The function is remaining, you just don't have 8 bars anymore. I think you don't even have to save anymore, if I'm not mistaking. Just make a two bar pattern, double the length and you should be good.
Korg Gear: Electribe ES-1 MKII, Electribe 2
Korg Gear I had: Electribe MX & ES-1, Kaoss Pad 2
Other stuff: Ableton Live 8, SP-303, M-Audio Mixtrack Pro, M-Audio M-Track