I wrote: >> Nope. NewerTech upgrades are especially picky about RAM because Newer never >> fully understood the purpose and proper use of the bus speed bit. Apple >> didn't tell them how to use it since they weren't paying for the >> information, so Newer had to guess, and they repeatedly guessed wrong.
Then Jeff wrote: > Do you mean the Clock ID pins, pins 15 - 17 of the CPU card? These > are used to signal Hammerhead the speed range of the CPU card so that > Hammerhead or the firmware (a little hazy on the details) can adjust > the bus timings for the speed of the CPU card. Then I forgot about this thread for a few days. If I remember correctly, there's a thin connection, but it's even thinner than you might think. Newer's premise with those clock pin ID switches was valid, but their misunderstanding of the bus speed bit undermined their intent. The upshot is that some switch settings (can't recall which, but it's in the KnowledgeBase, which I really need to finish editing) make the situation better or worse, but none is an absolute fix. If they'd understood the bus speed bit correctly, more (all?) of those switch settings would have worked (bearing the S900's bus speed pickiness in mind...). Having lunch with my best ex-Umax/now-Apple buddy tomorrow, who may remember a few more details.... -Kennedy SuperMac Insider (http://home.earthlink.net/~supermac_insider/) -- SuperMacs is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | Service & Replacement Parts [EMAIL PROTECTED] | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> SuperMacs list info: <http://lowendmac.com/supermacs/list.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/supermacs%40mail.maclaunch.com/> --------------------------------------------------------------- >The Think Different Store http://www.ThinkDifferentStore.com ---------------------------------------------------------------
