https://www.ardent-tool.com/SCSI/SCSI_Communication_Test_Bus.html
About 5 years ago, I read a post on a photography group, the OP was
doing image processing and used SCSI to pass the file? dunno, but he
wrote code to use the SCSI bus as a network? file transfer?. IIRC, it involved Kodak (cameras? codecs? warp drive?), at least one 8580, and of course, IBM MCA SCSI. Copied Tim, and moved on.
Tomas Slavotinek wrote:
On 21.01.2023 2:00, Louis Ohland wrote:
MAJ Tom, can SCBs be used to communicate over the SCSI bus? SOS?
https://www.ardent-tool.com/docs/patent/US5499378.pdf
Yes, that's what it's used for, but normally, you talk to a local
device (be it internal or external).
I don't know how the host-host communication and device emulation are
handled. I'd have to read the patent(s) and identify the related code
in the SCSI BIOS (there are still some unknown and rather confusing
parts...). But the implementation is almost certainly limited to IBM
SCSI hosts and disk-related operations. Custom software would be
needed for general system-system communication.
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjHsbzw1tj8AhVVMDQIHaVIAkU4ChAWegQIBBAB&url=https%3A%2F%2Fciteseerx.ist.psu.edu%2Fdocument%3Frepid%3Drep1%26type%3Dpdf%26doi%3Dae0f892eb1cfb74703d1aa04990084276c0cfcf6&usg=AOvVaw3ugly7Na52cw3gZtfWgeL8
sorry for the XBox HUUGE link, our digital masters deem it so.
Louis Ohland wrote:
https://www.ardent-tool.com/SCSI/SCSI_Communication_Test_Bus.html
About 5 years ago, I read a post on a photography group, the OP was
doing image processing and used SCSI to pass the file? dunno, but he
wrote code to use the SCSI bus as a network? file transfer?. IIRC, it
involved Kodak (cameras? codecs? warp drive?), at least one 8580, and
of course, IBM MCA SCSI. Copied Tim, and moved on.
Tomas Slavotinek wrote:
On 21.01.2023 2:00, Louis Ohland wrote:
MAJ Tom, can SCBs be used to communicate over the SCSI bus? SOS?
https://www.ardent-tool.com/docs/patent/US5499378.pdf
Yes, that's what it's used for, but normally, you talk to a local
device (be it internal or external).
I don't know how the host-host communication and device emulation are
handled. I'd have to read the patent(s) and identify the related code
in the SCSI BIOS (there are still some unknown and rather confusing
parts...). But the implementation is almost certainly limited to IBM
SCSI hosts and disk-related operations. Custom software would be
needed for general system-system communication.
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