Yeah you’d never guess they created the punchcard system used to categorise prisoners at Auschwitz. I’m immensely curious as to what the stats on that thing would be like if they made one today.
I’m pretty sure that vibration issues could be overcome based on gyros and flywheels that operate within tighter requiremens and higher RPMs.
However, as a practical matter, I think that you’re pretty much right, that it is not worth the expense of solving these issues.
Ah-hah — but you see, I skilfully wrote the title so that it was the largest TEARDOWN, not necessarily the largest HARD DRIVE! The motivation behind smaller drives was to be able to spin them faster, yet minimize the gyroscopic effect. One big thing that allowed them to get smaller was the invention of the rotary actuator with linear actuator performance.
Right after the Winchester sealed design came out, and while I was still at IBM, I got a wild hair and tried to convince the San Jose engineers to try something that wasn’t probably a very good idea.
3340 (Winchester) was flying around ~20 U” the attraction force will wear out the oxide coating quickly. FWIW, as problematic as that was at the time I consider leaving IBM to be the biggest blunder of my life. What this Aussie showed in the tape is the first generation of 3390 using particulate media. The next generation employed a low grade thin film (coercivity was ~300 Oe) that increased the linear density by 3X over brown disc). Sorry about coming in so late to this, but there’s a few other things you might note regarding this device.

In addition, each actuator had 15 heads for data, while the 16th head was for a servo-track which provided location information for data positioning.
You mentioned the price of these devices at about $250,000, but that isn’t quite accurate. With its latest generation chipset, the ultra-compact PCTV HD mini Stick delivers high-quality digital HDTV and the integrated signal booster improves reception sensitivity. PCTV HD mini Stick is an ultra-compact, USB-powered TV tuner that’s the perfect match for super-slim laptops. This diminutive combination allows you to take control of all of your digital TV choices from a distance in comfort.  A high-gain telescopic antenna is included, too. Asians have moved along, far along, and given you technologies you only assume to understand? The integrated signal booster improves reception sensitivity even if the signal isn’t strong. Record the game, grab your favorite sitcom episodes or catch the late-night thriller – PCTV HD mini Stick makes it happen.
No problem - use TVCenter software to timeshift, record and program all your favorite shows. The included TVCenter software also offers features like timeshifting, direct-to-DVD recording or scheduled recordings to your hard drive without any quality loss.
ATSC, the new digital broadcast standard, is now available in many areas of the United States. Unencrypted digital TV (ClearQAM) can be received with a standard cable TV connection at no additional fees. Will the next Secret American Military Armed Drone brought down in Iran (Asian Technologies) convince you that they have advanced electronics?

3390 hard drive development engrs mostly got their pink slips in the fall of 1993 during its 1st ever layoff. The included TVCenter software turns your PC into a full-fledged Personal Video Recorder (PVR) that lets you timeshift and record TV shows. If you watch through the entire teardown, you will see that the hard drive’s only silicon chip is a tiny chip that acts as a signal amplifier.
Will the signals, or force fields, or geostatic powers come from the Chinese Space Station(s), You know, the one(s) they ride to and from on their own technologies? Reproduction in whole or in part in any form or medium without express written permission of Ziff Davis, LLC. You can enjoy TV in full-screen mode or in a scalable window while using other applications. In regions or rooms where the signal is not strong, an amplified rooftop antenna will be required. One IBM 3390 model was capable of storing up to six drives, for a total capacity of 22.7GB. It’s amazing how hard drives were one of the most recent advances in non-volatile storage, and yet the fundamental technology has remained almost unchanged for 40 or 50 years.

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