Re: Where can I find an actual HDMI -> RGB SCART converter (not composite)?

Posted on 2020-08-05, 16:23

by

by darry

in Marvin \ Video

in Marvin \ Video

Why not just get something that can output analogue RGB at the proper frequency and required sync and connect it to the proper pins on a SCART shell ?

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Re: I have an Aztech Sound card that I cannot seem to get the drivers working for.

Posted on 2020-08-04, 04:05

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Card is a "NOV16E Sound Galaxy Nova 16 Extra Card Updates - FCC-ID:I38-MMSN811" according to picture and ftp://ftp.aztech.com/SUPPORT/DOWNLOAD/sg/index.txt Drivers are here : ftp://ftp.aztech.com/SUPPORT/DOWNLOAD/sg/NOV16E/ All DOS drivers you need will be installed if you install NOV16E-1 ZIP , …

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Re: Old rusty power supply works, fancy new power supply does not.

Posted on 2020-08-04, 02:57

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello! I've recently starting trying to build a 486, because it's the first computer I had growing up. One thing I wanted was to find a new PSU, because 30 year old power supplies seem. . . risky. I ended up getting one of these: Sparkle SPI-300G Well, today I finally had some time to try and piece …

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Re: DosBox at FULL SPEED - MAXIMUM SPEED. (''LIGHT SPEED'' if possible).

Posted on 2020-08-04, 02:42

by

by darry

in DOSBox General

in DOSBox General

I assume you've read this or something equivalent --> https://www.dosbox.com/wiki/Performance and especially this --> https://www.dosbox.com/wiki/Performance#Emulated_CPU_equivalency The questions are what physical CPU are you using and what emulated CPU speed are you expecting ? EDIT: Have you …

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Re: Something wrong with AT PSU - hissing noise and not powering on

Posted on 2020-08-03, 03:46

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

How about providing the brand and model number of the PSU along with some high resolution photos of its innards ? You may not see anything wrong, but someone with more experience might see something of interest and point you in the right direction . I will likely not be that person (not my field of …

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Re: Budget Isa with windows acceleration

Posted on 2020-08-02, 22:52

by

by darry

in Marvin \ Video

in Marvin \ Video

FPU won't help unless you run a program that actually uses FPU (Windows as such do not). The FPU won't help with GUI acceleration. Sure seems like it does though. I don't think there is conclusive evidence that it does not I would imagine that would depend in part on whether the driver for the card …

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Re: Types of capacitors to recap computer stuff (motherboard and PSU)

Posted on 2020-08-02, 19:20

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Main issue is discussion is going wide and large and this is really grand. Yes, I studied electronics, researched capacitors and was member of a badcaps once. But this forum fell apart and full of spams. And incidentally I liked to get bulk purchases at good price of Samxon but they are no longer …

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Re: Help identifying and troubleshooting old 386 PC

Posted on 2020-08-02, 18:50

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I managed to source a Sound Blaster AWE 32 PnP (CT3670), which I have now successfully installed into the machine. I also wired the PC Speaker sounds from the PC Speaker header on the mobo to the PC Speaker input header on the sound card. All of this is working surprisingly well. The battery issue …

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Re: If you were able to go back say 15-20 years ago what one motherboard would you buy ?

Posted on 2020-08-02, 18:29

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Abit SH6 .. AFAIK only ever made slot-1 i815 An interesting curiosity, most certainly, but the only actual use case I would have seen at the time would have been somebody with a dead slot-1 board wanting to re-use the CPU . EDIT: On a different note and to be clear, I have no regrets per se either, …

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Re: 440BX - BIOS shows 756MB and CPU-Z shows 1 GB: Which is right?

