Re: Quad boot with a Pentium 4 2.8 GHz (DOS / Win 95 / Win 98SE / Win XP) - Dealing with failures to launch Windows setu

Posted on 2024-02-25, 12:01

by

by MERCURY127

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Out of curiosity, I did the same on my 250GB Windows 98 system and it reported no such similar errors. Not sure if the 1TB drive is triggering more issues? here is MANY problems appears when original 9x/me used with newest machines. please use RLoew patches http://lonecrusader.x10host.com/rloew/ …

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Re: Stripping PharLaps DOS extender from executable

Posted on 2024-02-02, 08:54

by

by MERCURY127

in DOS

in DOS

PharLap's executables is ordinal 32 bit PE files, header starts on 6680h. just select PE loader in IDA when open file for disasm.

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Re: Recommended boot manager for quad boot from single drive (DOS / Win 95 / Win 98SE / Win XP)

Posted on 2024-02-02, 08:41

by

by MERCURY127

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

https://en.wikipedia.org/wiki/Ranish_Partition_Manager i use it many years, with DOS/9x/nt/Linux multiboot. use as boot manager in 512 byte mode only, not as part manager 😁 even make own tiny patch, for using with nt6+ oses. if you have interest, i can attach both original and patched version here. …

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Re: Installing IDE driver under DOS

Posted on 2023-10-16, 08:06

by

by MERCURY127

in DOS

in DOS

here is all Jack's drivers: http://optimizr.dyndns.org/dos/drivers.html

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My fixes of "Error 200" problem...

Posted on 2023-10-14, 12:13

by

by MERCURY127

in DOS

in DOS

binary patches for programs, compiled in Borland/Turbo Pascal 7.x 1. fix Error 200 and remove small 109 ms program start delay: find 8E 06 ?? ?? BF 6C 00 26 8A 1D 26 3A 1D 74 FB 26 8A 1D B8 E4 FF 99 repl EB 23 ... 2. make Delay(up to 65432 ms) work as intended on "any IBM PC/AT or PS/2 compatible" ( …

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Re: How relevant is SSE context switching for DOS?

Posted on 2023-07-16, 10:51

by

by MERCURY127

in DOS

in DOS

I'm not sure how relevant SSE context switching would be for DOS, as I don't think DOS has the concept of threads compared to Windows, but I wonder if things like TSRs or INT handlers can be considered as such... i can not imagime tsr/int/irq handler for dos, which want use sse or avx by any reason …

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Re: EMS memory management when less than 64kB is available for frame page

Posted on 2023-07-16, 10:42

by

by MERCURY127

in DOS

in DOS

are you try NOEMS switch?

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Re: Limit DOS RAM memory (XMSDSK / HimemX / JemmEx), DOS RAM size limit

Posted on 2023-06-14, 06:54

by

by MERCURY127

in DOS

in DOS

zyzzle wrote on 2023-06-14, 02:49: Yes, very interested, please post ok, previously post updated.

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Re: Limit DOS RAM memory (XMSDSK / HimemX / JemmEx), DOS RAM size limit

Posted on 2023-06-13, 09:24

by

by MERCURY127

in DOS

in DOS

at 2008, i begin make LIMEM - little patches for XMGR (another opensource HIMEM, with some redudance features) with user-selectable XMS limitation in 1,2,4...4096 MiB range (by two power). i do it for bypass win98 512 MiB problem (win3.x also have likely problems). after this, i lost my sources... …

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Re: DOS 7 IO.SYS File Format and possibility to remove included logo.sys and other data to reduce file size

Posted on 2023-01-02, 08:52

by

by MERCURY127

in DOS

in DOS

Please clarify, if possible. Is "LZDOS" merely a pre-packed and distributed version of the "MS-DOS 8" compressed .exe which is already included in the IOPAK8 archive given in the link above? LZ-DOS *IS* cutted ordinal MS-DOS 7.10 io.sys, with replaced text strings, and alien command.com (from pc- …

