Re: SSD with winxp and ide adapter

Posted on 2020-09-24, 22:44

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The Serpent Rider wrote on 2020-09-24, 22:37: I thought a ATA133 was selected because it was synchronous with a 32 bit 33Mhz PCI bus It was primary limitation, yes. But nothing outside of RAID could achieve such speed anyway. Yep. Looking at those drives from 2003, they couldn't get past 45MB/s …

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Re: SSD with winxp and ide adapter

Posted on 2020-09-24, 22:26

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I thought a ATA133 was the max ATA speed because it was synchronous with a 32 bit 33Mhz PCI bus. Limited returns running your drive interface faster than your system bus, right? Test system: P5I430TX TITANIUM IB+ with 2003 bios MII-333GP (66 MHz bus) Here's what I got with: Promise 150 PCI sata …

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Re: Using an SD Card for C: Drive

Posted on 2020-09-24, 15:14

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The links you posted look like Sintech clones. I've used a couple the Sintech clones that usually have a chip labeled FC1307A chip. They are most common. My experience with them has been mixed. Pros: Cost effective for > 8GB volumes Most techies have a collection of old small SD cards in a drawer, …

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Re: Using an SD Card for C: Drive

Posted on 2020-09-24, 03:32

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

SD cards with an “Application Performance Class” speed rating should have the best performance profile for retro computing. https://www.sdcard.org/developers/overview/application/index.html But some people have not seen a big advantsge with the A rated cards. https://www.jeffgeerling.com/blog/2019/ …

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Re: ATi Mach32 VLB VGA card, quick test

Posted on 2020-09-23, 21:19

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I ordered a tube of TC524258BZ-80 TOSHIBA 28 PIN ZIP 256Kx4 chips for an old MACH32 Vram card. Hope it works. I've gathered that the ATI 68875 ramdac may be compatible with a TI TLC 34076-135FN -- http://www.tavi.co.uk/ps2pages/ohland/GUP.html I can't find any affordable version of those, but I see …

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Re: PCI Video cards benchmark: Electric Boogaloo Edition

Posted on 2020-09-19, 13:59

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by douglar

in Marvin \ Video

in Marvin \ Video

Keep up the good work!!

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Re: I tested several pci video cards for picture quality in dos games.

Posted on 2020-09-16, 15:26

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Enjoyed reading this thread. My recollection of image quality back in the days of analog output, there were occasional underlying architectural decisions that had a large impact ( Talking to you, Riva 128! ) , but largely the image quality depended on the choice of ramdac and the quality of the low …

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Re: 80386 BIOS image collection

Posted on 2020-09-15, 23:40

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Predator99 wrote on 2020-09-15, 07:26: #70 That's a sharp looking board. I would have loved to own it in 1990. Would have played rail road tycoon like noone's business. Predator99 wrote on 2020-08-12, 08:25: #67 Because too many simm slots never was and never will be a thing!!

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Re: Anyone sold their collections / parts on... any regrets?

Posted on 2020-09-15, 00:41

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have no problem selling stuff to people that want it & use it. I can deal with that a lot better than watching boxes of parts collect dust, year after year, while their capacitors slowly dry out. That's depressing. My XT is probably the second to the last thing that I'll sell, and I'll be sad when …

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Re: Modern graphics on a 486

Posted on 2020-09-12, 03:12

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Can someone please elaborate on why any PCI card, even a GT 610, wouldn't boot in a 486 board? Is the issue with the newer PCI spec that isn't supported by the chipset? Do we know exactly what's causing an issue with newer cards, so we can determine the fastest possible card for each chipset w/o …

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Re: Is this i386 an engineering sample?

Posted on 2020-05-31, 13:36

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Not only is it one of the early buggy 386s, it's an engineering sample too. :) I remember the time I suffered through an extremely long win95 install for evaluation on a 4MB PS/2 model 70 only to get Setup Error B1: Setup has detected an 80386 processor that is not compatible with this version of …

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Re: Fascination with the lowest end hardware from a given class

Posted on 2020-05-23, 14:03

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

When I'm building a really crappy contemporary build, like a thin client with a Kaby Lake Pentium gold processor, integrated graphics and a 64GB un-buffered ssd, it improves my spirits if I imagine what it would have been like if I had the build 30 years ago. Damn! Would have run circles around …

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Re: Expanding Cache to 512KB on a Socket 3 Shuttle 419

Posted on 2020-05-22, 19:13

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thanks for explaining that. What an unfortunate math error on my part.

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Re: Expanding Cache to 512KB on a Socket 3 Shuttle 419

Posted on 2020-05-22, 18:53

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

OK, thanks-- Why do you think they are 256kb chips? I thought the marking and number of pins suggested 512kb chips? And yes, I agree, I think should be able to use a 256kb or 512kb tag chip in a 512KB cache, yet they included the larger socket and the vendors were selling the chips in lots of 5.

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Re: Best DOS video card for 1995 ?

Posted on 2020-05-22, 18:48

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The ViRGE did not exist in 1995. btw, no one had 128 MB PC133 RAM in 1995. That board is way too new for a 1995 build. You are correct about the PC133 . SDRAM didn't start showing up in the market until 1996 and PC133 wasn't really available until the Katmai PentiumIII processors came out in 1999. …

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Expanding Cache to 512KB on a Socket 3 Shuttle 419

Posted on 2020-05-22, 18:03

by

by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Disclaimer: I know this this is a total vanity project. It's not worth the time or money, but back in the day, I always wanted to make out the config, but it was often too expensive or too risky, because I wouldn't want to melt down by primary computer. But when I could do stuff like get 16MB of ram …

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Re: Small capacity SSD PATA/SATA benchmarks

Posted on 2020-05-22, 01:41

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Lack of DMA support for many IDE interfaces under DOS (at least without using UDMA.SYS and friends) means PIO mode is a common bottleneck for most devices . To be representative of actual max device performance, DMA mode would have to be enabled manually where not done automatically. I finally got …

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Re: Rant: please stop linking to "Stason .org" for Total Hardware 1999 (TH99) pages

Posted on 2020-05-21, 20:23

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Searchable by vendor, name, & bios string would be great Would also be great if people could submit new entries for missing boards, bios images for existing boards, drivers for integrated devices, and if we are getting crazy, bench marks.

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Re: MS OS/2 1.3 and CDROM Support problem

Posted on 2020-05-21, 20:15

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Don't you need a BOOTBID.BID file for your drive placed in C:\ or something like that? Been a long time.....

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Re: Board ID help - Intel 42oEX (Aries) PCI 486 - repost

Posted on 2020-05-21, 20:09

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by douglar

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What is the part number in the top right corner by the l2 cache? Looks like a nice board, other than the missing floppy drive header.

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