Oke thx allot. I will try this card in a older P2 350 mhz pc next time.

Hi, Hoping someone can help me with this little issue. I've got a old Diamond monster 3d card 4 mb , but when I start the demo after installing the drivers i've got red lines on my monitor. See attachment. Is this meaning that the pci card is broken or is it a driver issue? I've tried different …

Ordered a new SD card reader and it works fine now. I can see both partitions in windows 10. Solved.

out of curiosity... What specifications does your dos pc have ? cpu bios mainboard vga fdd etc... Motherbord :Biostar MB8433 UUD Award Bios 486DX4 100 mhz 72 mb RAM 4Gb SD card HDD AWE64 value soundcard S3trio 32 1 mb vga card Dos6.2 & Win3.11 Back in the days this was my main pc from 1995 until …

When I connect the SD to IDE adapter trough an IDE to USB adapter, i can see both partitions. But then i have to open the case of the dos pc and dissamble the thing. So when you connect the SD to IDE and IDE to USB you see both partitions on your Windows 10 machine? Did I understand that right? If …

Yeah I'm wondering if there's something going on with the partition. @konc is right, Windows won't let you manage partitions on removable media. Can you run fdisk on your DOS machine against the card? What does it show? Its a 4 GB card, so I divide it in 2 partitions because of dos limits. When I …

I have indeed a card reader but it refuse to read the card. The message is drive x has to be formatted. Maybe my card reader isn't good. Thx for the reply

I've got a IDE to SD card adapter for my dos pc. And it works perfect. Is it also possible to read and write to the sd card on a Windows10 pc? So I can transfer files from my modern pc to the sd card just by place the sd card in a card reader. Or do I need special software to push this.

I think I solved the problem. First I checked the jumper settings according to the Biostar MB8433 UUD manuel. The jumpers settings are good. Then I checked the BIOS setting, and graving in my memory i reminded that in the past there was a message "EDO DRAM installed" when booting. So I enabled this …

Could this be similar to this ... comment https://www.vogons.org/viewtopic.php?p=1005676#p1005676 ie, try disabling internal CPU cache, and see if it boots from floppy. 486.JPG I disabled internal CPU cache and the PC boots from a dos boot disk. So that's ok. Thanks! But what should be the standard …

I Will check the jumpers soon

What can I do next?

Ringding wrote on 2021-10-02, 13:38: Create an image from the disk and boot it in a VM. How else can you know that the boot disk is working? Checked the boot disk there all good...

@ true story i will check the boot disk right away in a other pc.

I checked the HDD with Microsoft Scandisk and crashed at 98%, I consider to remove the HDD and exchange it with a IDE to SD card solution. Maybe the HDD is mashed up..

Hi, I want to install Msdos 6.22 from floppy't to my old 486dx4 with a 1GB Hdd. But it refuse to boot from the first install disk. I says invalid command.com after the message booting ms dos. When i boot from a w95 boot disk it boots to the prompt a:. Good to know: Before the 486 had a dual boot …