General > General Technical Chat

Hard Disk Storage 1985

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GeorgeOfTheJungle:

--- Quote from: Gyro on July 03, 2018, 06:06:48 pm ---Punched tape was the best!  Human readable, hand editable and repairable. You could see when it was getting in danger of data corruption and create a verifiable backup. Also great fun to spool up again (assuming you hadn't trodden on it in the meantime!).

It brings back many happy memories. :)

--- End quote ---

Yes, the best  :)





Daisy wheel printers were über cool too:



And the IBM Selectric, I have one, a printer (not a typewriter) from the 60's, no videos of that on youtube it seems, one day I should do one.

Gyro:
You could work up to a hell of a speed winding it up. It took ages for the shiny callous on the side of my right index finger to disappear... As I say, unless you happened to be standing on it at the same time!  |O

helius:

--- Quote from: GeorgeOfTheJungle on July 03, 2018, 04:36:08 pm ---After the CDs and CD-Rs came what, magneto-optical drives? Those were pretty unreliable!

--- End quote ---
I was surprised to see MO not mentioned in the episode. When the reporter said Bernoulli had competition from optical media, my mind leapt directly to MO; but they were talking about CD-ROMs! Not only that, but the drive pictured uses a tray and not a caddy. Talk about future shock.

According to wikipedia, CD-ROM was introduced by Denon and Sony in 1984. Magneto-Optical drives were first sold in 1985, so it's a mystery why they are absent from this Computer Chronicles episode.

The first CD-R recorders I've heard of came out in 1992: the Philips CDD-521 and the Sony CDW-900E. They cost from $5,000 to $10,000 at the time. Industry magazines noted that Magneto-Optical was faster and less expensive!


--- Quote from: james_s on July 03, 2018, 05:28:57 pm ---They existed in the 80s but they were far too expensive for the average consumer.
--- End quote ---
The first CD-ROM drive was the Philips CM100. Since this was long before ATAPI, and SCSI was still in a primitive state, it used a proprietary LMSI host connection that was still being used through the mid-1990s. The drive with its interface card cost $1,500 in 1986, which was the equivalent of over $2,000 in 1994 dollars.

Cerebus:

--- Quote from: bd139 on July 03, 2018, 04:05:45 pm ---I am ashamed to say that I don't even own a CD drive or CDs or CD player any more. I got a book with a CD a while back and a friendly forum member with the same one uploaded the CD to dropbox so I could download it.

I'm old enough for 8 inch floppies, cassettes as storage and not quite old enough to have to toggle the boot loader in, thank goodness :)

Agree with grey beard icon

--- End quote ---

Ask and you shall receive:

GeorgeOfTheJungle:
In the vidjeo, that's the same Gary Killdall of CP/M and Digital Research?

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