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Results tagged with disk-drive
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user 340
For questions about computer disk drives for removable magnetic storage media.
14
votes
Accepted
How reliable is the floppy content listing information on a C64?
When a file is loaded, the drive will read the starting block indicated in the directory entry; if the first byte of a read block is non-zero, it will output the last 254 bytes and then read the block …
- 39.2k
11
votes
Accepted
In the RL02 disk system, why does the “read” command take CHS coordinates, when there is als...
The "normal" read and write commands will wait until it sees the header for the appropriate sector and then read or write the following data record. If the head isn't already in the right place, the …
- 39.2k
0
votes
Accepted
How to set up a (physical) parallel port so that it connects to a Zip drive? (emulated Windo...
Ironically, using an antique computer is often the fastest way to interface with antique hardware; even when a modern computer can be made to work, it will often be slower.
On a PC running DOS or anci …
- 39.2k
2
votes
Why was the 1541 so slow?
An important thing to recognize is that at any given time the drive can either be communicating with the C64 or receiving data from the drive head. For each 254 bytes of data received during the norm …
- 39.2k
28
votes
Did something like floppy disk jukeboxes for home computers exist in the 70s or 80s? Would t...
There was a product, called I think "Juke Box 5" designed for the Macintosh, which had a hopper on the top that could hold a IIRC about 20 floppies, and was designed to be placed in front of the compu …
- 39.2k
4
votes
Default (as opposed to physical) read/write heads - what are they?
Some older computers used to identify 512-byte sectors by specifying a combination of a head number, sector number, and cylinder number. For historical reasons, the head number was often limited to t …
- 39.2k
2
votes
Connecting Iomega Zip (parallel port) to modern PC
The easiest way to "add" a vintage storage device to a modern PC may be to acquire an old PC with which the device can communicate easily and then add a networking adapter that can allow the old PC to …
- 39.2k