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What can i do to my LC 475?
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Registered User
Join Date: Oct 1999
Status:
Offline
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I have an old LC 475, but i want to upgrade it to make it so it actually is more usable, i know most of you would say it is a waste of time, but i still want to fix it up, so what can i do and how much would it cost?
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People aren't as dumb as you think. Wait, what was I thinking, 90% of the world uses WINDOWS!
You don't like Macs? Good, more for me.
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Grizzled Veteran
Join Date: Nov 1999
Location: Techno City (Detroit)
Status:
Offline
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Someone OC'd an LC 475 to over 125MHz... using a water cooling system.
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<A HREF="http://www.macnet2.com/cgi-bin/Ultimate.cgi" TARGET=_blank> 
MacNet v2 Forums</A>
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Registered User
Join Date: Oct 1999
Status:
Offline
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Holy $hit! Now exactly how much would this water cooling system cost? 
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People aren't as dumb as you think. Wait, what was I thinking, 90% of the world uses WINDOWS!
You don't like Macs? Good, more for me.
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Registered User
Join Date: Oct 1999
Status:
Offline
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Just bringing up this old topic again. Does anyone know if the motherboard in the LC 475 can be replaced with a better one?
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People aren't as dumb as you think. Wait, what was I thinking, 90% of the world uses WINDOWS!
You don't like Macs? Good, more for me.
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dabradda
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an lc 475 is the top of the line for that case design. i think it's the same as a quadra 605. even if it wasn't, the performance couldn't be that different.
dabradda
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bluefire 529
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The biggest improvement that can be done to these machines is add a 601 daughter card in the PDS slot. Apple and Daystar had these back in the day, but they have since disappeared and are very difficult to find.
The easiest way to boost the speed on these machines is to add a small clock-chipper. I got one from Sonnet a while back. It clips onto the clock chip and brought the system bus to 33MHz and the processor doubled that internally to 66MHz. Wow...that used to sound like a lot of cycles!
The other thing you could look into is replace the LC chip with a straight 68040. The LC chip disabled the math co-processor (much like the SX flavor 486 chips). With a straight '40 chip, rendering and several other programs were able to be run without software patches that were a bit unstable. http://www.micromac.com/products/fpus.html
I did both of these on a 476 I still have and found a heat sink (from a quad 950, I believe) to add the the replacement processor and never had a problem. Of course, with the heat sink, the cover could not be used.
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