联想笔记本系列清除BIOS密码四种方法

文章摘要：1.85v Off Off On On On1.90v On Off On On On1.95v Off On On On On2.00v On On On On OnVcore_det Jumper Setting (SW6)Sw6 Pos#3FC-PGA Processor OnMicro-PGA2 Processor OffLogo Selection Setting (SW6)Logo Selection Pos#1 Pos#2No Logo Off OffReserved On OffReserved Off OnReserved On OnBIOS Selection Settin

联想笔记本系列清除BIOS密码四种方法,标签：学习园地,http://www.88dzw.com
　　1.85v Off Off On On On
　　1.90v On Off On On On
　　1.95v Off On On On On
　　2.00v On On On On On

　　Vcore_det Jumper Setting (SW6)
　　Sw6 Pos#3
　　FC-PGA Processor On
　　Micro-PGA2 Processor Off

　　Logo Selection Setting (SW6)
　　Logo Selection Pos#1 Pos#2
　　No Logo Off Off
　　Reserved On Off
　　Reserved Off On
　　Reserved On On

　　BIOS Selection Setting (SW6)
　　Machine model Pos#3
　　A450 Off
　　A430 On

　　Keyboard Type Selection Setting (SW6)
　　Keyboard Type Pos#4 Pos#5
　　US Off Off
　　Japan On Off
　　Reserved Off On
　　UK On On

　　Password Override (CMOS/RTC Data) Jumper Setting (SW6)
　　SW6 Pos#6
　　RTC Battery Normal Off
　　Clear (RTC) DATA On

　　Before doing password override, take off AC adapter and battery first.

　　Password Override ( CMOS / RTC Data ) Jumper Setting ( SW5 )
　　Password Override Pos#4
　　Password Normal OFF
　　Clear Password ON

　　i Before doing password override, take off AC adapter and battery first.

　　Main Board ID Select ( SW5 )
　　Main Board ID Pos #5 POS #6
　　PCMCIA USE INTA# OFF OFF
　　RESERVE OFF ON
　　PCMCIA USE INTB# ON OFF
　　RESERVE ON ON

　　CD-ROM Master / Slave Select ( SW5 )
　　CD-ROM Pos #7
　　RESERVE OFF
　　RESERVE ON

　　i Pos # 8 is N/A Pin for reserve

　　L510
　　：打开键盘可以看到BIOS电池，拔掉BIOS电源线，即可。Please find the switch on Mianboard near printer connecter & audio DJ
　　connecter, mover the switch 1 to ON, then will by pass BIOS checking.
　　510 硬盘密码的问题，出于安全考虑，如果忘了，就要换硬盘,所以，务必要求客户牢记密码。

　　V80：

　　V31
　　Jumper Settings
　　This section provides a jumper setting lists of configuring the notebook.

　　Switch 1
　　Keyboard Type Select
　　K/B Type Pos #2 POS #3
　　US KEYBOARD OFF OFF
　　RESERVE OFF ON
　　JP KEYBOARD ON OFF
　　UK KEYBOARD ON ON

　　DVDSEL
　　Logo Pos #1
　　Select CD-ROM OFF
　　Select DVD ON

　　Password Override ( CMOS / RTC Data ) Jumper Setting
　　Password Override Pos#4
　　RTC Battery Normal OFF
　　Clear (RTC) DATA ON

　　i Before doing password override, take off AC adapter and battery first.

　　V32
　　将sw3的pin2 打到on就可以了，不过这个sw3比较难找，它的位置在主板的pc卡槽的里面，在modem卡下面，基本上放一下电和换块主板差不多。

　　E100
　　拔除CMOS电池。

　　K31/21
　　Keyboard Type Select
　　K/B Type Pin #2 Pin #3
　　US KEYBOARD OFF OFF
　　RESERVE OFF ON
　　JP KEYBOARD ON OFF
　　UK(GR) KEYBOARD ON ON

　　Password Override ( CMOS / RTC Data ) Jumper Setting
　　Password Override Pin #4
　　RTC Battery Normal OFF
　　Clear (RTC) DATA ON

　　Before doing password override, take off AC adapter and battery first.

　　CD-ROM Master / Slave Select
　　CD-ROM Pin #6
　　Master OFF
　　Slave ON

　　Pin # 1 & # 5 are N/A Pin for reserve
　　Y810如何清pwd
　　键盘接口处有跳线，将SW1拨到8即可clear bios pwd
　　S180如何清pwd
　　SW1 4
　　Password Normal OFF
　　Clear Password ON
　　Y520 BIOS 密码清除

　　To switch "SW1","1-->ON", we CAN by pass the password checking.
　　(beside audio DJ control panel FPC connecter)

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