🚀 go-pugleaf

Find an 8-bit VGA adapter and install that. Or even install an old CGA
adapter, CGA monitors seem to be quite common in scrap heaps - and you may
even find a working one! :-)

--
Robert Hancock      Saskatoon, SK, Canada
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Joachim Maes <Joachim.NOSPAM@dma.be> wrote in message
news:7i6pbm$ab5$1@news3.Belgium.EU.net...
> I have to recover the files on a harddisk in an old XT with blownup EGA
> Monitor.
> His screen can not be repaired and  I don't have a spare EGA Monitor.
> The PC just gives the annoying beep (no monitor present) and stops
booting.
> This makes it impossible to recover the files via laplink.
> (Disconnecting the hard disk is not possible, 'coz it has a giant
controller
> board that can't handle todays clockfrequencies.)
>
> My idea was to fool the necessary lines on the EGA Connector, so that the
> booting proces continues and I can recover the files of the old PC; but I
> can't find any sources describing which pins the motherboard checks for
> presence of a monitor. I was not able to verify the state of the
> videoadapter.
>
> Does somebody know which pins are checked by the boot-up routine to check
> for a monitor ?
> And can they be fooled ?
>
> The other alternative is to build an EGA-VGA Convertor (EGA Connector ->
Vga
> Connector)
> I'm not sure this is a healthy thing to do for my VGA monitor....
> So, does anyone has a shematic of a EGA-VGA Convertor ?  Is it possible to
> do without any damage ?
>
> I Would be very happy if someone had a solution for my problem.
> Joachim Maes
> (Remove Nospam to reply)
>
>