INT 13 - SWBIOS - SET 1024 CYLINDER FLAG
AH = EEh
DL = drive number (80h, 81h)
Return: CF clear
AH = 00h
Notes:  the following INT 13 call will interpret the cylinder number as 1024
less than the desired cylinder
flag cleared by all INT 13 calls except AH=EEh
SWBIOS is a TSR by Ontrack Computer Systems; Disk Manager also supports
these calls
also supported by HyperDisk v4.01+ and PC-Cache v5.5+, in order to allow
caching of drives using SWBIOS to access more than 1024 cylinders
SeeAlso: AH=FEh,INT 16/AX=FFA5h/CX=1111h,INT 2F/AH=DFh

See also: 13F9

13EE - SWBIOS - SET 1024 CYLINDER FLAG