GEMDOSFS_BSIZE
if (secsize != GEMDOSFS_BSIZE) {
if ((pmp->pm_BytesPerSec < GEMDOSFS_BSIZE) ||
(pmp->pm_BytesPerSec / GEMDOSFS_BSIZE) > psize)) {
BlkPerSec = pmp->pm_BytesPerSec / GEMDOSFS_BSIZE;
pmp->pm_BytesPerSec = GEMDOSFS_BSIZE;