gameshark board revision 1220 serial connection with headers on back?

has anyone poked around with the pin headers on the back of this particular revision of gameshark? i have a non pro that i mailed into datel to have updated to v2.0 and they removed the smart card reader that was attached to the back. does anyone know if they did this to use the 4 pin header at the top for programming?

also in opening my gameshark pro v3.0 it has the same hardware revision numbers and all the chip numbers match between the two. is it possible to upgrade my non pro gameshark with pro firmware since they both use the same hardware internally?

submitted by /u/b4wii
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