Int 15 Fn E801  - Compaq Contura - Get ???                                 [b]

   AX = E801h

Return: CF clear
   AX = extended memory in K (read from CMOS locations 30h and 31h)
   BH = ???
   BL = ???
   CX = extended memory in K (read from CMOS locations 17h and 18h)
   DX = ???

Note:  also supported by 3/8/93 DESKPRO/i and 7/26/93 LTE Lite 386 ROM BIOS