>At 19:42 -0800 on 13/01/03, flawed jai wrote: > >>another site alerted me to the fact that if the RAM sticks have 9 chips >>on a stick, that's a "parity" IIfx and a parity motherboard, and sticks >>of that sort should be kept together and labeled 'parity'. those are >>even rarer than the regular IIfx ram by an order of magnitude. > >Got that URL handy? I'm about 99.9% sure that the only Mac ever made that >*required* parity RAM was the specialised DoD-version IIci. They never made a >IIfx with parity checking, though you can certainly use parity chips >in one (it >ignores the parity bit). >-- > >the pickle
The service manual I have here mentions a parity option for the IIfx. You had to order it when buyying the machine, no way to upgrade. The parity chip is about an inch below the FPU; if you can read the words 'NON PARITY', it's missing :) Dirk -- Chaos reigns within. reflect, repent, and reboot. Order shall return. -- Vintage Macs 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> Vintage Macs list info: <http://lowendmac.com/lists/vintagemacs.shtml> The FAQ: <http://macfaq.org/> --> 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/vintage.macs%40mail.maclaunch.com/> Using a Mac? Free email & more at Applelinks! http://www.applelinks.com
