The Sinclair Spectrum was the more popular 8 bit micro computer, in the UK, mainly due to the Z80 processor and 41 K of user memory as opposed to the C64's 38 K user memory. The C64 was a close in 2nd place, in the UK.
The Spectrum 128 +2 and 128 +3 used the CPM disc operating system, but could only address 8.5 Mbytes of hard drive, if one struggled to hitch one up and created a boot up floppy disc. (The manual explained how to do this, for the technically minded, like me). I hitched up an IBM 10 Mbyte MFM hard disc with a separate power supply. I had to create a boot floppy disc to change the Expanded Disc Parameter Base settings (in the Built In Operating System (BIOS)) in order for the external drive expansion port to set the number of heads, tracks and sectors it was going to encounter. Those were the pioneering days of home computing, back in the 1980's.
Topic: COMMODORE® 64x (Read 265 times)