Looking back 80's and 90's
TRS-80 model 100 was 80C85(CMOS version of intel 8085) based notebook computer with 2.4Mhz clock speed. Max Ram capacity was 32k as rest of the 64k memory space was used up with BASIC interpreter, Text processor and Telcom plus two database applications (Schedule and Address)
There is a dedicated site for this machine and its sibblings called club 100. However, the site is dormant after passing of the site owner. Recently most of the interesting activities are happening in
BitChin100
The Original Laptop Computer . . . 1983