this new bus technology will support over 127 different peripherals through a Hub Pin Signal Name USB1 Pin Signal Name U...

Page 24: ...5 8 Reset Switch Connector 2 pin Pin 21 and 22 of J31 This connector supports the front pannel case mounted reset It is advised that the reset switch be used for rebooting the system in order to exten...

Page 25: ...and the transfer rate is 115 200 bits sec Pin Signal Name 1 5V 2 No connect 3 IrRX 4 Ground 5 IrTX IMPORTANT You must configure this feature through the BIOS The IrDA function is supported by the mai...

Page 26: ...A BIT 2 17 SLCT IN 5 DATA BIT 3 18 Ground 6 DATA BIT 4 19 Ground 7 DATA BIT 5 20 Ground 8 DATA BIT 6 21 Ground 9 DATA BIT 7 22 Ground 10 ACK 23 Ground 11 BUSY 24 Ground 12 PEERROR 25 Ground 13 SLCTt P...

Page 27: ...d mode or Green mode During Green mode the system activity will be decreased to save energy when the system is not in use If you want to use this feature the Suspend Switch in the Power Management Set...

Page 28: ......

Page 29: ...hen you first turn on the computer The BIOS reads system configuration information in CMOS RAM and begins the process of checking out the system and configuring it through the power on self test POST...

Page 30: ...ment Setup and Perpheral Setup 4 1 3 In Case of Porblems If after making and saving system changes with Setup you discover that your computer no longer is able to boot the AMI BIOS supports an overrid...

Page 31: ...anced BIOS options Advanced Chipset Option specific to your system chipset Power Management Advanced Power Management APM options PCI Plug and Play Plug and Play standard and PCI Local Bus configurati...

Page 32: ...ed Enter new values through the keyboard 4 3 2 Floppy Drive A and B Move the cursor to these fields via and and select the floppy type The settings are 360 KB 5 inch 1 2 MB 5 inch 720 KB 3 inch 1 44 M...

Page 33: ...nsfer Select On to allow 32 bit data transfers Select the PIO Mode It is best to select Auto to allow AMIBIOS to determine the PIO mode If you select a PIO mode that is not supported by the IDE drive...

Page 34: ...is the number of heads times the number of cylinders times the number of sectors per track times 512 bytes per sector Hard Disk Drive Types Type Cylinders Heads Write Precompensation Landing Zone Sec...

Page 35: ...ire hard drive NOTE Many disk diagnostic programs that access the boot sector table can trigger the virus warning message If you plan to run such a program we recommend that you first disable the viru...

Page 36: ...mpts to boot from after AMIBIOS POST completes The settings are Disabled Floppy Network Floptical SCSI CDROM IDE 0 IDE 1 IDE 2 or IDE 3 The Optimal default settings are Floppy 4 4 2 2nd Boot Device Th...

Page 37: ...p Num Lock Set this option to Off to turn the Num Lock key off when the computer is booted so you can use the arrow keys on both the numeric keypad and the keyboard The settings are On or Off The defa...

Page 38: ...are Disabled 4 4 12 External Cache This option sets the type of caching algorithm used for the L2 secondary external cache memory The settings are WriteBack WriteThru or Disabled The default setting i...

Page 39: ...ISA adapter cards is allocated to PCI adapter cards The settings are Setting Description Disabled The contents of the video ROM are not copied to RAM Cached The contents of the video ROM area from C0...

Page 40: ...on of an area of memory that cannot be addressed on the ISA bus The settings are Disabled 15 MB 16 MB or 512KB 640KB The default settings are Disabled 4 5 3 CYRIX Cache Burst Address Operating the CPU...

Page 41: ...ble OCV It will be automatically detected and disabled when a external VGA card was installed So you can no need to set this item The default setting is Enabled 4 5 6 VGA Shared Memory Size Option Sha...

Page 42: ...fault setting is Disabled 4 6 2 Green PC Monitor Power State Enabled to enable AMIBIOS support for the Intel InstantON specification The settings contains Enabled and Disabled The default settings are...

Page 43: ...ter enters Suspend power state The settings are Disabled 1 minute up to 14 minute in increments of 1 minute The default setting is Disabled 4 6 7 Display Activity When set to Monitor this option enabl...

Page 44: ...er saving state AMIBIOS watches for activity on the specified IRQ line The computer enters the Full On state if any activity occurs AMIBIOS reloads the Standby and Suspend timeout timers if activity o...

Page 45: ...are No 4 7 2 Clear NVRAM Set this option to yes to clear data stored in NVRAM each time in rebooting and no to keep the data stored in NVRAM whenever system rebooting 4 7 3 PCI VGA Palette Snoop When...

Page 46: ...specify the PCI expansion slot on the motherboard where the off board PCI IDE controller card is installed If an off board PCI IDE controller is used the motherboard onboard IDE controller is automat...

Page 47: ...s determine if AMIBIOS should remove an IRQ from the pool of available IRQs passed to devices that are configurable by the system BIOS The available IRQ pool is determined by reading the ESCD NVRAM If...

Page 48: ...SQ578 4 20 IRQ10 IRQ11 IRQ12 IRQ14 IRQ15...

Page 49: ...controller should be enabled Enabled or Disabled The default setting is Enabled 4 8 2 OnBoard Serial Port1 This option specifies the base I O port address of serial port 1 The settings are Auto AMIBIO...

Page 50: ...with devices that adhere to the Enhanced Parallel Port EPP specification EPP uses the existing parallel port signals to provide asymmetric bidirectional data transfer driven by the host device ECP The...

Page 51: ...3 The Optimal and Fail Safe default settings are not provided 4 8 10 OnBoard PCI IDE This option specifies the IDE channel used by the onboard IDE controller The settings are Disabled Primary Seconda...

Page 52: ...ered After the new password is entered retype the new password as prompted and press Enter If the password confirmation is incorrect an error message appears If the new password is entered without err...

Page 53: ...emory to speed up GUI performance and the video playback frame rate Shared System Memory Area 0 5MB 1MB 1 5MB 2MB 2 5MB 3MB 3 5MB 4MB Built in 8QW CPU post write buffer with byte merging capability Su...

Page 54: ...r Built in dual clock generator Built in monitor sense circuit Built in graphics accelerator and VGA controller Built in video acclerator Built in Phillips SAA7110 SAA7111 Brooktree Bt815 817 819A 8 b...

Page 55: ...windows expansion Built in 64x16 video capture FIFOs to support video capture Built in four 64x48 line buffers to support vertical interpolation in YUV packed and planar modes Built in contrast enhanc...

Page 56: ...e VESA extension compliant BIOS Extended graphics and text modes are supported by software application drivers developed by SiS The following applications are currently supported 3D Studio Ver 3 0 4 0...

Page 57: ...SQ578 Documentation Rev Number A02 September 1997...

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