Re: Disabling SCSI parity checking to dump disk on ACB4000 MFM-SCSI adapter?

2020-09-24 Thread Grant Taylor via cctalk
On 9/24/20 12:15 PM, Jules Richardson via cctech wrote: the Linux kernel at least has depended on it for a very long time Do you have any idea how far back one might need to go to get a kernel that didn't depend on SCSI Inquiry? I wonder if a retro computer with a really old kernel and a

Re: Disabling SCSI parity checking to dump disk on ACB4000 MFM-SCSI adapter?

2020-09-24 Thread Jules Richardson via cctalk
On 9/23/20 3:28 PM, Michael Engel via cctech wrote: 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. Lack of Inquiry support seems to be quite

Re: PSA to SparcBook 2 Users

2020-09-24 Thread John Herron via cctalk
Apologies if this is easily found info but is there a good guide on getting into the tadpole systems? I recall my last time felt futile and I read some warnings from folks smarter than me suggesting its easy to break but not properly disassemble. On Tue, Sep 22, 2020, 1:45 PM null via cctalk

Re: Revived Terak 8510

2020-09-24 Thread Josh Dersch via cctalk
On Thu, Sep 24, 2020 at 10:57 AM John Foust via cctalk < cctalk@classiccmp.org> wrote: > > Mine stopped working a decade or so ago. I have a dozen or so, > but none are powering up any more. > > I seem to remember someone here who'd revived one. Did it mean > replacing sockets, replacing caps?

Revived Terak 8510

2020-09-24 Thread John Foust via cctalk
Mine stopped working a decade or so ago. I have a dozen or so, but none are powering up any more. I seem to remember someone here who'd revived one. Did it mean replacing sockets, replacing caps? - John

Re: Disabling SCSI parity checking to dump disk on ACB4000 MFM-SCSI adapter?

2020-09-24 Thread Jonas M via cctalk
Hi, I remember I used Linux with an AdvanSys PCI adapter to successfully read a disk connected through an ACB4000. It's been a while but I believe I had to run an old kernel which I compiled myself with support for ACB4000. Might have been that a patch was applied. All I found in my archives is

Disabling SCSI parity checking to dump disk on ACB4000, MFM-SCSI adapter?

2020-09-24 Thread Chris Quayle via cctalk
On 09/24/20 18:00, cctech-requ...@classiccmp.org wrote: Disabling SCSI parity checking to dump disk on ACB4000 MFM-SCSI adapter? I have a sun 3 system with acb4000 and suspect the protocol was not fully sorted in that time frame. They can be fussy about what they will talk to, ime.

Re: Disabling SCSI parity checking to dump disk on ACB4000 MFM-SCSI adapter?

2020-09-24 Thread Camiel Vanderhoeven via cctalk
> On Sep 24, 2020, at 6:21 PM, Camiel Vanderhoeven via cctalk > wrote: > > > > > >> On Sep 24, 2020, at 5:23 PM, Grant Taylor via cctalk >> wrote: >> >> On 9/24/20 1:12 AM, Camiel Vanderhoeven via cctalk wrote: >>> I used an Ancot Ultra2080/Lite SCSI-bus Analyzer. This is a device that

Re: Disabling SCSI parity checking to dump disk on ACB4000 MFM-SCSI adapter?

2020-09-24 Thread Camiel Vanderhoeven via cctalk
> On Sep 24, 2020, at 5:23 PM, Grant Taylor via cctalk > wrote: > > On 9/24/20 1:12 AM, Camiel Vanderhoeven via cctalk wrote: >> I used an Ancot Ultra2080/Lite SCSI-bus Analyzer. This is a device that >> connects to a SCSI bus and has a serial port. Over the serial port, you can >>

Re: Disabling SCSI parity checking to dump disk on ACB4000 MFM-SCSI adapter?

2020-09-24 Thread Grant Taylor via cctalk
On 9/24/20 1:12 AM, Camiel Vanderhoeven via cctalk wrote: I used an Ancot Ultra2080/Lite SCSI-bus Analyzer. This is a device that connects to a SCSI bus and has a serial port. Over the serial port, you can monitor the signals on the SCSI bus, and use it as a SCSI protocol analyzer. There’s

Re: Disabling SCSI parity checking to dump disk on ACB4000 MFM-SCSI adapter?

2020-09-24 Thread Camiel Vanderhoeven via cctalk
> On Sep 23, 2020, at 10:28 PM, Michael Engel via cctech > 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