pm_HiddenSects
pmp->pm_HiddenSects = getulong(b50->bpbHiddenSecs);
pmp->pm_HiddenSects = getushort(b33->bpbHiddenSecs);
pmp->pm_HiddenSects *= BlkPerSec;
pmp->pm_HiddenSects = getulong(b50->bpbHiddenSecs);
pmp->pm_HiddenSects = getushort(b33->bpbHiddenSecs);
pmp->pm_HiddenSects *= tmp;