[taztheman]

Hi Cartech guru's...

I'm just waiting for my pics to load, however in the quest to make the C4 connect more reliable, it has occurred to me that during a diagnostic, the unit gets VERY hot, I recently purchased 2 spare units via a contact ( many thanks to Marcos for his help & good guidance ! ).

Anyhow, even with the case removed, it's obvious that the LAN card in particular gets hot enough to cause concern for long term survival. Not to do with poor solering, just the CPUs generate heat & it's not removed.

So, I've modified the case, the CPU chips with added heat sinks & then 2 30mmx30mm fans ( one to suck air in ) and one to extract in a cross flow configuration ( hence why the end plate for the LAN card has extra holes drilled in it & I recovered with 2mm rubber foam

Note : If you do this, YOUR Chinese warranty ( for what it's worth ) will DEFINITELY be fooked

This takes time to do, took me 4-5 hours to do fully & you have to fit the back fan last, as this will prevent the PCB card being slid in otherwise...

Result, after 2hrs of use, the air coming out of the fans is WARM - HOT, so this is a lot of heat it's removing from the PCB.

Pics to follow ( total cost of modification is say... £25 inc' fans, plastic grilles, heatsinks & a 28mm hole cutting saw ).

BR

Edit : Pics attached










Power tapping for the 12v DC fans ( each probe is in the spare through pins on PCB )









A little noisy when in use, but I'm happy knowing that this will keep my C4 alive !!

cheers !