> I have two questions. First the mundane one. Would someone please > explain the taxonomy of VRAM SIMMs on the Mac? > > I take it that there are 68 pin VRAM SIMMs and I think from reading > the Developer notes and examining motherboards that the Centris/Q > 610/650/800 all use the same 256K SIMMs as the Q700 and Q900. Which > other machines use them? > > Are these Quadra VRAM SIMMs the same as are used in the 1&2 MB HPV > card on the 7100 and 8100? If so, what happens if you install the > 512 KB VRAM SIMMs which are used on the 2 & 4 MB HPV card in a > Quadra? Are they seen as half their capacity? > > Okay, now the tougher question. I like the Q650 much more than the > Q700 motherboard, except that the Q650 has a 1 MB VRAM capacity and > the Q700 has a 2 MB VRAM capacity. I am looking at installing a > Q650 in a Q700 case. > > Does the Q650/800 (Wombat) motherboard have the ability to address > more than 1 MB of VRAM? I know there aren't sockets available on the > motherboard, but does anyone know if the chips have the ability to > address more? If so, has anyone hacked more VRAM into the Wombat > motherboard? > > Jeff Walther Hi Jeff
I can answer this one . The 512k simms Yes they can be used in the quads. The 512k simms are seen as 256k in the 800. No the 800 mother board can not see more than 1mb even using the 512k simms. Vicki -- Quadlist is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Enter To Win A | -- Canon PowerShot Digital Cameras start at $299 | Free iBook! | Support Low End Mac <http://lowendmac.com/lists/support.html> Quadlist info: <http://lowendmac.com/lists/quadlist.shtml> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/quadlist%40mail.maclaunch.com/> Using a Mac? Free email & more at Applelinks! http://www.applelinks.com
