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AcerAltos 500L User’s Guide

SMBus Interrupt (IRQ9)

The System Management Bus (SMBus) is used for controlling and
getting information from devices on a motherboard.  It was designed
for hybrid devices based on analog semiconductor technologies and
with limited digital capabilities.  This parameter allows you to enable or
disable this feature.

 

Summary of Contents for Altos 500L

Page 1: ...AcerAltos 500L User s Guide ...

Page 2: ...s any warranties merchantability or fitness for any particular purpose Any software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer and not this company its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the software...

Page 3: ...erheating these openings must not be blocked or covered The openings should never be blocked by placing the product on a bed sofa rug or other similar surface This product should never be placed near or over a radiator or heat register or in a built in installation unless proper ventilation is provided 7 This product should be operated from the type of power indicated on the marking label If you a...

Page 4: ...rvicing to qualified service personnel 13 Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions a When the power cord or plug is damaged or frayed b If liquid has been spilled into the product c If the product has been exposed to rain or water d If the product does not operate normally when the operating instructions are followed...

Page 5: ...rom children and dispose of used battery promptly 16 Use only the proper type of power supply cord set provided in your keyboard manual accessories box for this unit It should be a detachable type UL listed CSA certified type SJT rated 6A 125V minimum VDE approved or its equivalent Maximum length is 15 feet 4 6 meters ...

Page 6: ... If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and receiver 3 Connect the equipment into an outlet on a circuit...

Page 7: ...This chapter describes the assembly and disassembly of the system housing It also shows you how to install housing components Chapter 2 System Board This chapter describes the main board Also It introduces the system s unique features and powerful architecture Chapter 3 BIOS Utility This chapter explains the BIOS parameter functions It tells how to configure the system by setting the parameters ...

Page 8: ...actual keys that you have to press on the keyboard NOTE Gives bits and pieces of additional information related to the current topic CAUTION Gives precautionary measures to avoid possible hardware or software problems IMPORTANT Reminds you to take specific action relevant to the accomplishment of the procedure at hand WARNING Alerts you to any danger that might result from doing or not doing speci...

Page 9: ... Installing Disk Drives 1 7 3 5 inch Floppy Drive 1 7 5 25 inch Drives 1 8 Hard Disk Drives 1 9 Installing Expansion Cards 1 10 Chapter 2 System Board Major Components 2 2 System Board Layout 2 3 Jumpers and Connectors 2 4 Jumper and Connector Locations 2 4 Jumper Settings 2 5 Connector Functions 2 5 ESD Precautions 2 7 Installing the Pentium II Processor 2 8 Attaching the Processor Fan Sink 2 8 ...

Page 10: ...ware Error Messages 2 19 System Error Messages 2 19 Correcting Error Conditions 2 22 Chapter 3 BIOS Utility Entering Setup 3 2 System Information 3 4 Processor 3 5 Processor Speed 3 5 Internal Cache Size 3 5 External Cache 3 5 Floppy Drive A 3 5 Floppy Drive B 3 5 IDE Primary Channel Master 3 6 IDE Primary Channel Slave 3 6 IDE Secondary Channel Master 3 6 IDE Secondary Channel Slave 3 6 Total Mem...

Page 11: ...ion 3 9 Disk Drives 3 10 Floppy Drives 3 10 LS 120 Drive Compatible As 3 11 IDE Drives 3 11 Onboard Peripherals 3 16 Serial Ports 1 and 2 3 16 Parallel Port 3 17 Onboard Device Settings 3 18 Power Management 3 21 Power Management Mode 3 21 Power Switch 4 sec 3 22 System Wake up Event 3 22 Boot Options 3 23 Boot Sequence 3 23 First Hard Disk Drive 3 24 Fast Boot 3 24 Silent Boot 3 24 ...

Page 12: ...e Agent 3 25 Date and Time 3 26 Date 3 26 Time 3 27 System Security 3 28 Setup Password 3 28 Power on Password 3 31 Disk Drive Control 3 32 Advanced Options 3 34 Memory Cache Options 3 34 PnP PCI Options 3 36 CPU Frequency 3 38 Load Default Settings 3 40 Abort Settings Change 3 41 Exit Setup 3 42 ...

