[K12OSN] Anyone quantified savings using LTSP?

Rob Owens rob.owens at biochemfluidics.com
Wed Feb 6 15:27:35 UTC 2008

Terrell Prudé Jr. wrote:
> James P. Kinney III wrote:
>>> Of course, it's not that hard to come up with donated PCs, so that's a
>>> bigger savings.
>> Old PC's are the way to get the thin client process _started_. The are
>> large, hot, heavy and often come with the old CRT monitor. All power
>> hogs.
> I have to disagree somewhat here.  Old PC's actually don't use much 
> juice at all if you just pull the hard disks (the power cable to the HD 
> is sufficient) and use LCD screens with them.  CRT's are going to suck 
> power whether you hook them up to a new Northtec-style thin client or an 
> old PC. 
> We once got a bunch of donated 15" LCD screens at one school, and they 
> got put into a lab full of Dell OptiPlex GX1's.   Once I flashed the 
> BIOSes to the latest revision (took 5 minutes per box), things went 
> smoothly as wet ice...and saved a nice wad of cash, too.
I recently did some power measurements of various types of computer 
equipment.  I'm attaching an ods spreadsheet, but I'm not sure if the 
list will block it or not.  I found that old P2 or P3 machines used 
about 30 Watts or so (idle) when used as a thin client.


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