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/  Forum Index
   /  General Technology (No Console Threads)
      /  LumaFix for the C64 (fwd)
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PosterThread
RobertB 
LumaFix for the C64 (fwd)
Posted on 8-Jul-2018 5:11:15
#1 ]
Super Member
Joined: 16-Jun-2006
Posts: 1481
From: Visalia, California

(Ray wants to spread the word on this.)

----------------------- Original Message -----------------------
Subject: LumaFix
From: Ray Carlsen
Date: Fri, July 6, 2018 1:23 pm
----------------------------------------------------------------

I noticed nothing about heat sinks was mentioned in the instructions for installation of a Lumafix module. Running a VIC chip with no sink will destroy it. Notice ALL C64's including the SX have a sink on the VIC. One guy said he installed a Lumafix, and his computer kept shutting down. The VIC was of course overheating after the original metal shield was removed. There are other IC's that need protection, and excessive heat will shorten their lives as well. A few weeks ago I installed Lumafix for a customer in his white case C64C (long board, not a true C short board) and I fabricated and installed a sink for the VIC.

...I put up some info with photos on my website in the C64 directory under Lumafix.

http://personalpages.tds.net/%7Ercarlsen/cbm/c64/LUMAFIX/

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OneTimer1 
Re: LumaFix for the C64 (fwd)
Posted on 8-Jul-2018 15:30:27
#2 ]
Cult Member
Joined: 3-Aug-2015
Posts: 962
From: Unknown

@RobertB

Quote:

Notice ALL C64's including the SX have a sink on the VIC.


No, later C64's had a VIC chip that didn't need a heat sink.

Check out here:

http://www.cbmhardware.de/show.php?r=1&id=25/Die%20Platinen%20des%20C64

Installing a cooler or heat sink on the plastic back of of chip doesn't make sense.

Last edited by OneTimer1 on 08-Jul-2018 at 03:34 PM.
Last edited by OneTimer1 on 08-Jul-2018 at 03:32 PM.

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