In previous blogs I mentioned an AMC processor card (Trenton MCP6792) that we were building using the Penryn SFF processors (Intel® CoreTM 2 Duo) and the Mobile Intel® GS45 Express chipset.  We released the board last week and the performance benchmarks for this little puppy are quite impressive.  In terms of processing performance per watt and circuit board real estate, the performance delivered in this Montevina-based design is quite impressive.  Anyway, here are the numbers so you be the judge:


Power Requirements [with 4GB of system memory delivered by two DDR3 SO-DIMMS (PC3-8500)]

Typical Values - Idle State

CPU Speed      Model Number            +12V               +3.3V

 2.26GHz             SP9300                   1.17A              150mA

 1.2GHz               SU9300                   1.45A              150mA


Typical Values - 100\% CPU Stress State                    

CPU Speed      Model Number            +12V               +3.3V

 2.26GHz         SP9300                       2.70A              150mA

 1.2GHz           SU9300                       1.98A              150mA


There is a weird thing going on with the 1.2GHz processor in the idle state that we need to figure out.  It could be a testing error because this number should be less than that of the higher power 2.26GHz processor.  In our AMC processor card design, the various voltage levels needed on the card are derived from the incoming +12V delivered by the system power supply of the MicroTCA chassis.  The +3.3V is the Management Power in the uTCA/ATCA world, so there isn't a lot of drain on this particular voltage by the AMC processor card.  The thermal performance for these two processors operating on the AMC processor card is very good.  Both CPUs operating on different versions of the AMC stay well within the 30W to 40W range prescribed for single-width, full-size and single width, mid-size AdvancedMC processor cards.  We would recommend using the Intel® CoreTM 2 Duo Processor SU9300 for single-width/mid-size AMC applications.



We found that the benchmark performance results for the Trenton MCP6792 AMCs were on par and in some cases out performed the previous versions of dual-core, single processor boards.  Benchmarks always need to be taken with a grain of salt, but here are the results of the SiSoft Sandra benchmark test results for the AMC as compared to the previous generation dual-core processors on one of our PICMG 1.3 SHBs:




Here's the same benchmark data in a tabular format:



Application Heads-Up

Now for a change of pace.  We started work a few months ago on an embedded motherboard based on the Nehalem-EP processors and the Tylersburg chipset.  Trenton and the Intel® Embedded and Communications Group will present a joint webinar on Thursday, April 16th at 2PM EDT / 11AM PDT to discuss Trenton's upcoming server motherboard product using the new Intel® Xeon® 5500 processor series.  This one-hour webinar will offer a preview of Trenton's motherboard design and discuss applications that will benefit from this product.  I hope you have some time to attend this webinar and if so here is the link to register:

Trenton Server Motherboard Webinar. 



Jim Renehan
Trenton Technology