Int 15 Fn E881 - Phoenix Bios V4.0 - Get Memory Size For >64m Configurat [b]
AX = E881h
Return: CF clear if successful
EAX = extended memory between 1M and 16M, in K (max 3C00h = 15MB)
EBX = extended memory above 16M, in 64K blocks
ECX = configured memory 1M to 16M, in K
EDX = configured memory above 16M, in 64K blocks
CF set on error
Notes: supported by AMI BIOSes dated 8/23/94 or later
this interface is used by Windows NT 3.1, OS/2 v2.11/2.20, and is
used as a fall-back by newer versions if AX=E820h is not supported
See Also: AX=E801h"Phoenix",AX=E820h"Phoenix"