Re: Machine Operating System
The Model B startup was as follows:
BBC Computer 32K
Acorn DFS (or 1770 DFS with appropriate controller and ROM)
BASIC
The B+64 and B+128 changed it to Acorn OS 64K (128K), with Acorn 1770 DFS
The Master series was Acorn Mos (for version 3.20) and MOS for 3.50) and DFS as above - and had a CMOS battery, in the shape of 3x AA batteries.
The Master Compact was:
Acorn Mos
Acorn ADFS
BASIC
Regarding the SD card, look up "Retroclinic".
Biting the hand that feeds IT
