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Any board there 3 stander Jumper for BIOS Config 1-2-3 in normal condition jumper always will be short on 1-2 if you want to clear the BIOS Config switch the computer take out the Jumper from 1-2 and insert in 2-3 after that switch on for 5 second and turn off computer then again take back jumper in to old postion that is 1-2 then start computer go in to bios setup you can see bios will be clear all old setting,
open yout cabiner then reset your bios setup but interchanging the jumper setting available on motherboard once u restart comp. later switch off n then place the jumper to its original place n start ur comp n try accessing bios.
Right after you power the computer on start tapping F2 rapidly on the keyboard until you are in the BIOS setup. When you are in the BIOS setup, check to see that the computer recognizes your boot device and that your boot order is correct. Also, if you have changed any jumpers on your mainboard; change the back.
First be clear, do you want to update your BIOS & if so then go through this first: To identify your current BIOS version, check the BIOS version string:
During boot, enter the BIOS setup by pressing F2.
Check the Main menu.
The 4-digit number after the '86A' or '86I' is the current BIOS version, as in this example: MQ96510H.86A.1663.2007.0319.1957
Press Escape to exit BIOS Setup.
Update the BIOS on your computer only if the newer BIOS version
specifically solves a problem you have. We do not recommend BIOS
updates for computers that do not need it. You can view all new BIOS
fixes in the Release Notes included on the BIOS download page in
Before initiating a BIOS update, be sure to read and
precisely follow the update instructions. You may wish to print the
instructions for easy reference.
If a BIOS update process is interrupted, your computer may
not function properly. We recommend the process be done in an
environment with a steady power supply (preferably with UPS).
All images in the examples used in the instructions are
specific to certain desktop boards and are for illustration purposes
only. You need to select the correct BIOS files for your desktop board.
There are up to six methods of updating an Intel® Desktop Board BIOS
to the latest version. The number of options made available for any
particular board may vary, depending on drive support and BIOS update
file size. You only need to use one.
All BIOS update files for Intel® Desktop Boards are available on Intel(link: http://mysearch.intel.com/corporate/default.aspx?culture=en_US&q=d845PEBT2&category=all&adv=0&value=0&searchsubmit.x=30&searchsubmit.y=12). If simply want to clear the BIOS then either remove the small battery on the MB, wait for a couple of minutes and replace it. Else close to the BIOS chip look for a 3 pin setup on the mother boar with a jumper on two pins Remove the jumper, wait for 10-20 seconds & replace it. That will clear the BIOS. A word of caution, do not update the BIOS if your PC is working properly. Do it when prompted to,during installing a new software or hardware this message will pop up on the screen.................sodeep
http://downloadcenter.intel.com/download.aspx?url=/12687/eng/SC1-032P.BIO&DwnldId=12687&ProductID=2441&lang=eng Download this .BIO file from intel Web site & Copy it to floppy disket & remove your CMOS Jumper, insert your floppy & turn on your pc after few beeps pc will automaticall turn off. replace your CMOS jumper & turn on & load BIOS default valus.
* use Good working condition floppy drive & full formatted high density floppy disket (new one) & UPS for backup.
Make sure the BIOS Configuration Jumper is in the 'Normal' position
(pins 1 and 2) and not in the Config position (pins 2 and 3). It is
located near the battery at the corner of the board. The Manual
and Config information can be found here.
I followed the suggestion of changing the BIOS configuration to the recovery mode, however one thing was missing - it required a startup disk and I didn't have one. I then changed the BIOS configuration to the config (pins 2 & 3) mode, booted up and went to the BIOS/CMOS setup and a new menu tab appeared called "maintenance". I went to the advance tab and selected USB configuration and, instead of a blank screen, there appeared a selection for USB support and it showed disabled. I changed the setting to enabled and three more lines of information regarding USB came up, but required not further changes. I went to F10 and saved and exited and I now have me USB capability back.