AB "Multibus"?

2017-05-02 Thread Ken Seefried via cctalk
Are Allen-Bradley Multibus-1 form factor cards actually Multibus compliant or something proprietary? KJ

Re: Looking for TRS-80 Model parts (and/or someone in the Phoenix, AZ area)

2017-05-02 Thread Jim Brain via cctalk
On 5/2/2017 6:07 PM, Peter Cetinski via cctalk wrote: Is the file for the PAL available to program new ones? If the items are not registered, I can read out the equations. Theses PAL equations specifically to allow the 6Mhz board to run Xenix 3 do not exist AFAIK. I do have a PAL

Re: Vaxstation 3100 of odd sort on epay

2017-05-02 Thread Glen Slick via cctalk
On Tue, May 2, 2017 at 5:21 PM, jim stephens via cctalk wrote: > > VINTAGE-DEC-DIGITAL-VT1300-VAXSTATION-VS42A-BB-COMPUTER-SYSTEM-VT-1300-TERMINAL/ > http://www.ebay.com/itm/370912245260 > > It is badged VT-1300 so may not be a vaxstation. And the other box may be > one of

Re: Vaxstation 3100 of odd sort on epay

2017-05-02 Thread Noel Chiappa via cctalk
> From: Jim Stephens > I'm interested in whether this is a wound down or ongoing Dec material > operation, or the operation of an e waste recycler. > Vendor name on ebay is EFI. May have other aliases. Oh, Efi! All hardened DEC collectors know about Efi (well, many of us do :-).

Re: Vaxstation 3100 of odd sort on epay

2017-05-02 Thread jim stephens via cctalk
On 5/2/2017 5:38 PM, Systems Glitch via cctalk wrote: I keep meaning to stop by the guy's shop in MD Please provide photos and info if you would. They have a lot of stuff. I'm interested in whether this is a wound down or ongoing Dec material operation, or the operation of an e waste

Re: Vaxstation 3100 of odd sort on epay

2017-05-02 Thread Systems Glitch via cctalk
I keep meaning to stop by the guy's shop in MD and check out some of his DEC stuff. From what I can tell, this isn't TEMPEST shielding, but RF shielding for e.g. lab situations that require a low RF noise floor. It's probably effectively the same as TEMPEST in practice, but seems to lack the

Vaxstation 3100 of odd sort on epay

2017-05-02 Thread jim stephens via cctalk
This might be a tempest or shielded vaxstation? Anyone speculate or know for sure. The vendor may have these mixed in as equivalent to their other vaxstations. If you search for "DEC vax VS42A-BN" you end up back at the vendors listing for the ones with plastic covers. I didn't turn up

Re: Looking for TRS-80 Model parts (and/or someone in the Phoenix, AZ area)

2017-05-02 Thread Peter Cetinski via cctalk
> Is the file for the PAL available to program new ones? If the items are not > registered, I can read out the equations. Theses PAL equations specifically to allow the 6Mhz board to run Xenix 3 do not exist AFAIK. I do have a PAL upgraded board but have not yet verified if it works. If

Re: IBM 4331 Mainframe

2017-05-02 Thread Carl Claunch via cctalk
> The 4361 is the real gem to get in this type of system. There is a > builtin storage director as well as the 4 port comm controller. The 4331 had an option for an integrated storage director, as well as a feature that converted between CKD and FBA for use with 3340 drives. The system Guy owns

Re: Looking for TRS-80 Model parts (and/or someone in the Phoenix, AZ area)

2017-05-02 Thread Eric Smith via cctalk
On Mon, May 1, 2017 at 12:49 PM, Peter Cetinski via cctalk < cctalk@classiccmp.org> wrote: > The 8mhz [MC68000 for TRS-80 Model 16/6000] boards are similarly unobtanium Is a schematic for the 8 MHz board available? Is there any other tech info about the differences between the original 6 MHz