multiple monitors in XP SP2, setup baffling, is it 'doable'? (BIOS pic posted)



hi guys,

can't figure this out. I have a vaio PCV-RX830 desktop running XP home SP2 with onboard SiS video, hooked to the original sony 17 inch LCD (which works just fine, and which I'd like to have stay the primary monitor, with the XP menus, etc).

I've installed a big ol' Dell/Sony 21 inch flat trinnie CRT as my 2nd monitor, along with an AGP video card to feed it, updated the drivers for the card, and updated the BIOS for the vaio, but still the -original- LCD display acts as if it 'gets no signal' (it never 'wakes up' OR shows an image, and doesn't appear in device manager, either). somehow the XP desktop 'moved over' to my 'secondary' 21 inch CRT of its own accord, and the LCD stays in a coma, totally.

I've 'looked through' the BIOS settings ... I'm not sure about:

does installing an AGP video card 'by default' DISable the original 'onboard intel/SIS video' (which is hooked to the LCD)? if it DOES do that, is there a 'workaround' for it? *please* see the good, clear BIOS image I've posted at

http://img.photobucket.com/albums/v723/hardwares/bios_vaio.jpg

the newly installed AGP card is an 'ATI rage pro turbo AGP' if it matters...slots on the vaio, from the top down, are AGP, then PCI with a SCSI card in it (rarely used), then an 'available' slot, then the bottom PCI slot (with a modem in it, which I've -never- ever used).

1. does it appear (from my BIOS image) that I can change the way the AGP/PCI bus loading order (to make both monitors "light up")?
2. how?

3. does the BIOS screen "PCI config" slot 1 IRQ *ALSO* control the AGP slot 'load order' somehow? the image I've posted shows changes I 'could' make (but haven't yet).

if it helps (like a true card-carrying nerd, give me a hug ;-), I have about 40 or 50 more spare video cards - they're all old 'single head', about 1997 and older vintage, none of 'em are dual heads, and about 98 percent of 'em are PCI vidcards...

does 'slot 1 PCI' in the BIOS "also" control the AGP slot? like they're 'shared' or something?

what to do next, guys? toolie is a wittle bit baffled...

thanks :-)

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replies by e-mail, if any, should please remove the weirdstuff from my address before you click 'send' - thanks :-)
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