This was very common in the early days of the automobile, at least for luxury cars. Bentley or Rolls-Royce would deliver a chassis with the entire drivetrain, and a coachbuilder like Mulliner would add a body to the customer's liking.
I don't see the issue here. Some filesystems store data in several streams, and have been doing so for decades. GNU tar gives warnings about stuff it doesn't know, and which can be ignored without a problem. If you haven't ever seen a different *nix system than Linux, this may be a surprise, but it should be taken as an opportunity to learn something new and move on.
Xenix is the best operating system Microsoft ever shipped, but they gave up on it because there was no way they could use their PC leverage to corner the Unix market.
There was another unix on the Lisa, i'd tell you more but there's literally nothing online about it and the only guy with copies of it hasn't responded to my letter. The company that made it dumped their Lisa unix stuff on him when they went bust because he sold lisa related stuff. Other than that tidbit of info, I haven't found anything online about it
To be fair, the disk images are actually pretty tough to find. There've been a few times where I've spent a while looking for them because I lost the files on my computer and forgot where they were online. And that page isn't indexed on Google, so you really need to know where to look.
An important aspect of this is that MS was under heavy scrutiny at that time for anti-competitive behavior, as the US v Microsoft case [0] was being prepared. If Apple had gone bust, MS would effectively have had a desktop OS monopoly, which wouldn't have looked good in this context.
The most important aspect was Microsoft settling code stealing court case with Apple. It never was Microsoft saved Apple story to begin with, even in 1998
"David Boies, attorney for the DoJ, noted that John Warden, for Microsoft, had omitted to quote part of a handwritten note by Fred Anderson, Apple's CFO, in which Anderson wrote that "the [QuickTime] patent dispute was resolved with cross-licence and significant payment to Apple." The payment was $150 million."
In addition, Amigas had three types of RAM to begin with - Chip Mem (shared between custom chips and CPU), Slow Mem (exclusive to the CPU, still IIRC as slow as Chip Mem) and Fast Mem (exclusive to the CPU and significantly faster).
And just disabling the upper memory in order to be able to use the PCMCIA slot is a really lazy solution. Kinda typical for Commodore, though. 3rd party vendors offered better designs for their memory expansions.
The A1208 is a third party solution, or at least is produced by third party. But yeah, more advanced expansions like TerribleFire sidestep the PCMCIA issue
Around the turn of the millennium I had a Sony Vaio 505TX, which had the same chipset. My machine was running Linux, and I maxed it out to 128MB RAM.
There was a kernel patch for this chipset back then, which treated all memory above the lower 64MB as a RAM disk, which could then be used as swap space.
This prioritized the faster portion of RAM while still having very fast swapping.
Too late to edit - I just saw that the Vaio in fact had the 430TX chipset, not the 430FX. Both were artificially capped at 64MB of fast RAM, as they were late Pentium chipsets, and Intel rather wanted to sell the then-new Pentium II chips and chipsets if you wanted to have more memory.
> Both were artificially capped at 64MB of fast RAM, as they were late Pentium chipsets, and Intel rather wanted to sell the then-new Pentium II chips and chipsets if you wanted to have more memory.
Intel always used ram for market segmentation. First to drop Parity support on all but the high end components. Cacheable ram limits on all but the high end components. Trying to monopolize ram with 1996 Rambus deal. Locking ram/fsb multipliers on all but the high end components. It was one of their go to Enshittification knobs.
In the modern era we'd probably repurpose NUMA support if this issue came up again, so that tasks would prioritize the fast portion of memory but the remainder would be fully usable as RAM (with fewer of the extra copies you'd have from "swap" use).
Disclosure: I have no idea whether this would still work, and I have no way to find out.
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