Page 13: ...how to install the basic system components such as disk drives a system board or expansion boards Descriptive illustrations accompany the installation procedures If you receive a complete system the basic components are already installed Standalone System For a standalone system rotate the feet outward to stabilize the housing ...

Page 14: ...1 2 AcerAltos 500L User s Guide Features Front Panel Keylock Panel Door ...

Page 15: ...Chapter 1 System Housing 1 3 Rear Panel Power Supply Power Socket COM port slots Expansion Port Slots Expansion Slots SCSI Expansion Slots Housing Fan System Board connectors ...

Page 16: ...cture The figure below shows the housing internal structure and some of the basic system components Power Supply 5 25 inch Drive Bays Expansion Card Slots Housing Fan 3 5 inch Drive Bay Hard Disk Drive LED Power Switch System Status LED Power LED ...

Page 17: ...Chapter 1 System Housing 1 5 Opening the Housing Panels Front Panel Unlock the housing with the key and then pull the panel to access the drive trays Keylock ...

Page 18: ...00L User s Guide Left Panel To remove the left panel 1 Use a screw driver to remove the two screws securing it to the rear panel 2 Pull the panel handle to slide the left panel open Left Panel Handle Left panel screws ...

Page 19: ...ive 1 Open the front panel and remove the left panel of the housing See the Opening the Housing Panels section for more information 2 Detach the 3 5 inch drive bracket 2 pieces by removing the screws from the housing 3 Attach the drive bracket to the 3 5 inch drive with four screws 4 Insert the drive into the drive bay and secure it with two screws 5 Connect the signal and power cables to the driv...

Page 20: ... the housing See the Opening the Housing Panels section for more information 2 Detach the 5 25 inch drive bracket 2 pieces by removing the screws from the housing 3 Attach the drive bracket to the 5 25 inch drive with four screws 4 Insert the drive into the drive bay and secure it with two screws 5 Connect the signal and power cables to the drive ...

Page 21: ... the 5 25 inch drive bay 1 Open the front panel and the left panel of the system See the Opening the Housing Panels section for more information 2 Secure the disk drive into the drive tray with four screws 3 Align the lower screw holes of the tray bracket to the tray s screw holes and secure it with four screws ...

Page 22: ...e bay and secure it with two screws 5 Connect the signal and power cables to the drive Installing Expansion Cards To install an expansion card 1 Locate an empty PCI ISA or AGP slot on the system board and then remove its expansion slot bracket Save the screw for later use ...

Page 23: ...matically detects and assigns resources to these expansion cards Both PnP and non PnP ISA cards require specific IRQs When installing ISA cards make sure that the IRQs required by these cards are not previously assigned to PCI devices to avoid resource conflicts When installing an AGP card make sure that the IRQ required by this card is not already assigned to a PCI or ISA device to avoid resource...

Page 24: ......

Page 25: ...rformance The PIIX4 is a multifunction PCI device controller implementing system functions including PCI IDE universal serial bus USB host hub and enhanced power management It also supports Ultra DMA 33 synchronous DMA compatible devices The system board utilizes both the ISA and the PCI local bus architecture Two ISA five PCI bus slots including one PCI ISA shared slot and one AGP slot reside on ...

Page 26: ...that accept 16 32 64 and 128 MB DIMMs One AGP two ISA and five PCI expansion slots including one PCI ISA shared slot 256 KB Flash ROM for system BIOS Enhanced IDE hard disk and diskette drive interface PS2 power connector System controller chipset External ports USB connector Parallel port PS 2 compatible keyboard port PS 2 compatible mouse port Serial port 1 and 2 ...

Page 27: ... Serial port 2 5 Parallel port 6 Serial port 1 7 BIOS 8 ISA slots 9 PCI slots 10 AGP slot 11 Battery 12 Intel 82371EB 13 IDE1 connector 14 IDE2 connector 15 FDD connector 16 Intel 440BX 17 DIMM sockets 18 Voltage regulators 19 CPU slot 20 Power connector 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 17 18 19 20 15 ...

