Int 61 Fn 30  - Pc/tcp Kernel V2.05+ - "icmp_ping" - Send Icmp Echo Reque  [N]

   AH = 30h
   BX,DX = IP address of host
   CX = length of data to send

Return: CF clear if successful (i.e. reply received)
   CF set on error
       AX = error code (see #2990 at INT 61"FTP Software")

Note:  this function is not supported by Beame&Whiteside's BWPCTCP v3.0a shim

See Also: INT 61"FTP Software",INT 61/AH=00h"PC/TCP"