WIDE_SYNC
if (pDCB->SyncPeriod & WIDE_SYNC) {
pDCB->SyncPeriod |= WIDE_SYNC;
index = pDCB->SyncPeriod & ~(WIDE_SYNC | ALT_SYNC);
if ((pDCB->SyncPeriod & WIDE_SYNC) != 0)
if (pDCB->SyncPeriod & WIDE_SYNC) {