BCM SQ576 User Manual Download Page 46

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Summary of Contents for SQ576

Page 1: ...SQ576 Pentium PCI Mainboard User s Manual ...

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Page 3: ...n 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 wear a grounded wrist strap When handling the mainboard or an adapter card avoid touching its components Handle the mainboard and adapter cards either by the edges or by the adapter card s case mounti...

Page 4: ...art 15 of FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation ...

Page 5: ...MM OR DIMM 3 5 3 3 INSTALLATION OF THE CPU 3 9 3 4 INSTALLATION OF EXPANSION SLOTS 3 10 3 5 INSTALLATION OF IDE I O CABLES CONNECTION 3 10 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 MENU 4 8 4 5 CHIPSET FEATURES SETUP MENU 4 11 4 6 POWER MANAGEMENT SETUP MENU 4 12 4 7 PCI CONFIGURATION SETUP MENU 4 15 4 8 INTEGRATED PERI...

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Page 7: ...o explain the installation procedures and operations of the mainboard as specified below 1 Introduction Manual information and checklist 2 Key Features An overview specification of this mainboard 3 Installation Instructions on how to setup the mainboard 4 BIOS setup BIOS software setup information 1 3 Item Checklist The SQ576 mainboard should contain following items ü Immediately contact your reta...

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Page 9: ...4 2Mx64 or 4Mx64 for a maximum of 256MB system memory Chipset Intel Triton 430TX set is the core chipset with an Winbond 977 super I O controller chip Expansion Slots Four 32 bit PCI and Three 16 bit ISA expansions slots one shared Super Multi I O Two high speed UART compatible serial ports and One parallel port with ECP and EPP compatibility One FDD header supporting either 5 25 or 3 5 1 2 or 1 4...

Page 10: ...t PCI bus 32 bit PCI bus 32 bit PCI bus 32 bit PCI bus USB COM1 COM2 Parallel Port Primary IDE Secondary IDE Floopy Conn 72 pin SIMM Slot 3 72 pin SIMM Slot 2 72 pin SIMM Slot 1 72 pin SIMM Slot 4 168 pin DIMM Slot 1 168 pin DIMM Slot 2 SMC935 PIIX4 SRAM TAG SRAM Clock MTXC CPU PS 2 mouse header J1 IRDA connector J23 J2 JP10 JP5 JP4 JP6 JP7 JP8 JP1 ...

Page 11: ...ing 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 metal conductive plate inside fits over two pins to create an electrical contact or short between them This contact establishes a hardware setting and is referred to as a closed jumper setting Some jumper have two pins while others may have three or more ...

Page 12: ...tely from the jumpers listed in Mainboard Layout Any improper placing of jumper caps over these connectors will result in damage to your mainboard 3 1 4 Configuration Jumpers Jumpers 1 JP4 JP5 JP10 Processor voltage selection 2 JP1 JP6 JP7 JP8 Processor System speed setting The Jumper located As below JP10 JP1 JP8 JP7 JP6 JP4 JP5 3 1 5 Processor Voltage Setting JP4 JP5 JP10 The Pentium P55C Cyrix ...

Page 13: ... GENERATOR which is determined by jumpers These jumpers tell the system what speed to run at Currently this mainboard speed range is from 90MHz to 233MHz 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 malfunction Intel CPU Settings JP1 JP8 JP7 JP6 90MHz 60MHz x 1 5 10...

Page 14: ...x 3 233MHz 66MHz x 3 5 Cyrix 6x86 M2 Settings JP1 JP8 JP7 JP6 110MHz P133 50MHz x 2 120MHz P150 60MHz x 2 133MHz P166 66MHz x 2 M2 150 60MHz x 2 5 M2 166 66MHz x 2 5 M2 180 60MHz x 3 M2 200 66MHz x 3 AMD K5 Settings JP1 JP6 JP7 JP8 ...

Page 15: ...ine Memory Module You can configure the system memory size in a variety of ways by using different combinations of the four 72 pin DRAM SIMM The memory must be 70ns nanoseconds or faster using either Fast Page Mode or Extended Data Output EDO types The memory table below shows the different memory size combinations available Please pay attention to the following restrictions 1 You must use one pai...

Page 16: ...x2 None 16MB 8MBx2 None 32MB 16MBx2 None 64MB 32MBx2 None 8MB None 4MBx2 16MB None 8MBx2 32MB None 16MBx2 64MB None 32MBx2 16MB 4MBx2 4MBx2 24MB 4MBx2 8MBx2 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 128MB 32...

Page 17: ...se the memory module push both retaining clips outwards and carefully rock the module forward IMPORTANT Do not use SIMM that use an extra TTL chip to convert the memory module from asymmetric to symmetric 3 2 4 DIMM Dual Inline Memory Modules The SQ576 mainboard features two 168 pin DIMM sockets with each supporting 8MB to 64MB of SDRAM EDO using 1MBx64 2MBx64 4MBx64 and 8MBx64 DIMM Asymmetrical s...