Page 28: ...2 4 AcerAltos 500L User s Guide Jumpers and Connectors Jumper and Connector Locations The blackened pin of a jumper or connector represents pin 1 ...

Page 29: ...V CN2 CPU thermal sensor connector CN3 CPU fan connector CN5 Power connector CN6 Floppy disk connector CN7 USB connectors CN8 COM1 lower right COM2 lower left and Parallel port above CN9 Upper PS 2 mouse connector Lower PS 2 keyboard connector CN10 Enhanced IDE 2 connector CN11 Enhanced IDE 1 connector CN12 Hard disk LED connector CN13 SCSI disk LED connector CN15 Wake up On LAN connector reserved...

Page 30: ...tion CN16 Power switch CN19 Housing fan connector CN20 Audio line in connector reserved CN21 Modem Ring In wake up connector reserved CN22 Turbo LED connector JP1 Power LED connector JP2 System reset connector JP5 Housing intrusion switch connector ...

Page 31: ...tem component from its packaging unless you are ready to install it 2 Wear a wrist grounding strap before handling electronic components Wrist grounding straps are available at most electronic component stores DO NOT attempt the procedures in the following sections unless you are confident of your capability to perform them Otherwise ask a service technician for assistance ...

Page 32: ...inds can be easily attached to the Pentium II processor module The new fan sink includes a new metal retention bracket to hold the Pentium II processor module more securely The Pentium II processor module comes with holes on one side to hold the clips of the fan sink The upper set of holes near the latches on the processor are wider and should match the wider ends of the clips on the fan sink The ...

Page 33: ... thermal tape protector at the back of the fan sink 2 Insert the wide clip ends into the wide holes on the processor and the narrow clip ends into the narrow holes 3a Use a screwdriver to press and lock in the wide end of a clip first Then without lifting the screwdriver point it downward to press and lock the narrow end of the clip ...

Page 34: ...2 10 AcerAltos 500L User s Guide 3b Using your fingers push down the metal brackets until they click into the CPU cartridge and then push the metal bracket handles to lock the metal brackets into place ...

Page 35: ...or into the socket on the CPU board 1a Place the retention mechanism over the processor socket on the CPU board Secure it with the screws that came with the package 1b Place the retention mechanism over the processor socket on the CPU board Secure it with the plastic pegs that came with the package as shown below ...

Page 36: ...o the posts of the retention mechanism then lower it down The golden fingers of the Pentium II module are slotted such that it only fits in one direction Make sure that the module groove matches the one on the processor socket 3 Press down the processor module until the golden fingers completely fit into the socket ...

Page 37: ... 4 Press the latches on the sides to lock the processor module into place Removing a Pentium II Processor Follow these steps to remove the Pentium II CPU module from the slot 1 Unlock the latches that secure the processor module ...

Page 38: ...2 14 AcerAltos 500L User s Guide 2 Firmly hold the processor module and pull it out of the socket ...

Page 39: ...AM specifications Do not use both 66 MHz unbuffered and 100 MHz registered SDRAM together It could cause your system to malfunction Each of the sockets represents one independent bank This allows you to install DIMMs with different capacities to form a configuration Memory Configurations The table below lists some system memory configurations You may combine DIMMs with various capacities to form o...

Page 40: ...MB Installing a DIMM To install a DIMM align it with the socket and press it down until the holding clips secure the DIMM in place The DIMM socket is slotted to ensure proper installation If you slip in a DIMM but it does not completely fit you may have inserted it the wrong way Reverse the orientation of the DIMM ...

Page 41: ...ving a DIMM To remove a DIMM press the holding clips on both sides of the socket outward to release the DIMM Place your forefingers on the top of the DIMM before you press the holding clips to gently disengage the DIMM from the socket ...

