>> I recently dug out my old old PowerCenter 132 as I found a Newer Tech >> MaxPowr 225 accelerator card that fits it. >> >> After some guidance on dip switch settings I have the thing installed >> and the machine boots just fine. >> >> Now I have a couple of questions. First, system profiler now says the >> CPU is a 604e @ 241 MHz. Is that correct? I thought the card was a G3. >> Shows my lack of Mac knowledge. ;) >> ---------- >> The MaxPowr 225 *IS* a 604e card, so that could be an accurate >> reading, Mike. The card's highest setting is 60 MHz bus x 4 = 240 >> MHz....but I haven't been able to find the specific documentation of >> those switch settings, either.
Oh. Ok then that would explain the claim of it being a 604e then. :)
What I am curious about is that everymac says the PowerCenter is a
44MHz bus machine. How does the daughtercard get 60MHZ then?
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Processor daughtercard sets bus speed; motherboard architecture determines how high a bus speed it will tolerate. The 604/132 uses 44 MHz bus and 3x multiplier, but the motherboard will tolerate much higher settings. PCC's Catalyst-based boards (PowerCurve and PowerCenter/Pro) are famous for accepting 60 MHz (or higher!) bus speeds.
>> ASP is notoriously inaccurate with third-party processors, though. Go >> to pure-mac.com and download NewerTech's Gauge Pro utility - it tends >> to be much more accurate. >> >> You're one lucky camper. I've been beating the bushes for a 60 MHz >> bus 604e card, to put into my PowerCenter MT.
Lucky huh?
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You bet. Power Computing's 604e/240 systems were the equal (or better, IMHO) of any other Power Mac of their day. The only possible exception would be the 350 MHz Mach V 9600 and I think it would probably be a neck-and-neck race in most functions, especially if your 240 has a full 1 MB cache.
>> Second question. I set the DIP switches (all 4 up) per the suggestion >> of another list. What I would like to know is what does each setting on >> the DIP do? >> ---------- >> They're for setting the bus speed and ratio - evidently all four >> switches up sets 60 MHz bus and 4x multiplier; can't say precisely >> which switches set which functions.
It seems this is some sooper sekrit data as nobody seems to have the
manual archived anywhere. :/
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Sooper dooper sekrit, I'm afraid :-(
But hey, you already have the MaxPowr running at its highest setting - so do a little dance!
>> Last question. Do I need to reset the CUDA switch? >> ---------- >> Not if your PowerCenter already booted up for you.
Nifty.
Thanks for all the info. ---------- Enjoy.
Pax, -- Gene, a.k.a. G-Man Friends don�t let friends do Windows
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