McRetro.net

Gravis Ultrasound MAX Rev 1.8 Demo

Nix McRetro // 16th November 2012 // IBM PC, YouTube

The Gravis Ultrasound MAX, GUS or GUX as I’ve become to know him. Quite a long card, I might have trouble finding a PC to physically install him into. I hope it doesn’t come to that as it is a spectacular looking card with more red than a racing fire... Continue reading

Amstrad Sega Mega PC HD Failure and Windows 3.11 Sound Demo

Nix McRetro // 15th November 2012 // IBM PC, Sega, YouTube

While trying to install MS-DOS 6.22 and Windows 3.11, the hard drive decided to short the machine. I tried another power supply thinking it was simply that, and what happened? Plumes of smoke rising from the machine! After pulling the machine apart I found that a tantalum capacitor on the... Continue reading

Amstrad Sega Mega PC AdLib Sound Issues Repaired

Nix McRetro // 15th November 2012 // IBM PC, Repairs, Sega

I’ve been having issues with getting any sound from the PC side of my Mega PC. At first, I thought it might be because I have no idea what drivers to use. However, because it is AdLib based, as in original AdLib sound card it should just work out of... Continue reading

Amstrad Sega Mega PC - Activating PC Only Mode

Nix McRetro // 13th November 2012 // IBM PC, Sega, YouTube

This is a quick video on how to override the Mega Drive ISA card for PC only mode. By doing this you can troubleshoot issues on the PC side with access to the entire motherboard. I am fairly sure I’ve covered this previously in a post but without the accompanying... Continue reading

Apple Macintosh LC 475 VRAM Mismatch

Nix McRetro // 12th November 2012 // Apple, Hacks, Repairs

Ever wonder what happens when you pair a 256KB VRAM chip with a 512KB VRAM chip? They say it should never be done… and they have a good reason for it not to be done. It makes the display look like junk! Lines running everywhere, the display doesn’t update well... Continue reading