be629673_ovember___Oldskooler_Ramblings__The_Good
[Feature] Initially limited to 128KB [The Bad] Because of memory-mapped video, any decent PCjr graphics mode with two video pages meant there was no memory left for programs [The Ugly] 128KB machine was only fully usable via BASIC, since BASIC was in ROM and didn’t take up system RAM. Memory expansion sidecars were required to approach rudimentary compatibility with most PC programs. [The Good] 
Kept the cost down for consumers
2008 November « Oldskooler Ramblings
The Good