Re: SCSI Tape Emulator

2016-10-11 Thread Ken Seefried
I thought this sort of thing was what the various target-mode SCSI frameworks were designed for? I seem to remember at least one of them had emulated tape drives backed by files. KJ

Re: SCSI Tape Emulator

2016-10-11 Thread Al Kossow
On 10/10/16 2:43 AM, asw...@t-online.de wrote: >> So it would plug into the SCSI bus and allow ".TAP" (and other tape formats) >> stored on some kind of flash memory, say USB or SD card perhaps, to be read >> by real hardware. >> >> >> >> Does this sound usefull to any one? Any other thoughts on

Re: SCSI Tape Emulator

2016-10-10 Thread Josh Dersch
On 10/10/16 6:19 PM, Chris Hanson wrote: On Oct 10, 2016, at 6:11 PM, Josh Dersch wrote: On 10/10/16 5:40 PM, Charles Anthony wrote: On Mon, Oct 10, 2016 at 4:49 PM, Rich Alderson < ri...@livingcomputermuseum.org> wrote: From: Charles Anthony Sent: Monday, October 10, 2016 12:53 PM Correc

Re: SCSI Tape Emulator

2016-10-10 Thread Chris Hanson
On Oct 10, 2016, at 6:11 PM, Josh Dersch wrote: > >> On 10/10/16 5:40 PM, Charles Anthony wrote: >> >> On Mon, Oct 10, 2016 at 4:49 PM, Rich Alderson < >> ri...@livingcomputermuseum.org> wrote: >> >>> From: Charles Anthony >>> Sent: Monday, October 10, 2016 12:53 PM >>> >>> >>> Correction: .

Re: SCSI Tape Emulator

2016-10-10 Thread Josh Dersch
On 10/10/16 5:40 PM, Charles Anthony wrote: On Mon, Oct 10, 2016 at 4:49 PM, Rich Alderson < ri...@livingcomputermuseum.org> wrote: From: Charles Anthony Sent: Monday, October 10, 2016 12:53 PM Correction: .tap format uses 4 byte counters, in little-endian order. Order is not relevant for t

Re: SCSI Tape Emulator

2016-10-10 Thread Charles Anthony
On Mon, Oct 10, 2016 at 4:49 PM, Rich Alderson < ri...@livingcomputermuseum.org> wrote: > From: Charles Anthony > Sent: Monday, October 10, 2016 12:53 PM > > > Correction: .tap format uses 4 byte counters, in little-endian order. > Order is not relevant for the EOF tape marks, of course, since th

Re: SCSI Tape Emulator

2016-10-10 Thread Al Kossow
http://www.reactivedata.com/Products/SCSI_Bridge_Emulators_to_CF/imgs/SCSI(LRG).JPG This looks like another (german) product. Will keep digging. On 10/10/16 4:49 PM, Al Kossow wrote: > brochure > http://www.ssd.gb.com/SCSIFlash/SCSIFlash-Tape/SCSIFlash-Tape%E2%84%A2.pdf > > > On 10/10/16 4:25

RE: SCSI Tape Emulator

2016-10-10 Thread Rich Alderson
From: Charles Anthony Sent: Monday, October 10, 2016 12:53 PM > Details: The .tap format is a series of tape records; each record is > stored as a 2 byte byte count, the data (sometimes rounded to an even > number of bytes), and a repeat of the 2 byte byte count. This format > supports the basic t

Re: SCSI Tape Emulator

2016-10-10 Thread Al Kossow
brochure http://www.ssd.gb.com/SCSIFlash/SCSIFlash-Tape/SCSIFlash-Tape%E2%84%A2.pdf On 10/10/16 4:25 PM, Don North wrote: > > Something new: > http://embedded-computing.com/news/launch-scsiflash-tape-replacement-obsolete-end-of-life-tape-drives/ > but no price listed. > Not targeted at the clas

Re: SCSI Tape Emulator

2016-10-10 Thread Don North
Something new: http://embedded-computing.com/news/launch-scsiflash-tape-replacement-obsolete-end-of-life-tape-drives/ but no price listed. Not targeted at the classic computing hobbyist, so probably going to be expensive. On 10/10/2016 3:34 PM, Al Kossow wrote: "9-track tape emulator" bring

Re: SCSI Tape Emulator

2016-10-10 Thread Al Kossow
"9-track tape emulator" brings up the usual suspects on G they are ~10k dollar devices. http://www.arraid.com/ et. al. On 10/10/16 3:27 PM, Chuck Guzis wrote: > On 10/10/2016 02:02 PM, Dave G4UGM wrote: > >> Do you have any links, I couldn't turn any up? Are they affordable? > > > Only an e

