INT 21 - LANtastic v4.0+ - SCHEDULE SERVER SHUTDOWN
AX = 5FC8h
ES:DI -> ASCIZ server name in form "\\machine"
DS:SI -> ASCIZ reason string (80 characters)
CX = number of minutes until shutdown (0 = immediate)
DX = option flags (see below)
bit 0: auto reboot
1: do not notify users
2: halt after shutdown
3: shutdown due to power fail (used by UPS)
bits 4-7: reserved
bits 8-14: user definable
bit 15: reserved
Return: CF clear if successful
CF set on error
AX = error code

See also: 215F

215FC8 - LANtastic v4.0+ - SCHEDULE SERVER SHUTDOWN