I have the same problem with Torch Triple X disk which uses OMT SCSI/MFM adapter. I believe the best solution is to use David’s MFM emulator board.
Best regards, Plamen On Wednesday, September 23, 2020, Michael Engel via cctech < cct...@classiccmp.org> wrote: > > > On 9/23/20 8:54 PM, Grant Taylor via cctech wrote: > >> On 9/23/20 12:51 PM, Michael Engel via cctech wrote: >> >>> Do you know if is there another OS which would make it easier to change >>> crucial SCSI parameters in the driver (config) or maybe a specialized tool >>> that could help me to image the disk? >>> >> >> Try booting off of a Linux live CD / DVD and seeing if it will behave any >> different >> > Not really, unfortunately. The error messages are a bit cryptic: > > [ 1069.277571] (scsi8:A:0:0): Sending SDTR period 45, offset 0 > [ 1069.278961] scsi 8:0:0:0: Attempting to queue a TARGET RESET message > [ 1069.278964] CDB: 0x12 0x0 0x0 0x0 0x24 0x0 > [ 1069.278975] scsi 8:0:0:0: Command not found > [ 1069.278979] aic7xxx_dev_reset returns 0x2002 > [ 1069.279286] (scsi8:A:0:0): Sending SDTR period 45, offset 0 > [ 1069.280736] scsi8: Slave Alloc 1 > [ 1069.543400] scsi target8:0:1: asynchronous > [ 1069.543416] scsi8: target 1 using asynchronous transfers > [ 1069.543420] scsi8: Selection Timeout on A:1. 0 SCBs aborted > > It seems that the problem lies in the firmware of the ACB4000, which > doesn´t seem to support some standard commands, e.g. the INQUIRY command. > Most recent Linux SCSI drivers seem to use this command. > > Some information on this problem can be found here: > https://www.zot.org/~hamish/hacks/acb-4000.html > > There´s a thread (in German, sorry) in which someone tried to get a disk > on an ACB4000 to work: > https://de.comp.os.unix.linux.misc.narkive.com/ti21cHO0/scsi > -1-platte-unter-linux-ansprechen > and somebody else (also in German...) claims that he could run a disk on > an ACB4000 (from an Atari SH204) on an Adaptec 1542: > https://forum.classic-computing.de/forum/index.php?thread/ > 18576-wie-programme-vom-pc-auf-atari-mega-st-bringen/&pageNo=2 > > So maybe an Atari ST with an ACSI->SCSI adapter might help. That seems to > be one of the machines we don´t have here... > > -- Michael > >