Page 18: ...unbuffered SDRAM DIMM with serial presence detect 16MB 2Mx64 1Mx16 2banks DIMM1 2 66 67Mhz 168 pin 3 3V unbuffered SDRAM DIMM with serial presence detect 16MB 2Mx64 2Mx8 1bank DIMM1 or 2 66 67Mhz 168 pin 3 3V unbuffered SDRAM DIMM with serial presence detect 32MB 4Mx64 2MBx8 2banks DIMM1 2 66 67Mhz 168 pin 3 3V unbuffered SDRAM DIMM with serial presence detect 64MB 8Mx64 2MBx8 2banks DIMM1 2 66 67...

Page 19: ... CPU To install a CPU remember to take the following precautions against static electric discharge The basic procedure is as follows NOTICE When installing the CPU into the CPU socket 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 Notch Blank Corner IMPORTANT you must set ...

Page 20: ... and will accommodate either an ISA or a PCI expansion card but not both at the same time All four 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 shipped with the expansion card for instructions NOTICE Some expansion cards require an IRQ to work and may cause a conflict Th...

Page 21: ...ondary 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 8 5 Host Data 6 6 Host Data 9 7 Host Data 5 8 Host Data 10 9 Host Data 4 10 Host Data 11 11 Host Data 3 12 Host Data 12 13 Host Data 2 14 Host Data 13 15 Host Data 1 16 Host Data 14 17 Host Data 0 18 ...

Page 22: ...ove data transferring capacity True Plug and Play this new bus technology will support over 127 different peripherals through a Hub Pin Signal Name USB1 USB2 1 5V 2 USB0 3 USB0 4 Ground 5 Ground WARNING When you connect a ribbon cable to these ports you must orient the cable connector so that the PIN 1 edge of the cable is at the PIN 1 end of the on board connector 3 5 5 Power Input Connector 20 p...

Page 23: ...D 3 LED 4 LED 3 5 8 Reset Switch Connector 2 pin 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 extend the life of the system s power supply Pin Signal Name 1 Reset 2 Ground 3 5 9 Suspend Switch 2 pin This connect supports the case mounted suspend switch allowing you to manually place the system into susp...

Page 24: ...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 The efficient distance is 100cm and the transfer rate is 1 44M KB sec Pin Signal Name 1 5V 2 No connect 3 IrRX 4 Ground 5 IrTX 6 Reserve 7 F IrRX IMPORTANT You must configure this feature through the BIOS The IR m...

Page 25: ... printer s power being on Pin Signal Name Pin Signal Name 1 STROBE 14 AUTOFD 2 DATA BIT 0 15 FAULT 3 DATA BIT 1 16 PINIT 4 DATA 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 3 5 15 Serial Port J12 J13 The SQ576 has two serial ports The electrical ch...

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Page 27: ... When these preliminaries are finished the BIOS seeks an operating system on one of the data storage devices hard drive floppy drive etc The BIOS launches the operating system and hands control of system operations to it To start Setup press the Del key some time before or while a message similar to this appears briefly at the bottom of the screen during POST TO ENTER SETUP PRESS DEL KEY If the me...

Page 28: ...nd saving system changes with Setup you discover that your computer no longer is able to boot the Award BIOS supports an override to the CMOS settings that resets your system to its default configuration You can invoke this override by immediately pressing Insert when you restart your computer You can restart by either using the ON OFF switch the RESET button or by pressing Ctrl Alt Delete The bes...

Page 29: ...owing is a brief summary of each Setup category Standard CMOS Options in the original PC AT compatible BIOS BIOS Features Award enhanced BIOS options Chipset Features Options specific to your system chipset Power Management Advanced Power Management APM options PnP PCI Configuration Plug and Play standard and PCI Local Bus configuration options Integrated Peripherals I O subsystems that depend on ...

Page 30: ...rmation only Press the left or right arrow key to move to the desired field date month year Press the PgUp or PgDn key to increment the setting or type the desired value into the field 4 3 2 Time The time format is based on the 24 hour military time clock For example 1 p m is 13 00 00 Press the left or right arrow key to move to the desired field Press the PgUp or PgDn key to increment the setting...

Page 31: ...er Landz Landing zone Sector Number of sectors Mode Auto Normal large or LBA Auto The BIOS automatically determines the optimal mode Normal Maximum number of cylinders heads and sectors supported are 1024 16 and 63 Large For drives that do not support LBA and have more than 1024 cylinders LBA Logical Block Addressing During drive accesses the IDE controller transforms the data address described by...

