Nice score

I did not want to drop the $300 bucks for a sonnet CPU in my QS, so I opted for a Dual 1Ghz daughter card+heatsink for $34.00 purchased separately ($12DC & 22HS) on ebay. I agree that part of the fun is hunting down the good deals. FWIW, my QS came to me as a low spec'd single 733Mhz production date July 2001 (983rd that week). When I installed the "new" dual 1Ghz cpu, Tiger recognized L3 right away (Leopard does as well). These guys gave me the same warning & is certainly a thing, but I (luckily) have not experienced the disabled/unrecognized L3 glitch with this QS.
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Thanks for the SATA controller link Dez. I went ahead and picked one up. Let's see if it actually works

For the record, I have had a helluva time finding a Sata controller that wasn't stupid expensive (like sonnet cpu territory) & met its claims & actually worked in my QS lol, so the linked $15 card is exciting news.
Anyhow, have fun, man. QuickSilvers kick ass & are a blast & easy to work on. By Far my favorite PPC mac I own, use regularly if not almost daily & these guys (as has already been demonstrated) are beyond knowledgeable about PPC in general.