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No. I am a different person, although we talked about this topic in another forum already. Unfortunately nobody knows here (in the U.S.) this obviously rare ROM card.

Does someone know this pretty nice ROM extension, which lets you use a parallel port ZIP drive for booting (e.g. a different operating system) ? I found an early article about it: https://brianlivingston.com/windowmanager/archive/cgi-bin/new/livingst/bl060997.htm Also, with the help of...

So I would be interested in the card too, and no, I'm not interested in changing the design (if software exists which is working, it doesn't matter for me/it's fine for me). But the software support is essential. If there is no software driver publicly available, it will not make any sense to...

Unfortunately it's not working (utility which is included in "5x86c2.zip"), instead, as a last advice, for Cx486DX2 (and licensed, similar ST and TI processor), it is working with "ctchip34.zip", can be downloaded here: https://ftp.gwdg.de/pub/magazine/ct/ctsi/ctchip34.zip (it's a software from...

Chuck, you're 100% right, but my main problem was getting an utility program to enable or disable a feature of the CPU (Cyrix, ST, TI variants of the Cx486DX CPU), because the mainboard I was using got no Level 2 Cache (no SRAM Cache on the board itself, even no sockets for the SRAM). So my idea...

What a pity, nobody answered. But I've found a utility program here: https://www.dosreloaded.de/Software/simtelnet/dos/sysutl/5x86c2.zip It's not exclusively for the Cyrix Cx486DX2, but works for it, too.

Is a ST Microelectronics 486DX2 technically a Cx486DX2 CPU ? And if yes, what (DOS) utility can I use to enable the WB Cache ?

I have a Baby-AT sized (P)PGA (Socket 370) mainboard, it's one of the first of its kind. That means I can only use Mendocino Celeron 300 to 533 MHz CPUs (with 2 volts Vcore). Are there any other options I did not have discovered yet? Would like to use a Celeron 533A (Coppermine) CPU, because of...

Enlightment brings the following announcement: https://lists.debian.org/debian-devel-announce/2016/05/msg00001.html ... that means all MX Linux/antiX 386 versions newer than version 15.01 (or in other words, beginning from 16.0) will not run with these first, old Pentium processors.

Testing with QEMU and the "-cpu" option, I was NOT able to run any _386 version of antiX with "-cpu pentium", but the older MX 14.3 non PAE version runs...

Update. I compared the technical specs of many (vintage) power supplies. I also searched for the power consumption number of a Compact Flash card. CF cards with lower capacity will not exceed max. 800mA, higher capacity around max. 1A, but typical is 200mA. I guess 150W is not too bad for a...

Someone recommended this version for my Pentium system, he told me it "must be a non-PAE" version. If the *_386.iso files with the higher version number would be exactly the same as "non-PAE", this would help a lot - but I do not know if this is true or not. As far as I remember compiler options...

Hi, I am desperately looking for an older Linux Antix version 14.4, filename is MX-14.4-non-pae.iso ( originally downloadable from https://downloads.sourceforge.net/MX-14.4-non-pae.iso - but not existing anymore ). The current SF page for older versions...

According to https://en.wikipedia.org/wiki/List_of_CPU_power_dissipation_figures a Pentium 200 takes 15,5 watts and a Pentium MMX 200 takes 15,7 watts, not a really big difference.

I have no choice to replace the IBM XT style power supply with a more modern "generic" power supply, the case of the power supply is very special, think about the red on-off switch. Well, I just have to try it out, I can start just with the motherboard (with CPU) and nothing else, measuring the...

I was wondering how "big" a power supply must be to deliver enough power to a defined constellation of hardware. That means: A motherboard, a CPU ( must be ;-) ), a common/usual amount of memory (RAM), a floppy drive (3.5" or 5.25"), a Compact Flash card as an IDE HDD. I am asking that...

The memory consumption differences between later MS-DOS Versions (later = 3.30 or higher) are not too big: See http://www.z80.eu/blog/index.php?entry=entry210807-180000

Meanwhile I do not own this PC1640 anymore, but the small board for getting higher CPU frequencies looked like the "PC-Sprint" board from Doug Severson. Yes, I know, PC-Sprint is for 8088, but I am sure an accelerator board for 8086 instead of 8088 would be very similar (except for the data lines).

The old Watchguard Fireboxes (Firebox FB10, FB100) uses well known PC mainboards like ASUS P55TP4N. The successor of the first Fireboxes, Watchguard Firebox FB II and FB III are using the same technology, but smaller, not well known PC mainboards. Transforming the FB 10 and FB100 Boxes into a...

Curious about the card (the name of the chip seems to be CH375, but I didn't found anything useful about the card, except http://www.wch.cn/products/PC80X86.html ) and if it's working with any USB thumb drive.