联想笔记本系列清除BIOS密码四种方法

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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
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　　V21
　　CPU跳线

　　K6系列
　　This section provides an easy step in doing system upgrades for your notebook computer.

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

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

　　Logo Select
　　Logo Pos #3
　　RESERVE OFF
　　RESERVE 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.

　　Main Board ID Select
　　Main Board ID Pos #5
　　RESERVE OFF
　　RESERVE ON

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

　　i Pos # 8 is N/A Pin for reserve

　　S60
　　CHKPW
　　DISABLE ENABLE
　　SW1-3 ON OFF

　　V71:
　　1：MODEM卡下面两焊点

　　K70：
　　Jumper Settings
　　This section provides a jumper setting lists of configuring the notebook.

　　Figure 2-5 Switch 5 Jumper Setting

　　Keyboard Type Select ( SW5 )
　　K/B Type Pos #1 POS #2
　　US KEYBOARD OFF OFF
　　RESERVE OFF ON
　　JP KEYBOARD ON OFF
　　UK KEYBOARD ON ON

　　Logo Select ( SW5 )
　　Logo Pos #3
　　RESERVE OFF
　　RESERVE ON

　　69系列
　　Jumper Settings
　　This section provides a jumper setting lists of configuring the notebook. The jumper switches are near the memory socket. To access the jumper switches, you may refer to section 2.3.3 for procedures on how to access memory socket.

　　For CPU with SpeedStep (Geyserville) technology
　　Pos#1 Pos#2 Pos#3 Pos#4 Pos#5 Pos#6
　　PIII 600 / 500MHz
　　SW4 On On On On Off On
　　SW5 Off On Off Off NC NC
　　PIII 650 / 500MHz
　　SW4 On On On On Off On
　　SW5 Off On Off Off NC NC

　　For CPU without SpeedStep (Geyserville) technology
　　Pos#1 Pos#2 Pos#3 Pos#4 Pos#5 Pos#6
　　PIII 450MHz
　　SW4 On Off Off Off Off Off
　　SW5 On On On Off NC NC
　　PIII 500MHz
　　SW4 On Off Off Off Off Off
　　SW5 On On On Off NC NC
　　Celeron 450MHz
　　SW4 On Off Off Off Off Off
　　SW5 On On On Off NC NC
　　Celeron 500MHz
　　SW4 On Off Off Off Off Off
　　SW5 On On On Off NC NC

　　CPU Core Voltage Jumper Setting
　　Low VoltageHigh Voltage SW5-#1SW4-#2 SW5-#2SW4-#3 SW5-#3SW4-#4 SW5-#4SW4-#5 SW4-#1SW4-#6
　　0.00v Off Off Off Off On
　　1.30v On Off Off Off On
　　1.35v Off On Off Off On
　　1.40v On On Off Off On
　　1.45v Off Off On Off On
　　1.50v On Off On Off On
　　1.55v Off On On Off On
　　1.60v On On On Off On
　　1.65v Off Off Off On On
　　1.70v On Off Off On On
　　1.75v Off On Off On On
　　1.80v On On Off On On

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