IBM 3090 TCM CPU 

IBM 3090 TCM CPU

IBM 3090 TCM CPU. Part number is 5542823. Looks to be made 30th week of 1987 in the USA. I think that the body is made of alluminum (but it seems to heavy so I'm not sure), and it has gold pins (lots of them). Weighs in at about 4 lbs and measures 5.75" x 5.75" x 1.25". I was assured from the person I bought it from (5 years ago) that it was inoperable. Strickly for the collector.

Sold July 2005 for about $140.00

IBM 3090 TCM CPU
IBM 3090 TCM CPU

IBM 3090 TCM CPU
IBM 3090 TCM CPU

IBM 3090 TCM CPU
IBM 3090 TCM CPU

IBM 3090 TCM CPU
IBM 3090 TCM CPU

IBM 3090 TCM CPU
IBM 3090 TCM CPU

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(C)2005-2008 R.C.Bradlee aka PostcardBob