rpfeifle@watvlsi.UUCP (07/07/87)
What pins have to be connected to what lines, what pins have to be dropped
etc...
Ron
--
Ron Pfeifle "What time is it?"
{decvax,allegra,ihnp4}!watmath!watvlsi!rpfeifle "It's the dark ages."
[better get your Oktoberfest tickets now] --the Franticsdragon@oliveb.UUCP (Give me a quarter or I'll touch you) (07/10/87)
in article <3559@watvlsi.UUCP>, rpfeifle@watvlsi.UUCP says: > > What pins have to be connected to what lines, what pins have to be dropped > etc... > > Ron > -- > Ron Pfeifle "What time is it?" > {decvax,allegra,ihnp4}!watmath!watvlsi!rpfeifle "It's the dark ages." > [better get your Oktoberfest tickets now] --the Frantics Ah, but it's not that easy. The only way I know of to hook a standard SCSI interface board to an ST via the DMA port is to buy the Berkeley Micro Systems' hard disk interface board. This is a board which, when hooked to the ST DMA port, gives subset of the SCSI standard port. One can hook a SCSI hard drive to this port, or can go further by then hooking a SCSI-to-ST506/ST412 interface. This would allow hookup of IBM-PC style hard drives. While we're on the subject of drives, just WHO has gotten a 5.25" drive working on the ST? Would anyone like to mail me the pinouts to make a cable and the modifications required to the mechanism? I don't want to hook it up inside an ST drive, I'd like to plug it in to the back of one. -- Dean Brunette {ucbvax,etc.}!hplabs!oliveb!olivej!dragon Olivetti Advanced Technology Center _____ _____ __|__ _____ 20300 Stevens Creek Blvd. | | _____| | | Cupertino, CA 95014 |_____| |_____| |__ |_____
exodus@uop.UUCP (Freddy Kreuger) (07/10/87)
In article <3559@watvlsi.UUCP>, rpfeifle@watvlsi.UUCP writes: > What pins have to be connected to what lines, what pins have to be dropped > etc... > > Ron The recommended way of doing things is to buy Supra Corp.'s DMA<=>SCSI interface board. They also include (I assume, it's available on BBS's and on GEnie for free...) the autoboot software, formatter, and utilities. Otherwise you would have to build your own interface...and that wouldn't be too much fun... Greg Onufer
toml@xrxns.UUCP (Tom Love) (07/10/87)
In article <3559@watvlsi.UUCP>, rpfeifle@watvlsi.UUCP writes: > What pins have to be connected to what lines, what pins have to be dropped > etc... > > Ron > -- > Ron Pfeifle > {decvax,allegra,ihnp4}!watmath!watvlsi!rpfeifle oh, sweet naivete... for better or worse atari's DMA and the industry-standard SCSI interface are far from equivalent. simply crossing a few wires won't do it for you; you need an adaptor board (not to mention a disk controller, unless your disk is *really* a SCSI disk, i.e. has its own built-in SCSI controller). i'm familiar with two companies making DMA to SCSI adaptors for the ST: Tech Specialties, in Houston, and Berkeley Microsystems, in Oakland CA. I know essentially nothing about Tech Specialties, except that i think they mostly do turnkey hard disk systems. i have done business with berkeley microsystem - i bought their adaptor, as well as an adaptek controller board, from them. i use mine to drive a quantum 540 HD. i've had no problems. the cost on these two boards is approx $125 each. for more info, see my article in the march "ST Applications" magazine entitled "a hacker's hard disk", wherein i describe my experiences putting together my disk system. if you can't find a copy of that mag, send me a sase and i'll send you a copy of the article (i could uucp the text, but you'd be missing the graphics then). i will be happy to do this for whoever would like a copy. [aside: i'm beginning to think that this newsgroup needs a "answers to commonly asked questions" article posted periodically, like that posted with the netiquette article.] good luck! tom love xerox edds p.o. box 2000 leesburg, va 22075 (703)729-8000 x5185 uucp: seismo!rochester!rocksanne!xrxns!toml xns: toml:lsbg-egp/cad:xerox
weber_w@apollo.uucp (Walt Weber) (07/10/87)
In article <3559@watvlsi.UUCP> rpfeifle@watvlsi.UUCP writes: >What pins have to be connected to what lines, what pins have to be dropped >etc... I sincerely doubt that a straight pin-pin connection can be made from the Atari DMA port to a SCSI disk controller. There would appear to be enough differences in signal level and handshake proto's that it would not work. Use the BMS1000 interface board from Berkeley Micro Systems in California. Their ads appear in Current Notes (Washington Atari Computer Enthusiasts newsmagazine) and in STart. I have no connection with BMS except as a VERY HAPPY customer. -- Walt Weber PHONE: (617) 256-6600 x7004 Apollo Computer GENIE: W.WEBER Chelmsford, People's Republic of Massachusetts
jdg@elmgate.UUCP (Jeff Gortatowsky) (07/12/87)
In article <35fac4ff.1f6@apollo.uucp> weber_w@apollo.UUCP (Walt Weber) writes: >In article <3559@watvlsi.UUCP> rpfeifle@watvlsi.UUCP writes: >>What pins have to be connected to what lines, what pins have to be dropped >>etc... > >I have no connection with BMS except as a VERY HAPPY customer. > >-- >Walt Weber PHONE: (617) 256-6600 x7004 >Apollo Computer GENIE: W.WEBER I also purchased a BMS-1000 (way back before they had manuals!). I'm using mine with a 42 meg ST506 drive. I mounted the whole shabang in a PC clone case with the ACB-4000 piggy backed onto the BMS-1000. The BMS board supports 2 drives (as does their driver) and also throws in a battery backed up clock. I too have no connection with BMS except for the fact they gave me a BMS-1000 in exchange for $125. -- Jeff Gortatowsky {seismo,allegra}!rochester!kodak!elmgate!jdg Eastman Kodak Company These comments are mine alone and not Eastman Kodak's. How's that for a simple and complete disclaimer?