Posted on 2020-08-02, 09:39

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

very few very late 440bx boards had proper AGP/PCI dividers. So if your board doesn't have that, or you don't bother to set it correctly you are effectively overclocking the AGP and PCI bus by running the memory at 133 mhz. poor stability is one thing. Frying expansion cards is another, or frying …

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Re: Windows 98 SE won't recognize my drive as CD-RW

Posted on 2020-08-02, 05:26

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

OKAY. Sorry, I think the problem is with ImgBurn. It's only recognizing my G Drive, which is my virtual DVD-ROM drive. So there's that. My bad. EDIT: I forgot to install ASPI. I'm stupid. This thread is stupid. Please remove. Thank you! I am stupid! No actually that is a common mistake and thanks …

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Re: 440BX - BIOS shows 756MB and CPU-Z shows 1 GB: Which is right?

Posted on 2020-08-02, 05:17

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

[...] The 440BX chipset only supports a max DIMM size of 256MB . Only 256MB will be usable of a 512MB DIMM . CPU-Z will likely report the total capacity of installed DIMMs regardless of what is actually usable . PC 133 512MB SDRAM + PC 256 MB SDRAM x2 should yield up to to 768 MB or as little as …

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Re: ATI Windows 9x DDC/EDID override

Posted on 2020-08-02, 04:08

by

by darry

in Marvin \ Video

in Marvin \ Video

EDIT: 1920x1440 at 60Hz may be possible under single link DVI with custom timings using a reduced blanking interval . I got it working indeed. I had to use Powerstrip to add it, at which point I got an image but it wasn't working right. The NVidia control panel let me get CVT-RB configured though …

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Re: 440BX - BIOS shows 756MB and CPU-Z shows 1 GB: Which is right?

Posted on 2020-08-02, 00:15

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The definite guide to the 440BX and RAM is here : https://web.archive.org/web/20180103032407/ht … ram_bx_faq.html

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Re: 440BX - BIOS shows 756MB and CPU-Z shows 1 GB: Which is right?

Posted on 2020-08-02, 00:12

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hi All, I have an abit BX-6 Rev 2 motherboard. With the following combinations of ram, the BIOS memory test will show 756MB, but when I boot into the OS (Windows 7) and load CPU-Z it shows as 1024MB of RAM. Which one is incorrect? All Memory Masters (eBay seller) PC 133 512MB SDRAM + PC 256 MB …

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Re: Adding usb to an isa machine

Posted on 2020-08-01, 21:16

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The only other methods for getting large files onto the machine appear to be legacy , such as burning cd's or finding and installing a zip drive onto the machine and onto another machine to transfer files via scsi. And or having to shut the machine down and remove cf cards to transfer files then …

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Re: If you were able to go back say 15-20 years ago what one motherboard would you buy ?

Posted on 2020-08-01, 18:15

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Tiido wrote on 2020-08-01, 17:14: I would get all the full ATX Tualatin boards with ISA slot(s) 🤣 This ^^^ . Alternatively, in my case some Asus P3B-F boards with Tualatin PowerLeap adapters .

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Re: Setting up ROLAND MPU-401 and MT-32 - PLEASE HELP!

Posted on 2020-07-31, 23:18

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello all! You guys have been awesome so far. I need help setting up my Roland MPU-401 and MT-32. I’m using a Low-Tech MIF IPC RevB interface card to connect to my retro 486 DOS PC. I’m trying to test the hardware to make sure everything works. The MT-32 passes its “test mode” but when I hook the …

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Re: Technological critique

Posted on 2020-07-31, 23:10

by

by darry

in Milliways

in Milliways

Another grip is the loss of Analog Devices onboard audio ICs. They were good, cheap, and didn't do multichannel audio. Well, maybe not everyone's cup of tea. Now that I think about it, I think MIDI intelligent mode should have waited until the modern era when the sound modules are connected by USB. …

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Re: Best isa gpu?

Posted on 2020-07-30, 14:45

by

by darry

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

AFAIK, OS support by Microsoft for multiple monitors driven by different cards started with Windows 98 and requires PCI or AGP cards . Before that, it's foggy for me . I seem to recall multiple monitor under Windows being possible with specific vendor hardware and software . I do not remember any …

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