Re: What retro activity did you get up to today?

Posted on Yesterday, 10:42

by

by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Upgraded my Asus 1011px with an SSD recently. With an Atom N570 and 2GB RAM it can actually play 720p Youtube videos without skips, though maximizing-minimizing them is still a struggle. I could have sworn that a couple years back I could barely run 480p ones. Maybe someone at Google actually …

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Re: What retro activity did you get up to today?

Posted on Yesterday, 08:04

by

by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Back in day, i was running Visual Studio 2008 on a Atom N270. Later, i ran a laptop with Atom N550 for quite some time with reasonable success. Only thing, that's really too much for it, is today's browser engines. They are not really suited for those CPUs. Though, there are other browsers running …

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Re: Faulty S3 805 VLB video card

Posted on 2021-02-18, 10:07

by

by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What i've found is that the signal on those cards is very low. When i disconnected the 6 diodes near VGA connector, the picture became a lot brighter. But i have no solution for v/h sync signals. I had a LCD, that had also trouble recognizing that there is a proper picture and i blame the low signal …

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Re: FastDoom. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2021-02-17, 09:38

by

by GigAHerZ

in Release Announcements

in Release Announcements

https://youtu.be/b2B8PnDj-DI Here is a little update of what i'm currently developing for FastDoom. Text video modes rendering at 80x25 and 80x50 (and maybe more hidden modes such as 132x44) with 16 colors. It's missing all menus / intermissions / text messages and HUD but rendering is done nearly …

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Re: Network Programming

Posted on 2021-02-16, 10:51

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by GigAHerZ

in Milliways

in Milliways

Mr. Brutmann with mTCP stack might be helpful. It works on top of packet driver and provides TCP/IP stack. And of course, it's a modern approach to do this.

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Re: Bought these (retro) hardware today

Posted on 2021-02-10, 10:05

by

by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

@Intel486dx33, if that's the case, i can always replace the caps and diodes. 😉

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Re: Bought these (retro) hardware today

Posted on 2021-02-10, 09:02

by

by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Got some stuff from local auctions. Then a very curious 386 motherboard with cache and 72pin memory! :o 15€ 70208225.jpg Now that's a motherboard. If you need assistance with the board, let us know. Currently fixing my Jetway/J-Mark OPTI-495SX 3/486WB board that suffered corrosion and trace damages …

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Re: Bought these (retro) hardware today

Posted on 2021-02-09, 21:15

by

by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Got some stuff from local auctions. Got a Opti 82C925 based sound card for around 5€. 70209936.jpg Then a PCI S3Trio64V+ with lots of memory expansion sockets. 11€ 70208933.jpg Then a very curious 386 motherboard with cache and 72pin memory! :o 15€ 70208225.jpg And a basis for my "higher-end" …

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Re: 486 SX 16 & 20 MHz

Posted on 2021-02-05, 08:10

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by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Just as a 2 cent comment, in Estonia, i've seen pretty common 486SX2-50 machines with 128kB of cache and VLB video and io cards. So in some circumstances, these things happen. 😜

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Re: 486 Build pointers

Posted on 2021-01-19, 08:58

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by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Negative 5V is usually irrelevant in terms of capacity, while it is required for some older add-on boards. Some older sound cards and what-not require it. But in terms of current, it's pretty irrelevant.

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Re: Partitions limited to 504MB

Posted on 2021-01-16, 15:39

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by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It's the bios that has such ~500MB limit. Fat16 has 2GB partition limit. You need either drive overlay software (EzDrive, OnTrack) or XT-IDE bios extension on a EEPROM installed into your computer with ethernet card for example. The fact, that bios configuration software can support the values for …

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Re: Am386 DX 40 benchmark results

Posted on 2021-01-15, 14:46

by

by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Post your 386 Speedsys results here

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Re: Looking for Windows 95 PCI Gigabit 1000Mbps ethernet card.

Posted on 2021-01-14, 09:45

by

by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

In the end, the NICs are cheap enough that you might as well try both 100Mbps an 1000Mbps and determine for yourself how fast they are in relative and absolute terms . Please let us know if you do run those tests . I haven't found a cheap gigabit NIC that works with Win95 yet. I'm only willing to …

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Re: What retro activity did you get up to today?

Posted on 2021-01-14, 09:18

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by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Used CTCHIP to try to sqeeze out every last bit of my 386DX40 with a M321 motherboard by going through every bit in chipset registries together with datasheet. Unfortunately, there's nothing i can tune up more. Only thing left to try is to maybe put some kind of 85-90MHz crystal in place of 80MHz …

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Re: Help to identify: MULTIPRO VII-386DXV (UR INFINITY) [Searching for UM82C862 IO Controller Chip!]

Posted on 2021-01-12, 18:15

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by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Deksor wrote on 2021-01-12, 16:03: Well I guess you could always try to sacrifice a I/O card with that chip to replace it, it's up to you. Or maybe there are pin compatible chips ? Who knows ? I wish i had an IO card with that chip. All my io cards are with Prime 2C chips and i have bunch of them …

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Re: Help to identify: MULTIPRO VII-386DXV (UR INFINITY) [Searching for UM82C862 IO Controller Chip!]

Posted on 2021-01-12, 10:58

by

by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

A small update to the whole saga. With ISA Super IO controller card, the machine works perfectly. I have installed DOS 6.22, Windows for Workgroup 3.11 on it as software and i have ESS ES1869F sound card and 3COM 3C509B network card on it too fully working. So unless i stumble upon this chip …

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Re: Help to identify: MULTIPRO VII-386DXV (UR INFINITY)

Posted on 2021-01-09, 14:20

by

by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

So! After removing the DIP chip on the picture, the io chip and dip above the removed one still went hot. Then i removed the other DIP chip, yet the io chip still went hot. Then i removed the io chip (accidentally slightly melting the dip switches below) and now the board boots! So i've found the …

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Re: Help to identify: MULTIPRO VII-386DXV (UR INFINITY)

Posted on 2021-01-08, 18:19

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by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Unless there are any good ideas to check anything more i'll try to find time during the weekend to unsolder the io controller chip and/or the chip right by it, which go very hot when board is turned on. IO controller related stuff should not be required parts to make the board work, while it may be …

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Re: Bought these (retro) hardware today

Posted on 2021-01-07, 19:23

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by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Bought those new NiMH batteries for old motherboards to replace old and leaky NiCd batteries.

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Re: Bought these (retro) hardware today

Posted on 2021-01-07, 16:50

by

by GigAHerZ

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Ugh! MR BIOS! Please dump the rom! That was literally the first thing I did after removing the evil varta. Here it goes, the dump of my rom (27c512): Mr_bios_octek_hippo_DCA2_2.zip Is there any use besides recovering another identical MB ? As much as i've understood MR BIOS universe, then this bios …

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