INT 21 - Novell NetWare v4+ - GET VOLUME SWITCH INFORMATION AX = F27Bh subfn 09h CX = length of request buffer in bytes DX = length of reply buffer in bytes DS:SI -> request buffer (see #02500) ES:DI -> reply buffer (see #02501) Return: AL = status (see #02860 at INT 2F/AX=7A20h/BX=0000h) reply buffer filled