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Wow, I really screwed up my math somehow. My error. Ah I'll bet I calced it at 50 chars per minute, not second. Or maybe I was thinking an RM80....

I'd have to look in my old Lotus Notes/CC:Mail stuff but I think we got NT 4.0 prerelease running on a 386/33. At some point everyone said "Nope, gotta have Intel's 486 cache commands" and it all went down.

RK drive is actually useful, aside from making amazing sounds it will boot an OS and run it well. High speed paper tape makes a nice woosh woosh sound as it runs the tape from one side and folds it up on the other. But really it does get old quickly and are you really going to copy your RK05...

Nicely done. Good move to just replace all the chips, if one goes bad the rest are probably on the way. So have you got DECNET up and running again?

It's a bargain given that a VHS tape for "Beauty and the Beast" goes for $25,000.... Seriously, I had one. No way it's worth that much. When you have loaded OS8 onto an RK08.RK03 from a box of paper tapes you realize just how pointless it can be.

My blocked filters were black with crud. Easy to spot. I would bet that they would sound different, as instead of airflow in the tub you would have the blades stalling on a partial vacuum.

Tape drive! More to the point you could snap on a module like that which contained an ISA bus slot for an extra device. My guess is there is an ISA tape controller in there and of course the drive. Display is probably a loose/broken wire in the ribbon cable.

Also keep in mind that in NT 4 the hardware concept was abstracted with HALs (Hardware Abstraction Layers). There was a standard PC HAL (the default) and then special ones for things like the 3550 (multi bus multi processor), and the HAL for the SystemPro (with master/slave CPU concepts, like a...

I recall they had full PPE on the floor and such, but still over time there it went. Point being the filters are not handling outside air, only air in the disk tub. Note: Oddly enough RD53s and most other disks also have absolute filters in them which is why I don't worry too much when opening...

As I have said in other threads: Unless the filter is dirty/plugged it's probably fine. I've been running RL01/02's since 1986 or so and the only problem I ever had was with a pair of drives that came from the Solarex plant. They were used on the floor to run the machines to cut silicon solar...

Fun to read all of this NT history. I remember when I came to the IEEE Computer Society in 1994 they had Windows 3.11 and on their workstations and Novell servers/Sparc 10/20 systems. Windows 3 was a nightmare to install properly, and getting a system that was *reliable* required a massive...

Well if they told kids about compound debt then banks would not make money. Likewise all those extra "features" you buy because it's on credit will be seen for how expensive they really are. Can't have that. Technology note so this is not a total junk post: Microsoft wants to sell me "AI"...

Hm. Post the source code and I'll try compiling it this weekend.

Well if it had real serial ports I could use it to replace my Toshiba 660CDT as the system I use to troubleshoot my 30 year old GM Factory Electric truck. The Magnecharger interface is pretty old code and runs best on Windows 95 native....

Hm. I have stored packs vertically, horizontally, diagonally, and in one case used one as a sled for the kids. None have had sag.

Sounds reasonable. It takes a pretty serious shock to damage an RL pack, I have not seen one go bad in my 30+ years due to shocks. Pack in box, no more than 5 to a box with some foam between them and the sides and you should be fine.

I was thinking the same thing: The variable capacitor may just be shot after 40 years. Maybe try cleaning it with Deoxit or somesuch as well.

Oh it's $4,000 *each*? Ok. I was thinking "4k for 4 I guess one could build a pdp8 cluster or something...."

*sigh* I see a lot more value these days for the javascript disable button. Works especially well with the "We see you're using an adblocker" apps that I just don't want to run on my desktop browser. And it's kind of fun to watch youtube try to get around the fact that no, I don't wish to run a...

First of course: Is the belt on the bottom of the drive? Second: the IR light for sectors may be going out. Check it with a phone camera to see if it is lit and as bright as the other one.