8 Apr
2021
8 Apr
'21
8:02 a.m.
On Thu, 8 Apr 2021, Ed Bradford wrote:
Does anyone recall how much RAM memory could be put on
the first IBM
PC's? That was probably a major problem.
As I recall the earliest models supported 16-64K onboard, with later
models supporting 64-256K. The 1981 firmware was, IIRC, limited to 544K
(changed to 640K in 1982).
-uso.