INT 21 - Novell NetWare - MESSAGE SERVICES - BROADCAST TO CONSOLE
AH = E1h subfn 09h
DS:SI -> request buffer (see below)
ES:DI -> reply buffer (see below)
Return: AL = status
00h successful
FCh full message queue
FEh out of dynamic workspace
Desc:   send a one-line message to the system console on the default file
server
Note:   this function is supported by NetWare 4.0+ and Advanced NetWare 1.0+
SeeAlso: AH=E1h/SF=00h,AH=E1h/SF=01h,AH=E3h/SF=D1h

Format of request buffer:
Offset  Size    Description
00h    WORD    length of following data (max 3Eh)
02h    BYTE    09h (subfunction "Broadcast to Console")
03h    BYTE    length of message (01h-3Ch)
04h  N BYTEs   message (no control characters or characters > 7Eh)

Format of reply buffer:
Offset  Size    Description
00h    WORD    (call) 0000h (no results returned)

See also: 21DE

21E1 - Novell NetWare - MESSAGE SERVICES - BROADCAST TO CONSOLE