Questions tagged [floppy-drive]
Floppy drives and accessing floppy disks from historical computers, ranging from 8″ down to 3.25″ and other non-standard sizes.
4
questions
29
votes
4answers
1k views
Absolute maximum number of nibbles on an Apple II floppy disk track?
The Apple 2's disk drive controller and 5¼" floppy disks have the following metrics:
The disks is spun at (roughly) 300 RPM (Revolutions per Minute), which means it takes = 1000 ms/sec / (300 RPM / ...
8
votes
2answers
213 views
How much control of TRS-80 Model III disk drives was possible from its Cassette (ROM) BASIC?
How much control over the TRS-80 Model III's floppy drive controller can be effected via relatively simple commands, typed into its built-in Cassette BASIC?
My understanding is that general usage of ...
12
votes
4answers
3k views
Is there any way today to recover/dump 2M disks?
2M disks where formatted using 2MGUI to increase 3"1/2 & 5"1/4 DD/HD/ED disks' capacity.
Is there any way today to recover/dump these disks to a file with modern hardware? Specially the 5"1/4 ...
4
votes
2answers
530 views
How to get into Apple BASIC prompt on an Apple IIc?
I just picked up a used Apple IIc. For some reason all I get when I boot is Check Disk Drive on the screen, even with a bootable disk in the internal drive:
I cannot even get the system to read the ...
