That's most certainly parallel SCSI; it has connectors for both 8- and 16-bit wide buses internally. -Dave On 02/14/2013 11:31 PM, Cory Smelosky wrote: https://lh5.googleusercontent.com/-hizoqnBIhAw/UR248z3sv4I/AAAAAAAAA8I/adXQ… I have a few of these. ----- Original Message ----- | From: "Gregg Levine" <gregg.drwho8 at gmail.com> | To: hecnet at update.uu.se | Sent: Thursday, 14 February, 2013 11:25:58 PM | Subject: Re: [HECnet] ES40 arrived! New nodes please | | On Thu, Feb 14, 2013 at 11:16 PM, Dave McGuire | <mcguire at neurotica.com> wrote: | > On 02/14/2013 11:15 PM, Cory Smelosky wrote: | >> Mine are pretty much like those, except the internal connector is | >> parallel, they work with VMS, and they're not parallel SCSI | >> inside. | > | > If they're not parallel SCSI inside, then what are they? | > | > The ISP1080 (I think you mentioned your board is ISP1080-based) | > is a | > pretty common PCI to SCSI host adapter chip. Nearly all of the | > required | > circuitry is on that chip. | > | > What Gregg was looking for was, I think, something from the | > Adaptec | > AHA2940 family. Different chip, same basic idea, just as common, | > but | > incompatible at the register level. | > | > -Dave -- Dave McGuire, AK4HZ New Kensington, PA