Maximum refresh rate of the video controller in Hertz.
该视频控制器的以赫兹表示的最大刷新速率。
2
The refresh cycles are usually performed by a peripheral called a DRAM controller.
刷新周期一般由一个叫DRAM控制器的外设完成。
3
It is mainly composed of DMA controller (82c37), interrupt controller (82c59), programmable interval timers (82c54), DRAM refresh control, wait state generator and system reset logic.