WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives
cclist at sydex.com
Wed Jun 10 00:54:19 CDT 2015
On 06/09/2015 10:31 PM, Mark J. Blair wrote:
>> Any particular reason why Pertec IF isn't desirable?
> I already have 1-2 Pertec IF drives; my Kennedy 9610, and presumably
> my TU80 based on the two 50-pin cables between it and my VAX. I don't
> have any Pertec interface controllers on my modernish, up-and-running
> computers, but I do have a fully-working Sun Ultra 60 with SCSI
> interface, software support for SCSI tape drives, and capable of
> talking to my NAS for easy file transfer to my main computer (Mac Pro
> "trashcan"). I already have two Pertec-capable projects, and I'm
> looking for something to help me bootstrap those rather than a third
> similar project. So either getting a SCSI magtape drive or a SCSI to
> Pertec bridge should get me there more easily.
Okay, I understand that. I use an old Chi ISA-bus controller for my
Pertec IF drives. It works okay, but without detailed internals, it's
hard to write a really good driver for it.
> It's delightful for one, that's how! Think you might make more than
> one of them, or share the plans? It sounds like something I could
> potentially use! I've considered making something like that myself,
> but I have so many such ideas that I am happy to let other folks make
> some of them for me. :)
It's sort of strange design, but what I wanted to do was approach the
problem step-wise. So I've got an XC95108 CPLD consolidating the IF to
a simple 8-bit wishbone bus affair. I'm currently using a PIC32MX795 to
interface with that and provide the USB interface, but too much CPU and
too little memory. A small ARM MCU would probably be better suited to
Anyway, a work in progress...
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