公开(公告)号：US5867715A

公开(公告)日：1999-02-02

申请号：US735203

申请日：1996-10-21

申请人： Wen-chung Lin ,  Chih-ping Huang ,  Hsan-yueh Fang

发明人： Wen-chung Lin ,  Chih-ping Huang ,  Hsan-yueh Fang

IPC分类号： G05F1/575 ,  G06F1/26

CPC分类号： G05F1/575

摘要： An apparatus for programmably converting the operating voltage of a CPU & chipset by means of the firmware programmably setting the operating voltage, instead of by means of adjusting jumpers, is disclosed. The apparatus includes an address decoder unit, a programmable data memory, a DC to DC converter and a feedback resistance switching circuit. In operation, the computer inputs an address signal and a data signal required for changing the operating voltage to the address decoder unit. After being decoded, the data is written into the programmable data memory. Then the programmable data memory outputs a selection signal to change the internal resistance of the feedback resistance switching circuit, thereby to convert the output voltage of the DC to DC converter.

摘要翻译： 公开了一种可编程地通过可编程地设置工作电压的固件来转换CPU和芯片组的工作电压的装置，而不是借助于调整跳线。 该装置包括地址解码器单元，可编程数据存储器，DC-DC转换器和反馈电阻切换电路。 在操作中，计算机向地址解码器单元输入将操作电压改变所需的地址信号和数据信号。 解码后，将数据写入可编程数据存储器。 然后可编程数据存储器输出选择信号以改变反馈电阻切换电路的内部电阻，从而转换DC至DC转换器的输出电压。

公开(公告)号：US5845111A

公开(公告)日：1998-12-01

申请号：US742629

申请日：1996-11-01

申请人： Wen-chung Lin ,  Chih-ping Huang ,  Hsan-yueh Fang

发明人： Wen-chung Lin ,  Chih-ping Huang ,  Hsan-yueh Fang

IPC分类号： G06F1/08

CPC分类号： G06F1/08

摘要： An apparatus and method for switching the operating frequency of a computer host board by setting on a screen of the computer is disclosed. The apparatus and method use a frequency selection controller, instead of a switch or jumper selector used in a conventional apparatus and method, to control a frequency doubling factor required for the CPU and system chip set and a frequency selection signal output to a frequency generator. The switching operating frequency method is accomplished by manually activating the system to enable the system firmware to set a frequency doubling factor and an operating frequency when the system is powered up, outputting an address signal including the frequency and a frequency to be switched by a data/address bus after the system firmware sets the frequency doubling factor and the operating frequency, and decoding the address signal and locking the frequency data, whereby to change the frequency doubling factor output to the CPU and chip set and a frequency selection signal output to a frequency generator.

摘要翻译： 公开了一种通过在计算机的屏幕上设置来切换计算机主机板的工作频率的装置和方法。 该装置和方法使用频率选择控制器来代替常规装置和方法中使用的开关或跳线选择器来控制CPU和系统芯片组所需的倍频系数以及输出到频率发生器的频率选择信号。 切换操作频率方法是通过手动激活系统来实现的，以使系统固件能够在系统上电时设置频率倍增因子和工作频率，输出包括频率的地址信号和要通过数据切换的频率 /地址总线，系统固件设置倍频因子和工作频率，解码地址信号并锁定频率数据，从而将倍频系数输出改变为CPU和芯片组，并将频率选择信号输出到 频率发生器