pcb(printed circuit board，印刷电路板)
pcba(printed circuit board assembly，印刷电路板装配)
pci: peripheral component interconnect，互连外围设备
pci sig(peripheral component interconnect special interest group，互连外围设备专业组)
post(power on self test，加电自测试)
rng(random number generator，随机数字发生器)
rtc: real time clock(实时时钟)
kbc(keybroad control，键盘控制器)
sap(sideband address port，边带寻址端口)
