标题: 书中192发现有错,PCI的复位点应是A15吧 [打印本页] 作者: luke1975 时间: 2007-7-14 09:39 标题: 书中192发现有错,PCI的复位点应是A15吧 请问VCCA-DAC,VCC-GPIO,各是什么电压,怎么来的,作者: 心在飞翔 时间: 2007-7-14 18:05
是的,应为A15,估计是校对时的错误。作者: luke1975 时间: 2007-7-14 22:09
请问心在飞翔
VCCA-DAC,VCC-GPIO,各是什么电压,怎么来的,作者: 我的一家 时间: 2007-7-15 10:15
VCC-GPIO是VCC3(3.3V)经一个排阻转换过来的,GPIO是PCI与ICH之间进行的通信,所有的GPIO都是来自于ICH,电压是VCC3经排阻转变过来的,作者: 许平涛 时间: 2007-7-22 03:05 标题: VCCA-DAC,VCC-GP 是指什么意思? VCCA-DAC,VCC-GP 是指什么意思?作者: 张先生 时间: 2007-7-22 08:55
VCCA_DAC是显卡数字模拟转换电路的模拟部分电路供电
DAC:数字模拟转换电路
A:模拟
VCC:供电电压
VCCA_DAC. Analog DAC VCC: This is the 1.5 V analog supply for the DAC. Refer to the Intel ...... Chipset Platform Design Guide for the VCCA_DAC filter circuit implementation. Table 41. DAC AC Characteristics. Parameter ...
Since the DAC is an analog circuit, it is sensitive to AC noise seen on its power VCCA_DAC. Additional filtering is needed. The filter has two functions. It protects the analog circuit from external noise through low-pass attenuation ...