Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!mcsun!ukc!axion!delluk!holly!tim From: tim@dell.co.uk (Tim Wright) Newsgroups: comp.unix.sysv386 Subject: Re: AT&T SVR4 and 1542B Keywords: SCSI, SVR4, 1542B, 1740, EISA Message-ID: Date: 28 May 91 12:01:18 GMT References: <1991May23.222751.25722@smsc.sony.com> <1991May25.152757.28400@scuzzy.in-berlin.de> Sender: usenet@delluk.uucp (Usenet posting login) Organization: Dell Computer Corp., Bracknell, UK Lines: 21 In <1991May25.152757.28400@scuzzy.in-berlin.de> src@scuzzy.in-berlin.de (Heiko Blume) writes: >tin@smsc.sony.com (Tin Le) writes: >> I've been informed by Dell that they have a customer who is using the >>1740 with their SVR4 and their machine. However, he has to use the >>1542B emulation mode of the card as there is no driver for the 1740 >>native mode. That's too bad because you won't get any benefits that >>EISA and the 1740 (possibly) offers. IMHO, it's a waste of money. >that is not correct, the 1740 will do 32bit DMA in both modes. Unfortunately, all the "1542"-type drivers I know of only setup 24-bit addresses and hence the 1740 cannot be used in systems with more than 16M of memory. However I see that there are drivers for the 1740 being produced by most OS vendors so the problem should soon be history. Tim -- Tim Wright, Dell Computer Corp., Bracknell | Domain: tim@dell.co.uk Berkshire, UK, RG12 1RW. Tel: +44-344-860456 | Uucp: ...!ukc!delluk!tim Smoke me a Kipper, I'll be back for breakfast - Red Dwarf