neese@adaptex.UUCP (12/03/89)
>/* ---------- "Hard disk controller information wa" ---------- */ >I am looking for information on hard disk controllers. My PC is *not* IBM >*not* IBM compatible (It is domestic model - i.e., Japanese model - from NEC). >So I am building an SCSI host adaptor for it and am going to put an >SCSI<->ST506 adaptor for my CDC 94205-51. > >This PC, NEC 9801F, is supposed to work with DTC 510B - It has driver in the >rom using vendor specific command set of DTC 510B. So my primary concern is >where can I get this controller? (This one seems to support SASI only, though.) > >However, I am also interested in other SCSI to ST506 adaptors, so that I can >compare the capabilities and etc. Of my special interests are to acquire the >specs for the controllers. Maybe, then, the first places to try are the >technical assistance people at various controller manufactuerers, but I >do not know what numbers to call. > >If you know any sources of such information, would you please e-mail me? >Pointers to magazines, BBS phone numbers, technical assistance phone numbers, >etc. are all welcome. > >BTW, I've dialed Western Digital BBS to see if they have such an adaptor only >to find that almost all the controllers they have are for IBM compatibles. >Living in an IBM world, but I am not an IBM guy. 8-( I have seen these type of questions often enough that I thought I would post the numbers and info on our line of SCSI bridge controllers. To get more information, you need to call 408-945-8600 and ask for such. Model Number Description ACB-3530A SCSI->QIC-36 SCSI Rev 17B compitible, bus arbitration, disconnect/reconnect, buffered writes w/immediate command completion support, QIC-24/QIC-11 media support, automatic tape defect handling ACB-4000A SCSI->ST506/412 4000A supports MFM encoding, 4070 supports ACB-4070 RLL 2,7 encoding Supports two drives, hard/soft sector support, SCSI Rev 17B compatible, 1:1 interleave, 1K dual ported buffer, trans- parent flaw management, 32 Bit ECC on ID and data fields, wedge servo support, supports drives up to 16 heads/2048 cylinders ACB-4520A SCSI->ESDI Supports 2 ESDI drives, track skewing, 1:1 interleave, bus arbitration, disconnect/reconnect, trans- parent flaw handling, 8K dual ported buffer ACB-5500 SCSI->ST506 Supports 4 ST506 drives, bus arbitration, disconnect/reconnect, transparent flaw management, 2K dual ported buffer, link commands supported, SCSI Rev 17B compatible. ACB-5580A 10Mbit/sec SMD Controller w/single ended SCSI drivers ACB-5580AD 10Mbit/sec SMD Controller w/differential SCSI drivers ACB-5585 15Mbit/sec ESMD Controller w/single ended SCSI drivers ACB-5585D 15Mbit/sec ESMD Controller w/differential SCSI drivers SCSI Rev 17B compatible, supports 4 (E)SMD drives, bus arbitration, disconnect/reconnect, concurrent command support for multiple drives, transparent flaw managemment, 4K dual ported buffer, 32Bit ECC on ID and data fields Roy Neese Adaptec Central Field Applications Engineer UUCP @ {texbell,attctc}!cpe!adaptex!neese merch!adaptex!neese