Page 42: ...g or removing DIMMs Follow these steps to reconfigure the system 1 Reboot the system A memory error message appears indicating that the total memory does not match the value stored in CMOS 2 Press 3 Press twice to exit Setup and reboot the system The system boots with the new memory configuration ...

Page 43: ...stem or when you run your application If you receive this type of message consult your application or operating system manual for help System Error Messages A system error message indicates a problem with the computer itself A message of this type normally appears during the power on self test before the operating system prompt appears The table below lists the system error messages along with sug...

Page 44: ... Hard Disk Controller Error Run Setup Hard Disk 0 Error Check all cable connections Replace hard disk Hard Disk 1 Error Check all cable connections Replace hard disk Hard Disk 0 Extended Type Error Run Setup Hard Disk 1 Extended Type Error Run Setup I O Parity Error Contact your dealer Keyboard Error or No Keyboard Connected Check and connect the keyboard to the system unit Keyboard Interface Erro...

Page 45: ... Setup and disable the port Onboard Serial Port 2 Conflict Run Setup and disable the port Onboard Parallel Port Conflict Run Setup and disable the port Pointing Device Error Check and connect pointing device Pointing Device Interface Error Replace the pointing device or contact your dealer Press F1 key to continue or Ctrl Alt Esc for Setup Press or to enter Setup Real Time Clock Error Run Setup an...

Page 46: ...ion is a major cause of power on error messages especially for a new system 2 Remove the system cover following the directions in the housing installation manual Check that the jumpers on the system board and any expansion boards are set correctly 3 If you cannot access a new disk it may be because your disk is not properly formatted Format the disk first using the FDISK and FORMAT commands 4 Chec...

Page 47: ...m loads configuration values into the battery backed nonvolatile memory called CMOS RAM This memory area is not part of the system RAM If you repeatedly receive Run Setup messages the battery may be bad In this case the system cannot retain configuration values in CMOS Ask a qualified technician for assistance Before you run Setup make sure that you have saved all open files The system reboots imm...

Page 48: ...t Options Date and Time System Security Load Default Settings Abort Settings Change The system supports two BIOS Utility levels Basic and Advanced The above screen is the BIOS Utility Basic Level screen This allows you to view and change only the basic configuration of your system If you are an advanced user you may want to check the detailed configuration of your system Detailed system configurat...

Page 49: ...parameter appears only when you are in the Advanced Level The parameters on the screens show default values These values may not be the same as those in your system The grayed items on the screens have fixed settings and are not user configurable Use the arrow keys and to move around the Setup Utility screen Use to move to the next page or to return to the previous page if the setup screen has mor...

Page 50: ...None IDE Primary Channel Master Hard Disk xxx MB IDE Primary Channel Slave None IDE Secondary Channel Master None IDE Secondary Channel Slave None Total Memory xxx MB 1st Bank SDRAM xxx MB 2nd Bank None 3rd Bank None The System Information menu shows the current basic configuration of your system The next screen shows page 2 of the System Information menu System Information Serial Port 1 3F8h IRQ ...

Page 51: ...t 266 MHz Internal Cache Size This parameter specifies the first level or the internal memory i e the memory integrated into the CPU size and whether it is enabled or disabled External Cache This parameter specifies the second level cache memory size currently supported by the system The available cache sizes are 256 KB or 512 KB depending on the CPU installed For information on how to configure t...

Page 52: ...condary Channel Slave This parameter specifies the current configuration of the IDE device connected to the slave port of the secondary IDE channel Total Memory This parameter specifies the total amount of onboard memory The memory size is automatically detected by BIOS during the POST If you install additional memory the system automatically adjusts this parameter to display the new memory size 1...

Page 53: ...parameter shows the serial port 2 address and IRQ setting Parallel Port This parameter shows the parallel port address and IRQ setting PS 2 Mouse The BIOS utility automatically detects if there is a pointing device connected to your system If there is this parameter displays the Installed setting Otherwise it is set to None ...