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Re: DOS 7 IO.SYS File Format and possibility to remove included logo.sys and other data to reduce file size

Posted on 2023-01-01, 16:49

by

by MERCURY127

in DOS

in DOS

you can place any 7+ io.sys (even w/o logo/confmgr cutting) beside p.bat, and run bat. ofcourse, if you dont cut logo/confmgr, you get bigger result file. you even can make compressed ms/dr dos (6+/7+) "io.sys" (manually concatenated dos7 header+dos6 io+ dos6 msdos, before compression!), and get 46- …

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Re: DOS 7 IO.SYS File Format and possibility to remove included logo.sys and other data to reduce file size

Posted on 2022-12-16, 18:07

by

by MERCURY127

in DOS

in DOS

Hello! :) I have been registered here for a long time, but had forgotten about this site. I happened to see this thread and decided to look it up. The main goal of IOPAK was not just to compress IO.SYS, but to allow the execution of any user code BEFORE running IO.SYS. Since the project was …

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Re: PCEm. Another PC emulator.

Posted on 2019-10-25, 15:07

by

by MERCURY127

in PC Emulation

in PC Emulation

hello. 😀 i not understand, where i can download rom files for run PCEM? /EDIT On the Internet, not on VOGONS

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Re: ethflop - a network-backed floppy emulator for DOS

Posted on 2019-10-09, 12:15

by

by MERCURY127

in Release Announcements

in Release Announcements

mateusz.viste wrote: ethflopd (the Linux daemon) why not used usual TFTP protocol at server side? for TFTP is MANY servers exist, not linux only...

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Re: Rudolph Loew apparently passed away in September 2019

Posted on 2019-09-26, 11:39

by

by MERCURY127

in Milliways

in Milliways

there must be only ONE place for Rudolph's products collection. we sholdnt make many different and incomplete storages... assuming, that Webarchive is enough good and stable site, i think, that this link will good choice for all: https://archive.org/search.php?query=creator%3A%22Rudolph+R.+Loew%22 …

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Re: Rudolph Loew apparently passed away in September 2019

Posted on 2019-09-20, 20:46

by

by MERCURY127

in Milliways

in Milliways

Rest in peace, Rudolph... 🙁

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Re: Video bios(vBIOS) rom size research project for pure DOS, because there is smaller better.. Add our info.

Posted on 2018-11-12, 06:41

by

by MERCURY127

in Marvin \ Video

in Marvin \ Video

Falcosoft wrote: Case study Geforce GTX 960: The whole firmware size of this card is rather huge: 176 KB. i think, u get broken image. full image must be 128 or 256 KiB... 😕

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Re: SetMul - Multiplier control for VIA C3 / AMD K6 Mobile / Cyrix 5x86

Posted on 2018-11-11, 18:05

by

by MERCURY127

in Release Announcements

in Release Announcements

realoldguy23 wrote: I have an issue on my Pentium Pro build: try my attacments. me interesting, can it help or no...

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Re: SetMul - Multiplier control for VIA C3 / AMD K6 Mobile / Cyrix 5x86

Posted on 2018-11-11, 18:03

by

by MERCURY127

in Release Announcements

in Release Announcements

i tested SetMul on I7 3770 - it WORK, i write about this here year ago. but DONT USE cwsdpmi other than r5 00 and 02 year. only these bulds really work w/o problems on 386, p3 and i7. all other versions cwsdpmi is buggy. i attach proper (tested by me) versions.

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Re: Video bios(vBIOS) rom size research project for pure DOS, because there is smaller better.. Add our info.

Posted on 2018-11-11, 15:05

by

by MERCURY127

in Marvin \ Video

in Marvin \ Video

I think, we have no chance to slipstreaming newer bioses. Even for oldest videocards 90x years its impossible. These is too complex devices for modify.

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