Compaq Presario 4780 who stole my BIOS?

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Re: Compaq Presario 4780 who stole my BIOS?

Postby SpidersWeb on Tue Feb 07, 2012 12:00 am

haha yeah yesterday I actually thought 'so this is what they meant by plug and pray'.
Somehow I avoided the early PnP issues. Likely because I jumped from 386SX to P75 PCI.
Jumpered was all good with me back then, it just worked, there was no wondering what was going on behind the scenes. Even had IDE and MFM running side by side in one of my machines in the 90's.

Carcenomy - reminds me that I need to look out for some VRAM for mine too, 640x480x24 800x600x16 or 1024x768x8 - weeee bit weak, could've sworn my old P75 did 1024x768 at 16 bit.
Wanted - Dead or Alive - Reward $$$: Compaq Deskpro 8088 / 286 / 386 - IBM RT 6150/6151 parts - AT&T 3B2 parts
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Re: Compaq Presario 4780 who stole my BIOS?

Postby Gibsaw on Tue Feb 07, 2012 11:31 am

SpidersWeb wrote:Another funny (but also annoying) thing I found, was to free up an IRQ I'd disabled COM1 in the BIOS. But then you boot the machine and Windows95 or 98 just find it and turn it back on! Somewhat used to the BIOS being more like "off" rather than using a PnP request to be quiet.

Varies hugely from machine to machine how "off", "off" is.
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Re: Compaq Presario 4780 who stole my BIOS?

Postby Carcenomy on Tue Feb 07, 2012 5:23 pm

SpidersWeb wrote:Carcenomy - reminds me that I need to look out for some VRAM for mine too, 640x480x24 800x600x16 or 1024x768x8 - weeee bit weak, could've sworn my old P75 did 1024x768 at 16 bit.

I've got two pair of modules, I'll try 'em in my 7222 first and if they work you can have the other pair. It'll just be an S3 Trio64 of some flavour, so 1MB VRAM.
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Re: Compaq Presario 4780 who stole my BIOS?

Postby SpidersWeb on Tue Feb 07, 2012 5:57 pm

Oh legend :D
Yeah they're just those typical brown slots.

Think it's a S3Trio64 or 64V2+.
Wanted - Dead or Alive - Reward $$$: Compaq Deskpro 8088 / 286 / 386 - IBM RT 6150/6151 parts - AT&T 3B2 parts
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