Re: SCSI Tape Emulator

2016-10-10 Thread Chuck Guzis
On 10/10/2016 02:02 PM, Dave G4UGM wrote: > Do you have any links, I couldn't turn any up? Are they affordable? Only an echo of a name rattling around in my brainpan--AVAX. Maybe a google search will turn up something. --Chuck

Re: SCSI Tape Emulator

2016-10-10 Thread Glen Slick
On Mon, Oct 10, 2016 at 2:02 PM, Dave G4UGM wrote: > >> Don't tape emulator boxes already exist, both for SCSI and Pertec >> interfaces? It seems to me that I've seen a few. >> >> --Chuck > > Do you have any links, I couldn't turn any up? > Are they affordable? Sure, they exist. Can you actuall

RE: SCSI Tape Emulator

2016-10-10 Thread Dave G4UGM
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck > Guzis > Sent: 10 October 2016 20:57 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: SCSI Tape Emulator > > Don't tape emulator boxes

Re: SCSI Tape Emulator

2016-10-10 Thread Chuck Guzis
Don't tape emulator boxes already exist, both for SCSI and Pertec interfaces? It seems to me that I've seen a few. --Chuck

Re: SCSI Tape Emulator

2016-10-10 Thread Charles Anthony
On Mon, Oct 10, 2016 at 10:23 AM, Paul Koning wrote: > > > On Oct 10, 2016, at 11:24 AM, Charles Anthony < > charles.unix@gmail.com> wrote: > > > > On Mon, Oct 10, 2016 at 4:51 AM, Dave Wade wrote: > > > >>> Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? > >> > >> I

Re: SCSI Tape Emulator

2016-10-10 Thread Mike Ross
On Oct 11, 2016 3:48 AM, "emanuel stiebler" wrote: > > On 2016-10-10 12:07, Mike Ross wrote: > >> Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? > > > Did anybody try if it works on a VAX? > The SCSI2SD is the only one whioch I didn't try, now the newer version is out, and

Re: SCSI Tape Emulator

2016-10-10 Thread Paul Koning
> On Oct 10, 2016, at 11:24 AM, Charles Anthony > wrote: > > On Mon, Oct 10, 2016 at 4:51 AM, Dave Wade wrote: > >>> Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? >> >> I am not sure, it looks there is some code in there for tape but its very >> minimal. >> In addit

Re: SCSI Tape Emulator

2016-10-10 Thread jim stephens
On 10/10/2016 8:24 AM, Charles Anthony wrote: On Mon, Oct 10, 2016 at 4:51 AM, Dave Wade wrote: Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? I am not sure, it looks there is some code in there for tape but its very minimal. In addition there are no interfaces on t

Re: SCSI Tape Emulator

2016-10-10 Thread Charles Anthony
On Mon, Oct 10, 2016 at 4:51 AM, Dave Wade wrote: > > Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? > > I am not sure, it looks there is some code in there for tape but its very > minimal. > In addition there are no interfaces on the card to select the ".tap" file > to b

Re: SCSI Tape Emulator

2016-10-10 Thread emanuel stiebler
On 2016-10-10 12:07, Mike Ross wrote: Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? Did anybody try if it works on a VAX? The SCSI2SD is the only one whioch I didn't try, now the newer version is out, and should even be faster. But didn't have the time to try. And,

Re: SCSI Tape Emulator

2016-10-10 Thread Aaron Jackson
> I am "playing" with a small VAX and want to install software onto it, some > of which are in SIMH ".tap" format files. I was thinking it would be nice to > have a SCSI Tape emulator that worked a bit like the USB floppy emulators > that are about. It would be ni

RE: SCSI Tape Emulator

2016-10-10 Thread Dave Wade
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mike Ross > Sent: 10 October 2016 11:07 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: SCSI Tape Emulator > > On Oct 10, 2016 10:06 PM, "Dav

Re: SCSI Tape Emulator

2016-10-10 Thread aswood
rmat files. I was thinking it would be nice to > have a SCSI Tape emulator that worked a bit like the USB floppy emulators > that are about. > > So it would plug into the SCSI bus and allow ".TAP" (and other tape formats) > stored on some kind of flash memory, say USB or

Re: SCSI Tape Emulator

2016-10-10 Thread Mike Ross
On Oct 10, 2016 10:06 PM, "Dave Wade" wrote: > > Folks, > > I am "playing" with a small VAX and want to install software onto it, some > of which are in SIMH ".tap" format files. I was thinking it would be nice to > have a SCSI Tape emulator that w

SCSI Tape Emulator

2016-10-10 Thread Dave Wade
Folks, I am "playing" with a small VAX and want to install software onto it, some of which are in SIMH ".tap" format files. I was thinking it would be nice to have a SCSI Tape emulator that worked a bit like the USB floppy emulators that are about. So it would plug into th