On Aug 4, 2010, at 12:48 PM, Austin Leeds wrote:
In the meantime, my school's G5 DUAL (found out its not a liquid- cooled quad) is having some heat issues. Hmm…
We've touched on this before, the term "dual" for G5 is ambiguous. The problem is that there a two types of "dual" G5's. One has a single "dual core" CPU, while the other has two "single core" CPUs. Both are being referred to as "dual". Another problem is that there are air- cooled "duals" and liquid-cooled "duals" depending upon date of manufacture. The only liquid-cooled are the "late 2005" G5's with PCI- e slots. All the earlier G5's that have either PCIx or normal PCI slots are air-cooled. The "quad" is actually a "dual dual", and is the only 2.5GHz G5. The ambiguity comes in the 2.0 & 2.3 GHz duals. The earlier versions all have two CPUs and air-cooling; the later ones have one dual-core CPU and liquid-cooling. At least there are only two combinations rather than the possible four, but it's still ambiguous talking about 2.0 or 2.3 GHz "dual" G5 PowerMacs.
The fact the your school's G5 is having heat issues would likely indicate that it IS liquid-cooled. Several list members have posted that liquid-cooled G5 tend to corrode when they are turned off daily, which is something schools usually do. I'd avoid any liquid-cooled G5 myself unless you know it's been left running 24/7 for most if its life, or you're getting a killer deal and are prepared for the worst when the coolant starts leaking.
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