NOTE: There is NO cost for this software - it is freely available. Please see EULA below, printed copy will ship with your chips. You are paying for the cost of programming and 3 (EPROM) chips.
3 Chip Upgrade Set: REV. L-7 Software CPU / PLUS U2 and U3 SOUND TO REV. L-3
Please note: Only U2 and U3 need to be changed to update to L-3 sound - ALL OTHER CHIPS ARE IDENTICAL to L-1!
Free shipping USA only.