Page 54: ...chnical support The following figure shows how the Product Information screen appears Product Information Product Name xxxxxxxxx System S N xxxxxxxxx Main Board ID xxxxxxxxx Main Board S N xxxxxxxxx System BIOS Version v3 1 DMI BIOS Version 2 00 1 Product Name This parameter specifies the official name of the system System S N This parameter specifies the system s serial number Main Board ID This ...

Page 55: ... board s serial number System BIOS Version This parameter specifies the version of the BIOS utility DMI BIOS Version This parameter specifies the version of the DMI Desktop Management Interface BIOS version DMI enables software to collect information about a computer environment ...

Page 56: ...Slave IDE Secondary Channel Master IDE Secondary Channel Slave Floppy Drives To enter the configuration value for the first floppy drive drive A highlight the Floppy Drive A parameter Press or to view the options and select the appropriate value Possible settings for the Floppy Drive parameters are None 360 KB 5 25 inch 1 2 MB 5 25 inch 720 KB 3 5 inch 1 44 MB 3 5 inch 2 88 MB 3 5 inch Follow the ...

Page 57: ...es inaccessible If two LS 120 drives exist BIOS recognizes them as drive A and drive B respectively Drive B BIOS recognizes the LS 120 drive as drive B If a standard diskette drive B exists it becomes inaccessible Hard Disk BIOS recognizes the LS 120 drive as a hard disk In this setting format the LS 120 drive as any other hard disk and assign it a drive letter C D E and so on See the documentatio...

Page 58: ...he slave port of IDE channel 2 The following screen appears if you select any of the IDE Drive parameters IDE Primary Secondary Channel Master Slave Type Auto Cylinder XXXX Head XXXX Sector XXXX Size XXXX MB Hard Disk Size 504MB Auto Hard Disk Block Mode Auto Advanced PIO Mode Auto Hard Disk 32 bit Access Enabled DMA Transfer Mode Auto CD ROM Drive DMA Mode Disabled The above parameters marked wit...

Page 59: ...automatically set depending on your Type parameter setting Sectors This parameter specifies the number of sectors of your hard disk and is automatically set depending on your Type parameter setting Size This parameter specifies the size of your hard disk in MB Enhanced IDE Features Hard Disk Size 504 MB When set to Auto the BIOS utility automatically detects if the installed hard disk supports the...

Page 60: ...educes hard disk activity time This results in better hard disk performance To disregard the feature change the setting to Disabled Hard Disk 32 bit Access Enabling this parameter improves system performance by allowing the use of the 32 bit hard disk access This enhanced IDE feature works only under DOS Windows 3 x Windows 95 or higher and Novell NetWare If your software or hard disk does not sup...

Page 61: ... 3 15 Set this parameter to Enabled to enable the DMA mode for the CD ROM drive This improves the system performance since it allows direct memory access to the CD ROM To deactivate the function set the parameter to Disabled ...

Page 62: ...ase Address 2F8h IRQ 3 Parallel Port Enabled Base Address 378h IRQ 7 Operation Mode Standard ECP DMA Channel Onboard Device Settings Serial Ports 1 and 2 These parameters allow you to enable or disable serial ports 1 and 2 Base Address This function lets you set a logical base address for serial ports 1 and 2 The options are 3F8h 2F8h 3E8h 2E8h IRQ This function lets you assign an interrupt for se...

Page 63: ... port The options are IRQ 5 and 7 The Base Address and IRQ parameters are configurable only if Parallel Port is enabled If you install an add on card that has a parallel port whose address conflicts with the onboard parallel port a warning appears on the screen Check the parallel port address of the add on card and change the address to one that does not conflict Operation Mode This item allows yo...

Page 64: ...speed higher than the maximum data transfer rate ECP DMA Channel This item becomes active only if you select Extended Capabilities Port ECP as the operation mode It allows you to assign DMA channel 1 or DMA channel 3 for the ECP parallel port function as required in Windows 95 or higher Onboard Device Settings The Onboard Device Settings menu allows you to configure the onboard communication ports...

