IBM 5150 - RAM refreshing

[modem7]

I decided to better understand the dynamic RAM refresh circuitry on the IBM 5150 motherboard.
I documented that at [here], not only for others, but for myself (when dementure starts kicking in).

I expect that the IBM 5160 motherboard is pretty much the same.

 

[Hugo Holden]

I decided to better understand the dynamic RAM refresh circuitry on the IBM 5150 motherboard.
I documented that at [here], not only for others, but for myself (when dementure starts kicking in).

I expect that the IBM 5160 motherboard is pretty much the same.

Wow, thank you for that effort and detail, that is a great resource.

 

[chris_nh]

Thanks modem7! I enjoyed reading

 

[modem7]

I have added a couple of new sections to the end.