« Reply #1 on: July 17, 2017, 03:12:33 PM »
Commodore part number 315093-1 is apparently Kickstart 1.2 chip.
http://cbm-hackers.2304266.n4.nabble.com/C-IC-s-2-td4060705.html Given the label of "anti-virus" it appears to be a breakout card for sideways ROM expansion, to store the anti-virus software (must be nearly 30 years out of date) without an auto booting hard drive.
It's interesting, but in these days of mass storage devices, it's a very clunky way of doing things.
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A1200, Vanilla, Surf Squirrel, SD Card, KS 3.0/3.z, PCMCIA dev
A500, Vanilla, A570, Rev 5, KS 1.2/1.3 Testbench system
Rasp Pi, UAE4ARM, 3D laser scanner, experimental, hoping for AmigaOS4Arm, based on Watterott Fabscan Pi