Page 65: ...le only the primary IDE controller Both to enable both primary and secondary IDE controllers or Disabled to disable all IDE controllers PS 2 Mouse Controller This parameter enables or disables the onboard PS 2 mouse controller USB Host Controller This parameter lets you enable or disable the USB controller on board When enabled it activates the USB function of the system When disabled it deactivat...

Page 66: ...gement Bus SMBus is used for controlling and getting information from devices on a motherboard It was designed for hybrid devices based on analog semiconductor technologies and with limited digital capabilities This parameter allows you to enable or disable this feature ...

Page 67: ...Enabled Power Management Mode This parameter allows you to reduce power consumption When this parameter is set to Enabled you can configure the IDE hard disk and system timers Setting it to Disabled deactivates the power management feature and its timers IDE Hard Disk Standby Timer This parameter allows the hard disk to enter standby mode after inactivity of 1 to 15 minutes depending on your setti...

Page 68: ...onfigurable only if the System Sleep Timer is enabled Any keyboard or mouse action or any enabled monitored activities occurring through the IRQ channels resume system operation Power Switch 4 sec When set to Power Off the system automatically turns off when the power switch is pressed for less than 4 seconds When set to Suspend the system enters the suspend mode when pressed for less than 4 secon...

Page 69: ... Lock After Boot Enabled Memory Test Enabled Configuration Table Enabled Boot from LanDesk Service Agent Disabled The above parameter marked with will only appear if you access the advanced configuration level in the Main Menu Please refer to the Entering Setup section at the beginning of this chapter for more information Boot Sequence This parameter allows you to specify the boot search sequence ...

Page 70: ...ipping some POST routines The default setting is Auto Silent Boot This parameter enables or disables the Silent Boot function When set to Enabled BIOS is in graphical mode and displays only an identification logo during POST and while booting After booting the screen displays the operating system prompt such as DOS or logo such as Windows 95 If any error occurs while booting the system automatical...

Page 71: ... This parameter allows you to enable or disable the appearance of the configuration table after POST but before booting The configuration table gives a summary of the hardware devices and settings that BIOS detected during POST Boot from LANDesk Service Agent When set to Enabled the system boots from a LANDesk Service Agent network instead of your desktop system The LANDesk Service Agent is IEEE s...

Page 72: ...tely seven years and connected the clock continues to keep the date and time accurately even when the power is off Boot Options Date Fri Jun 11 1998 Time HH MM SS Date Highlight the items on the Date parameter and press or to set the date following the weekday month day year format Valid values for weekday month day and year are Weekday Sun Mon Tue Wed Thu Fri Sat Month Jan Feb Mar Apr May Jun Jul...

Page 73: ...tility 3 27 Time Highlight the items in the Time parameter and press or to set the time following the hour minute second format Valid values for hour minute and second are Hour 00 to 23 Minute 00 to 59 Second 00 to 59 ...

Page 74: ... Control Floppy Drive Normal Hard Disk Drive Normal Setup Password The Setup Password prevents unauthorized access to the BIOS utility To set or change a Password 1 Make sure that JP3 is set to 2 3 bypass password See Jumpers and Connectors for the location of JP3 You cannot enter the BIOS utility if a Setup password does not exist and JP3 is set to 1 2 check password By default JP3 is set to 2 3 ...

Page 75: ...e the characters do not appear on the screen 4 Press Retype your password in the Enter Password again field to verify your first entry 5 Highlight Set or Change Password and press 6 Press to return to the System Security menu and then press again to exit Setup The Exit Setup screen appears Exit Setup Settings have been changed Do you want to save to CMOS settings Yes No 7 Press Yes to save your se...

Page 76: ...Password parameter in the System Security menu by pressing the or arrow key to select None 2 Press to return to the System Security menu and then press again to exit Setup The Exit Setup screen appears Exit Setup Settings have been changed Do you want to save to CMOS settings Yes No 3 Press Yes to save your settings and exit Setup Utility Your previous password will be removed from CMOS Remember t...

