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Re: Challenge: Install W95 with only a HDD

When I'm installing Windows 95/98, I always copy the setup files to the HDD first and then run SETUP from there. I feel like the installation goes faster this way. As a bonus, in the future Windows usually won't bother to ask you to insert the Windows CD-ROM every time it finds new hardware to …

Re: Mystery chip on Trident PCI graphic card

in Marvin \ Video
Or a pencil eraser. Fixed dozens of cards this way. :) Just don't erase the PCB traces or gold-plated contacts! :) I once made the mistake of trying to "fix" some corroded gold card edge contacts using sandpaper. Oops. It did a great job at removing the corrosion... along with all the gold …

Re: What is your unconscious motive for retro hardware ?

in Milliways
For me, my first PC experiences were on a late-era 286 with VGA and soon after that a 386 Compaq. So I've been really interested in the dawn of the PC: the old IBM machines that kicked everything off, along with the myriad XT and turbo XT clones. Since I never experienced that era myself. A lot of …

Re: (S)VGA 256-color shift and Chain 4

in PC Emulation
The CL-GD542x technical reference manual doesn't mention anything like that - whereas it does specifically call out a few situations where certain bits are either ignored or take priority. Here's what it has to say about GR05 bit 6 (256-color mode): Bit 6 (256-color Mode): If this bit is programmed …

Re: CRT monitor whine; what causes it, ways to mitigate it, do some display types suffer from it more than others?

Yep, CGA hsync is 15.7khz and that is identical to what a standard television uses. You could try using an MDA monitor instead if you want to stick to something that's appropriate for the era: the hsync frequency is 18.4khz and could be just high enough to be inaudible for you and the kids. I find …

Re: pls help to identify this VGA/EGA graphics card

in Marvin \ Video
As mkarcher says, it's probably an early CGA/EGA/VGA card with (some amount of) hardware emulation for CGA/EGA. The only unusual chip on the card (aside from the custom VTCL chip) is an LM339 quad differential comparator, which is probably used to convert the analogue RAMDAC output into the digital …

Re: 486 SX 16 & 20 MHz

Majority of DOS software only transfers 16bit at once when writing to VGA and also some of the most popular VL-Bus controllers, such as the omnipresent CL-GD542x series only had 16bit host interface anyway. So the 32bit nature of the bus is wasted unless using 32bit writes (likely GUI work). Even …

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