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Author Topic: A1200 + GVP 1291 SCSI issues after SetPatch  (Read 192 times)

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Offline Boing-ball

Re: A1200 + GVP 1291 SCSI issues after SetPatch
« on: May 10, 2026, 01:33:38 AM »
Hi all,

I have an A1200 running OS 3.2.2 with a GVP 1230 Turbo+ II 68030 accelerator with an attached 1291 SCSI controller.  The 1291 provides an external DB25 connector for external SCSI devices.  I've been trying to get it to work with a ZuluSCSI Pico Slim for weeks.  The GVP driver kept reporting any device configured (HDD or CD-ROM) on the ZuluSCSI as a tape drive.  Some debugging showed that the device inquiry data was not being properly reported by the gvpscsi.device driver (version 5.3), even though the ZuluSCSI was returning it properly.  I'm not sure why I didn't think of this sooner, but just today, I finally decided to try booting without a startup-sequence.  The ZuluSCSI worked perfectly.  I was able to narrow the failing point down to the SetPatch call during startup.  I am assuming after patching something is either stomping on the gvpscsi.device or has changed a dependent driver or library enough to break it.

Any suggestions for workarounds for this type of situation?  OS 3.9 SetPatch has the ability to SKIPROMUPDATES for certain devices and libraries.  I don't see similar capability on OS 3.2.2.

Thanks,

-Jeremy

Have you tried the following after backing up your current configuration

1).. Installing ThorsMMU libs in expert mode. As this has configurable options for Phase 5, ACA and GVP accelerators

2j.. Why still on AOS 3.2.2 when 3.2.3 upgrade is available. May have a fix for SetPatch there.

https://www.hyperion-entertainment.com/


« Last Edit: May 10, 2026, 01:36:10 AM by Boing-ball »