ENPC EP-KB22 User Manual Download

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Main Board

KB22 User’s Manual

Released Date

: Nov. 1998

User’s Manual Version

: A

Summary of Contents for EP-KB22

Page 1: ...Main Board KB22 User s Manual Released Date Nov 1998 User s Manual Version A ...

Page 2: ... Intelligence 5 Parts of the Motherboard 6 III INSTALLATION 7 Motherboard Layout 7 Installation Steps 8 1 Jumpers Setting 9 2 Install System Memory Module 10 3 Install the CPU 11 4 Install the Expansion Cards 13 Assigning IRQs for Expansion Cards 14 Assigning DMA Channels for ISA Cards 14 5 External Connection 15 6 Power on Procedures 21 IV BIOS SETUP Tips 22 1 ...

Page 3: ...setting up special feature in the BIOS Item Checklist Please check that your package is complete If you discover damaged or missing items please contact your retailer Motherboard x 1 40 pin IDE Connector Flat Cable x 1 34 pin Floppy Disk Drive Flat Cable x 1 User s Manual x 1 CD x 1 LDCM Diskette x 1 Option USB Connector Cable with bracket x 1 Option IrDA Module x 1 Option Option Components will b...

Page 4: ...lots to avoid damaging any circuits or sockets on board A cooling fan is strongly recommended The motherboard supports minimum of 8MB of system memory and a maximum of 384MB SDRAM The motherboard provides three 168 pin DIMM The board also supports onboard two PCI IDE connectors and detects the IDE hard disk type by the BIOS utility which is automatic The system also supports Award Plug Play BIOS f...

Page 5: ...um 4 EIDE Devices Support up to PIO Mode 4 DMA mode 2 Support Ultra DMA 33 Support HDD Auto Detect Expansion Slots 2 x 16 bit ISA Slots 5 x 32 bit PCI Slots 4 of which are masters the PCI 1 PCI 2 share one IRQ Fully compatible with PCI Bus Specification V2 1 Extended Features Support Fan Speed Detect Support Win95 98 SoftPower off Support Concurrent PCI Architecture Support Winbond W83781D H W Mon...

Page 6: ...emperatures to warn of damaging temperatures Voltage Monitoring and Alert System voltage levels are monitored to ensure stable current to critical motherboard components Voltage specifications are more critical for future processors so monitoring is necessary to ensure proper system configuration and management Modem Ring On This allows a computer to be turned on remotely through an external modem...

Page 7: ...User s Manual Rev A II FEATURES Parts of the Motherboard 6 ...

Page 8: ...III INSTALLATION Motherboard Layout Front Panel Connector USB Front Panel Connector USB Keyboard COM 2 COM 1 Mouse Keyboard Printer Port LPT COM 2 COM 1 ...

Page 9: ...ot to touch the IC chips leads or connectors or other components 4 Place components on a grounded antistatic pad or on the bag that came with the component whenever the components are separated from the system III 1 Jumpers Setting 1 2 3 1 2 Normal 2 3 Clear CMOS Clearing CMOS Clear which is a safety hook if you forget the password 1 After you have turned off your computer clear the CMOS memory by...

Page 10: ...e up to 512MB 256 256 if the 256MB DIMM module is available Note It is highly recommended to use the PC 100 Spec DIMM module Number Of Memory Module DIMM1 DIMM2 DIMM3 DIMM4 Memory Module Max Size 1 1 st 8 256 MB 256 MB 2 1 st 2 nd 8 256 MB 512 MB 3 1 st 2 nd 3 rd 8 256 MB 768 MB 4 1 st 2 nd 3 rd 4th 8 256 MB 1 GB DIMM 2 3 4 1 The DIMM types supported SDRAM Synchronous DRAM The following is the sum...

