INT 13 - Super PC Kwik/PC-Cache 5.x - ???
AH = 81h
SI = 4358h
???
Return: ???
Note:   PC Tools PC-Cache 5.x and Qualitas Qcache 4.00 are OEM versions of
Super PC Kwik, and thus support this call
returns immediately in PC-Cache v5.x


1381 - Super PC Kwik/PC-Cache 5.x - ???