Quryous,

If you need more disk space I've still goto a couple of 17.5 mb full height drives that you can have but you'll have to pay the shipping.
Weight = 8 lbs (each) L = 8" x W = 6" x H = 3.25" :~)

Alan

17.5 MB (I assume you didn't mean mb as in millibit or millibar...:O), wow!

By full height I assume you mean a 5.25" drive the size of a CD burner.

I started using that size at 5MB, with drives competing over who could show the worst reliability.

At least they were better than early floppy drives. These went out of alignment whenever you moved the computer they were in, so you couldn't read your own disks and the disks you made suddenly couldn't be read anywhere else....

Before that I used 14" disk drives that held a mindboggling 5 MB, with full backups to a single removable 14" disk. If you removed the front panel on this rackmount drive while smoking, the head would crash from the smoke particles getting sucked in for lack of the air filter in the front panel, and the smoker had to pay for the $15,000+ replacement (in today's money).

My first disk drive was an IBM 2307 that held a full 7 MB in a drive that was the size of an office refrigerator.

Disk drives really have come a long way in capacity, performance, and reliability.

We should be grateful! :O)

I think the guy who made that video was a programmer. My guess is had to create some workarounds to get it to play.

full height isn't a reflection on the 5.25" width, but a pair of 5.25 bays worth of height. If you look back at IBM XT and AT drive bays - the slot size was massive because the floppy or hard disc options were massive. You can have 3.5" full height devices in 3.5" bays or in 5.25" bays with reducer rails.

Check "full height hard disk" on ebay when you get a moment spare - chuckle away to yourself at these mammoths.

Some hard discs even needed to be hand cranked to break the stiction resistance. Seagate were one of the iffy brands back then - but they have become one of the best by this point in time. IMHO. Of course the Winchester drive goes back many years before IBM brought us personal computers that had anything "standard" in dimension.

Yes, as RBartlett said, full height was equivalent to a pair of todays CD/DVD drives stacked on top of each other. (What became known as half height when hard drives first started to reduce in physical size).
And you could get a 1MB memory expansion board that was full length. i.e. it was the depth of the PC from front to back. I think my first one cost in excess of £800.00 sterling.

At least you could boot up a PC in just a few seconds but Win 3.1 took an eternity to load.

Alan

I remember when I had a mammoth 33 MB hard drive that sat on the desk top. It weighed - I do not remember but it was three times the size of a typical scanner.

Anybody remember magnetic drums with fixed heads? The drum itself was about 24 inches high and about 12 inches in diameter. They were not sealed and they took up two full 19 inch standalone equipment racks.

One of the most memorable entries in the maintenance log was the entry "mouse in drum" as the reason why the drum had to be shut down.

Of course, I also remember the excitement of the upgrade to the 256K ferrite core memory. Those tiny little wires that took care of reading writing and bias? would break if the temperature or humidity changed rapidly.

There was also the wire spring memory that could could keep 4096 bits circulating for reading and writing.

These all were an outgrown of the RCA501/601 which in turn was a descendant of BISMAC. All circa 1960.

Sorry, long term memory is all I have left.

RalphM

yes, drums, during the late 60's and early 70's were used for memory paging systems on large systems. At that time, they were viewed as high speed disk access units reserved for system/hardware needs. while "standard" multi-platter disk drives were used for data/program storage. then you had tape drives 800/1600/3200.... for long term mass storage.

The replacement price of the original 360Kb disk drives was, $600.