Quick'n dirty translation of the jumper section:
MTec AT-500 Interface15
IV jumper settings
There are some jumpers on the board of the interface,
with the following purposes:
Kick 1.2/1.3 kickstart switching between versions:
KickStart 1.2 = Jumper inserted
KickStart 1.3 = Jumper not mounted
KickStart 2.0 = Jumper not mounted
MEM 1 (MEM), MEM 2 (DTK)
Memory card present / not present:
Memory Card missing = both jumpers inserted
Memory card present = both jumpers not mounted
LED: pins for signal lamp (LED)