Page 11: ...to detect the CPU type if the CPU type is 66MHZ front side bus the setting only could be 66 68 75 83 MHZ If the CPU type is 100MHZ FSB the setting only could be 100 103 112 133 MHZ Selecting the CPU Frequency Step 2 Set the CPU Ratio for the CPU Timing with the Jumper 3 as follow J3 4 3 2 1 X 3 0 ON ON OFF ON X 4 0 ON ON ON OFF X 5 0 ON ON OFF OFF X 2 5 ON OFF ON ON X 3 5 ON OFF OFF ON X 4 5 ON OF...

Page 12: ...if you are use the dual CPUs 2 If you want to overclock the CPU please make sure the other peripherals can work fine with one another That mean you need to well test the whole system with your own configuration otherwise please set the default and safe setting with 66MHZ or 100MHZ front side bus 3 Please make sure you are using the correct DIMM module with he related CPU type For the 100MHZ or fas...

Page 13: ...n the following pages will have the same item numbers next to them for your reference The design and color of your items may be slightly different Attach Mount Bridges Items 1 2 Pentium II Retention Mechanism Item 3 Retention Mechanism Attach mount bridges ...

Page 14: ...n the upper side of the processor have been inserted into the holes at the top of the retention base Note that when removing the processor these snaps can be clicked into a completely vertical position leaving your hands free to stabilize the board and pull the processor evenly and gently out of the board Also note that like PCI and ISA slots Slot 1 has a divider that prevents backwards insertion ...

Page 15: ... up the BIOS if necessary such as IRQ xx Used By ISA Yes in PNP AND PCI SETUP Install the necessary software drivers for your expansion card This motherboard also provides an AGP Accelerated Graphics Port slot to support a new generation of graphics cards with ultra high memory bandwidth Notes Don t install the PCI Card in the PCI Slot 1 Slot 2 together with the Bus Master Card or the PCI Cards ar...

Page 16: ...hen install it in any available slot on the ISA bus You may use Microsoft s Diagnostic MSD EXE utility included in the Windows directory to see a map of your used and free IRQs For Windows 95 98 users the Control Panel icon in My Computer contains a System icon which gives you a Device Manager tab Double clicking on a specific device give you Resources tab which shows the Interrupt number and addr...

Page 17: ...in IRQ xx Used By ISA and DMA x Used By ISA for those IRQs and DMAs you want to reserve Notes If you have the problem to install the Windows 95 98 maybe system hung up or something wrong the installation can t complete Please try the following step 1 Remove all the Add ons only remain the Display Card 2 Set the BIOS default value 3 Re Install the OS Windows 95 or Windows 98 4 After completely inst...

Page 18: ...ake at least 10mAmp load on the 5V Standby lead 5VSB to meet the standard ATX specification 3 To prevent electrical spikes make sure that the power supply is not connected to an outlet when making or removing connections Power supplies contain power remains which can damage electrical components III 5 1 Power Supply Connector Plug the connector from the power directly into the 20 pin male ATX PW c...

Page 19: ...h USB devices to the USB connector The Mother board contains two USB connectors which are marked as USB USB is a new serial bus design that is capable of cascading low medium speed peripherals less than 12Mbps such as keyboard mouse joystick scanner printer and modem ISDN With USB complex cable connections at the back panel of your PC can be eliminated Pin Description Pin Description 1 5 VDC 5 5VD...

Page 20: ...turn off the power The system power LED shows that status of the system s power If the power to the ATX power supply is interrupted while the motherboard is on standby power will remember that the motherboard should be on and boot the computer when power is reapplied to the ATX power supply 5 Reset Switch Pin 1 2 This 2 pin connector connects to the case mounted reset switch for rebooting your com...

Page 21: ... be positive 12V while the black should be ground Connect the fan s plug to the board taking into consideration the polarity of the connector WARNING The CPU and or motherboard will overheat if there is no airflow across the CPU and onboard Heatsink Damage may occur to the motherboard and or the CPU fan if these pins are incorrectly used These are not jumpers do not place jumper caps over these pi...

