笔记本密码芯片所在的位置

sjtv

我们知道有的笔记本的BIOS密码并不是存储在BIOS里面，而是存放在EEPROM的芯片里，即使BIOS没电，密码依然存在于EEPROM芯片里，EEPROM芯片在没电状态下密码可以保存10年以上，所以需要一个EEPROM编程器（电子设备）把它读出来来重新得到密码.

   Acer 630: eeprom 93c56
   Compaq M700: eeprom 24C02
   Dell Inspirion 7500: eeprom 24c164
   Dell Inspirion 8100: eeprom 24c02
   Dell Latitude C600: eeprom 24c02, password in scan code at 0x00, 0x10 and 0x90
   Dell Latitude CPI: eeprom 24c02, password in scan code at 0x00, 0x10, 0x80
   IBM Thinkpad X20: eeprom 24RFC08CN, password in scan code at 0x338
   IBM TP 380Z: eeprom 24c01, password in scan code at 0x38 and 0x40
   IBM TP 390: eeprom 24c03 (be carrefull, there are two eeprom)
   IBM TP 560X: eeprom 24c01, password in scan code at 0x38 and 0x40
   IBM TP 570: eeprom ?, password in scan code at 0x338 and 0x3B8.
   IBM TP 755CX,760C,765D: eeprom 93c46, password in scan code at 0x38 and 0x40
   IBM TP 770:  eeprom 24c01
   IBM TP 600E, T21, T23: 14 PIN 24RF08
   IBM TP T20: 24RF08, password in scan code at 0x338 and 0x3B8
   HP Omnibook 2100,4150,7150: eeprom AT24c164, 0x6D-0x7F area, unknow algo
                            put a 00 at 0x7F to clear admin password
   HP Omnibook 6000: eeprom 24c08 or 24c164 0x50-0xBF area
                  (maybe 0x50-0x6F only), unknow algo
   HP Omnibook 6100: eeprom 24c08
   HP Omnibook XE3: eeprom 24c16
   HP Omnibook 770x: eeprom 24c01
   Sony pcg-fx950: eeprom 93c46 ?
   Toshiba 74600C: eeprom 93c56