Two of the Dual CPU daughter cards. Working pulls from a 8500 MP/180 and a MP/200. These will work in almost any of the PPC Macs that used a Daughter card CPU. $21.00 each includes Shipping via USPS priority mail.

And a Sonnet Crescendo 250/512 CPU upgrade card for a 6100AV and it says 7100/8100 adaptor. This was a working pull from a 6100AV machine
$16.00 includes shipping...... PM me if intrested
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May ther Mac be with you