How to clear Bios info (pdf document) free file download at fliiby.com

"READ EVEYTHING BEFORE YOU USE ANY METHOD LISTED BELOW Basic BIOS password crack - works 9.9 times out of ten This is a password hack but it clears the BIOS such that the next time you start the PC, the CMOS Get DOS prompt and type: DEBUG hit enter -o 70 2e hit enter -o 71 ff hit enter -q hit enter exit hit enter Restart the computer. It works on most versions of the AWARD BIOS. Accessing information on the hard disk When you turn on the host machine, enter the CMOS setup menu (usually you have to press F2, or DEL Standard BIOS backdoor passwords The first, less invasive, attempt to bypass a BIOS password is to try on of these standard manufac AWARD BIOS AWARD SW, AWARD_SW, Award SW, AWARD PW, _award, awkward, J64, j256, j262, j332, j322, 01322222, 58 AMI BIOS AMI, A.M.I., AMI SW, AMI_SW, BIOS, PASSWORD, HEWITT RAND, Oder Other passwords you may try (for AMI/AWARD or other BIOSes) LKWPETER, lkwpeter, BIOSTAR, biostar, BIOSSTAR, biosstar, ALFAROME, Syxz, Wodj Note that the key associated to "_" in the US keyboard corresponds to "?" in some European keyboar Flashing BIOS via software If you have access to the computer when it’s turned on, you could try one of those programs that r However, it might happen you don’t have one of those programs when you have access to the computer AMI/AWARD BIOS O 70 17 O 71 17 Q PHOENIX BIOS O 70 FF O 71 17 Q GENERIC Invalidates CMOS RAM. Should work on all AT motherboards (XT motherboards don’t have CMOS) O 70 2E O 71 FF Q Note that the first letter is a "O" not the number "0". The numbers which follow are two bytes in Flashing BIOS via hardware If you can’t access the computer when it’s on, and the standard backdoor passwords didn’t work, yo Using the jumpers The canonical way to flash the BIOS via hardware is to plug, unplug, or switch a jumper on the mot To find the correct jumper you should read the motherboard’s manual. Once you’ve located the correct jumper, switch it (or plug or unplug it, depending from what the m If you don’t have the motherboard’s manual, you’ll have to "brute force" it... trying out all the If after flashing the BIOS, the computer won’t boot when you turn it on, turn it off, and wait som Removing the battery If you can’t find the jumper to flash the BIOS or if such jumper doesn’t exist, you can remove the Important note: in laptop and notebooks you don’t have to remove the computer’s power batteries (w Short-circuiting the chip Another way to clear the CMOS RAM is to reset it by short circuiting two pins of the BIOS chip for Here is a list of EPROM chips that are commonly used in the BIOS industry. You may find similar ch CHIPS P82C206 (square) Short together pins 12 and 32 (the first and the last pins on the bottom edge of the chip) or pins gnd 74 |__________________ 5v 75--| | || || | CHIPS | 1*|| | P82C206 | || || |___________________| || | gnd | 5v 12 32 OPTi F82C206 (rectangular) Short together pins 3 and 26 (third pin from left side and fifth pin from right side on the bottom 80 51 |______________| 81 -| |- 50 || || | OPTi | || | F82C206 | || 100-|________________|-31 || | | 1 || | | 30 3 26 Dallas DS1287, DS1287A Benchmarq bp3287MT, bq3287AMT The Dallas DS1287 and DS1287A, and the compatible Benchmarq bp3287MT and bq3287AMT chips have a bu CMOS RAM can be cleared on the 1287A and 3287AMT chips by shorting pins 12 and 21. The 1287 (and 3287MT) differ from the 1287A in that the CMOS RAM can’t be cleared. If there is a p __________ 1 -| * U |- 24 5v 2 -| |- 23 3 -| |- 22 4 -| |- 21 RCL (RAM Clear) 5 -| |- 20 6 -| |- 19 7 -| |- 18 8 -| |- 17 9 -| |- 16 10 -| |- 15 11 -| |- 14 gnd 12 -|__________|- 13 NOTE: Although these are 24-pin chips, the Dallas chips may be missing 5 pins, these are unused pins. Most chips have unused pins, though usually they are still present. Dallas DS12885S Benchmarq bq3258S Hitachi HD146818AP Samsung KS82C6818A This is a rectangular 24-pin DIP chip, usually in a socket. The number on the chip should end in 6 Although this chip is pin-compatible with the Dallas 1287/1287A, there is no built-in battery. Short together pins 12 and 24. 5v 24 20 13 |___________|____________________| || | DALLAS | |> | | DS12885S | || |__________________________________| || 1 12 gnd Motorola MC146818AP Short pins 12 and 24. These are the pins on diagonally opposite corners - lower left and upper rig __________ 1 -| * U |- 24 5v 2 -| |- 23 3 -| |- 22 4 -| |- 21 5 -| |- 20 6 -| |- 19 7 -| |- 18 8 -| |- 17 9 -| |- 16 10 -| |- 15 11 -| |- 14 gnd 12 -|__________|- 13 Replacing the chip If nothing works, you could replace the existing BIOS chip with a new one you can buy from your sp Important Whether is the method you use, when you flash the BIOS not only the password, but also all the oth Also, when you boot Windows, it may happen that it finds some new device, because of the new confi Key Disk for Toshiba laptops Some Toshiba notebooks allow to bypass BIOS by inserting a "key-disk" in the floppy disk drive whi Key protected cases A final note about those old computers (up to 486 and early Pentiums) protected with a key that pr This is a demo version of txt2pdf PRO v.9.2 Developed by SANFACE Software http://www.sanface.com/ Available at http://www.sanface.com/txt2pdfPRO.html ..."

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