Page 77: ...word function See Jumpers and Connectors in Chapter 1 for the location of JP3 3 Turn on the system and enter the BIOS utility This time the system does not require you to type in a password You can either change the existing Setup password or remove it by selecting None Refer to the previous section for the procedure Power on Password The Power on Password secures your system against unauthorized ...

Page 78: ...ver your system will not respond to any keyboard or mouse input until you enter the correct password Disk Drive Control The disk drive control features allow you to control the floppy drive or the hard disk drive boot function to prevent loading operating systems or other programs from a certain drive while the other drives are operational under DOS mode only Floppy Drive Setting Description Norma...

Page 79: ... 3 BIOS Utility 3 33 Normal Hard disk drive functions normally Write Protect All Sectors Disables the write function on all sectors Write Protect Boot Sector Disables the write function only on the boot sector ...

Page 80: ...mory PCI device settings and CPU frequency Do not change any settings in the Advanced Configuration if you are not a qualified technician to avoid damaging the system The following screen shows the Advanced Options parameters Advanced Options Memory Cache Options PnP PCI Options CPU Frequency Memory Cache Options The Memory Cache Options allows you to configure the advanced system memory functions...

Page 81: ...ernal Cache This parameter enables or disables the external cache memory The external cache is incorporated in the CPU module Cache Scheme This parameter shows the cache scheme status only as Write back mode Write back updates the cache but not the memory when there is a write instruction It updates the memory only when there is an inconsistency between the cache and the memory Memory at 15MB 16MB...

Page 82: ...settings for your PCI devices Selecting this option displays the following screen PnP PCI Ooptions PCI IRQ Setting Auto INTA INTB INTC INTD PCI Slot 1 PCI Slot 2 PCI Slot 3 PCI Slot 4 PCI Slot 5 AGP PCI IRQ Sharing No VGA Palette Snoop Disabled Graphics Aperture Size 64 MB Plug and Play OS Yes Reset Resource Assignments No PCI IRQ Setting Select Auto to let BIOS automatically configure the plug an...

Page 83: ...ble the feature select No If there are no IRQs available to assign for the remaining device function we recommend that you enable this parameter VGA Palette Snoop This parameter permits you to use the palette snooping feature if you installed more than one VGA card in the system The VGA palette snoop function allows the control palette register CPR to manage and update the VGA RAM DAC Digital Anal...

Page 84: ...itializes only PnP boot devices such as SCSI cards When set to No BIOS initializes all PnP boot and non boot devices such as sound cards Set this parameter to Yes only if your operating system is Windows 95 or higher Reset Resource Assignments Set this parameter to Yes to avoid IRQ conflict when installing non PnP or PnP ISA cards This clears all resource assignments and allows BIOS to reassign re...

Page 85: ...faster which makes applications run faster CPU Multiple This parameter sets the Core bus ratio of your system The clock speed of the bus does not necessarily equal the CPU s core The bus clock speed is often slower than the CPU clock speed Processor Speed The processor speed is the speed at which a microprocessor executes instructions Clock speeds are expressed in megahertz MHz with 1 MHz being eq...

Page 86: ...s some of the parameters are grayed out with their fixed settings These grayed parameters are not user configurable The following dialog box appears when you select Load Default Settings from the main menu Load Default Settings Do you want to load default settings Yes No Select Yes to load the default settings Select No to ignore the message and return to the BIOS utility ...

Page 87: ...gs The following dialog box appears when you select Abort Settings Change from the main menu Abort Settings Change Do you want to abort settings change Yes No Select Yes to disregard your changes and reload your previous settings After reload the main menu appears on screen Select No to ignore the message and return to the BIOS utility ...

Page 88: ...to enter when you rerun Setup Press to leave Setup Utility The following dialog box appears Exit Setup Do you really want to exit Setup Yes No Use the arrow keys to select your response Press If you made any changes to the Setup Utility the dialog box below is displayed Exit Setup Settings have been changed Do you want to save CMOS settings Yes No Use the arrow keys to select your response Select ...

Page 89: ...Chapter 4 SCSI VGA Combo Card 3 1 ...

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Page 91: ...LCD Module Event Log List A 1 ...

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