INT 13 u - QUICKCACHE II v4.20 - SET BUFFERED READ AH = 2Dh AL = new state (00h disabled, 01h enabled) Return: AX = status (0000h successful) Desc: specify whether the cache should attempt to read ahead of actual requests Note: this function enables or disables read-ahead for all drives; use AH=37h to change a single drive SeeAlso: AH=2Ch,AH=37h