Page 32: ...POST does not stop for a keyboard error but stops for all other errors All But Diskette POST does not stop for diskette drive errors but stops for all other errors All But Disk Key POST does not stop for a keyboard or disk error but stops for all other errors 4 3 7 Memory You cannot change any values in the Memory fields they are only for your information The fields show the total installed random...

Page 33: ...ay resident TSR programs such as device drivers in this area to free as much conventional memory as possible for applications Lines in your CONFIG SYS file that start with LOADHIGH load programs into high memory Total Memory System total memory is the sum of base memory extended memory and other memory ...

Page 34: ...Values Shift F2 Color F7 Load Setup Defaults Figure 3 4 4 1 Virus Warning When enabled you receive a warning message if a program specifically a virus attempts to write to the boot sector or the partition table of the hard disk drive You should then run an anti virus program Keep in mind that this feature protects only the boot sector not the entire hard drive NOTE Many disk diagnostic programs th...

Page 35: ...ack floppy drives we recommend that you set this field to Disabled to save time 4 4 7 Boot Up NumLock Status Toggle between On or Off to control the state of the NumLock key when the system boots When toggled On the numeric keypad generates numbers instead of controlling cursor operations 4 4 8 Typematic Rate Setting When Disabled the following two items Typematic Rate and Typematic Delay are irre...

Page 36: ... bit or 32 bit DRAM bus Firmware not shadowed must be read by the system through the 8 bit X bus Shadowing improves the performance of the system BIOS and similar ROM firmware for expansion peripherals but it also reduces the amount of high memory 640 KB to 1 MB available for loading device drivers etc Enable shadowing into each section of memory separately Many system designers hardwire shadowing...

Page 37: ... ROM at F0000h FFFFFh resulting in better system performance However if any program writes to this memory area a system error may result 4 5 3 Video BIOS Cacheable Selecting Enabled allows caching of the video BIOS ROM at C0000h to C7FFFh resulting in better video performance However if any program writes to this memory area a system error may result 4 5 4 8 16 Bit I O Recovery Time The I O recove...

Page 38: ...ection PM Timers for a brief description of each mode This table describes each power management mode Disable Global Power Management will be disabled Max Saving Maximum power savings Only Available for SL CPUs Inactivity period is 1 minute in each mode User Define Set each mode individually Select time out periods in the PM Timers section following Min Saving Minimum power savings Inactivity peri...

Page 39: ...drive inactivity 1 to 15 minutes the hard disk drive powers down while all other devices remain active 4 6 9 VGA Active Monitor When Enabled any video activity restarts the global timer for Standby mode 4 6 10 Soft Off by PWR BTTN When this feature set to Delay 4 sec the system will become suspend once the Power Switch be pressed within 4 second and the system will Power Off once the Power Switch ...

Page 40: ...SQ576 4 14 IRQ3 7 9 15 NMI Primary IDE 0 Primary IDE 1 Secondary IDE 0 Secondary IDE 1 Floppy Disk Serial Port Parallel Port ...

Page 41: ...lug and Play compatible devices If you select Auto all the interrupt request IRQ and DMA assignment fields disappear as the BIOS automatically assigns them 4 7 2 PnP O S Installed Select Yes if the system operating environment is Plug and Play aware e g Windows 95 4 7 3 Reset Configuration Data Normally you leave this field Disabled Select Enabled to reset Extended System Configuration Data ESCD w...

Page 42: ...r system PCI or ISA Standard ISA interrupts for IDE channels are IRQ14 for primary and IRQ15 for secondary 4 7 7 Primary Secondary IDE INT Each PCI peripheral connection is capable of activating up to four interrupts INT A INT B INT C and INT D By default a PCI connection is assigned INT A Assigning INT B has no meaning unless the peripheral device requires two interrupt services rather than just ...

Page 43: ...d drive supports block mode most new drives do select Enabled for automatic detection of the optimal number of block read writes per sector the drive can support 4 8 2 IDE Primary Secondary Master Slave PIO The four IDE PIO Programmed Input Output fields let you set a PIO mode 0 4 for each of the four IDE devices that the onboard IDE interface supports Modes 0 through 4 provide successively increa...

Page 44: ...u wish to use it 4 8 9 IR Transmittion delay When the Transmittion delay setting is enabled you can select a Transmittion delay 4 8 10 IR IRQ Select Specifies the IRQ for Ir function 4 8 11 Onboard Parallel Port Select a logical LPT port name and matching address for the physical parallel printer port 4 8 12 Onboard Parallel Mode Select an operating mode for the onboard parallel printer port Selec...

Page 45: ... of the screen ENTER PASSWORD Type the password up to eight characters and press Enter Typing a password clears any previously entered password from CMOS memory Now the message changes CONFIRM PASSWORD Again type the password and press Enter To abort the process at any time press Esc In the Security Option item in the BIOS Features Setup screen select System or Setup System Enter a password each t...

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Page 47: ...SQ576 Documentation Rev Number A02 May 1997 ...

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