Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sdd.hp.com!spool.mu.edu!cs.umn.edu!msi.umn.edu!math.fu-berlin.de!unido!rwthinf!ikki!cs From: cs@ikki.informatik.rwth-aachen.de (Claus Schiffler) Newsgroups: comp.os.msdos.desqview Subject: Re: QEMM & Adaptec 1542 Keywords: Bus Master Blues Message-ID: Date: 17 May 91 10:37:56 GMT Article-I.D.: ikki.cs.674476676 References: <646@bigfoot.first.gmd.de> Sender: news@rwthinf.UUCP Lines: 12 In Quaterdecks White Papers are 4 possible solutions mentioned: - use of the parameter DISKBUF=xx with QEMM.SYS (only hard disk controllers) - for Adaptec AHA1540/1542/(?)1740 you can get from Adaptecs BBS the device driver SCSIHA.SYS - configure your SCSI adapter in order that it uses the standart DMA-Chanels - use the VDS-driver (Virtual DMA Services) if supported by your card manufacturer On my pc, I'm running the AHA1542/B with DISKBUF successfully. The use of the ASPI driver (programmed by Adaptec) may be o.k., but it is quite expensive (in Germany). Claus Schiffler cs@cip-s01.informatik.rwth-aachen.de