3 ms·Ah. I did RPG on a system 33, a precursor to the AS 400.by wglb 3y agoAh. I did RPG on a system 33, a precursor to the AS 400.ngcc_hk 3y ago32, 34 or 36? or 38 which is very different and the real R system that leads to as/400 or I … s/33?wglb 3y agoSorry, good point. It was a 34.