- /// A bit mask of 64 possible GPIs that can generate an SMI. Bit 0 corresponds to logical \r
- /// GPI[0], 1 corresponds to logical GPI[1], and so on.\r
+ /// A number from one of 2^64 possible GPIs that can generate an SMI. A\r
+ /// 0 corresponds to logical GPI[0]; 1 corresponds to logical GPI[1]; and\r
+ /// GpiNum of N corresponds to GPI[N], where N can span from 0 to 2^64-1.\r