Page 22: ...s shown and connect a ribbon cable from the module to the motherboard to the pin definitions There are two connectors are available for the IrDA one is near to Front Panel the other is rear user can use one of them to connect to IrDA module depending on the location you want 1 5 1 Vcc 2 NC 3 IR_RX 4 GND 5 IR_TX III 5 6 Wake On LAN WOL Attach the 3 pin connector from the LAN card which supports the...

Page 23: ...III 5 7 FDD HDD Connector FDD FDD IDE 2 IDE 1 ...

Page 24: ...t when the ATX power switch is pressed The monitor LED may light up after the system power up if it complies with green standards or if it has a power standby feature The system will then run power on tests While the tests are running additional messages will appear on the screen If you do not see anything within 30 seconds from the time you turn on the power the system may have failed a power on ...

Page 25: ...p The Standard CMOS Setup sets the basic system parameters such as the date time and the hard disk type Use the arrow keys to highlight an item and Page Up or Page Down to select the value for each item Tips The enhanced IDE feature allows the system to use a hard disk with a capacity of more than 528MB This is made possible through the Logical Block Address LBA mode translation The LBA is now to ...

Page 26: ...ds up POST by skipping some items that are normally checked Boot Sequence Allows you to specify the system boot up search sequence For example if you want to boot up the system from CD ROM you can set the sequence here Boot Up NumLock Status Setting this parameter to On enables the numeric function of the numeric keypad Gate A20 Option Fast that mean GateA20 signal supported by core logic Normal m...

Page 27: ... setting and not sure which one will be better parameter please load the BIOS default by press F6 or load the SETUP default by press F7 SDRAM RAS to CAS delay They are important parameters that affect the SDRAM performance If your SDRAM has unstable problem change 2 2 to 3 3 SDRAM CAS Latency Time This setting defines the CAS timing parameter of the SDRAM in terms of clocks Sometime the BIOS will ...

Page 28: ...ideo Off Method The option V H SYNC Blank allows the BIOS to blank off screen display by turning off the V Sync signals sent from add on VGA card DPMS Supported allows the BIOS to blank off screen display by your add on VGA card which supports DPMS Blank Screen allows the BIOS to blank screen display by turning off the red green blue signals Video Off After What time frame that the video will be d...

Page 29: ... 5 default 75 or 87 5 The bigger of the percentage the more saving power it gets PCI VGA Active Monitor Enabled the system can not enter the power saving mode when monitor is on Disabled the system can enter the power saving mode when monitor is on Soft Off by PWRBTN When enabled turning the system off with the on off button places the system in a very low power usage state with only enough circui...

Page 30: ... during POST Power On Self Test If you are using a PnP operating system such as Windows 95 98 set this item to Yes to inform BIOS to configure only the resources needed for booting VGA IDE or SCSI The rest of system resources will be allocated by PnP operating system Resources Controlled By Setting this option to Manual allows you to individually assign the IRQs and DMAs to the ISA and PCI devices...

Page 31: ...load setup default again Choose this item and the following message appears Load SETUP Defaults Y N Y To use the Setup defaults change the prompt to and press Y and press Enter Note Optimal is not the slowest setting for this mainboard If you need to verify a unstable problem you may manually set the parameter in the BIOS Features Setup and Chipset Features Setup to get slowest and safer setting ...

Page 32: ...PSET FEATURES SETUP UTILITY The Onboard PCI IDE cable should be equal to or less than 18 inches 45cm IDE Secondary Master UDMA IDE Secondary Slave UDMA Allows you to select the second PCI IDE channel of the secondary master hard disk mode or to detect it by the BIOS if the hard disk supports UDMA Ultra DMA faster than DMA USB Keyboard Support Choose Disabled default or Enabled You need to use the ...

Page 33: ...ay Choose Enabled or Disabled Ask your IR provider when you use this function USER Password This Main Menu item lets you configure the system so that a password is required every time the system boots or an attempt is made to enter the Setup program The password cannot be longer than 8 characters IDE HDD Auto Detection If your system has an IDE hard drive you can use this utility to detect its par...

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