DECtalk-PC Schematic

2019-03-02 Thread Kyle Owen via cctalk
Hi all, I recently got one of these DECtalk-PC ISA cards from eBay ( https://www.ebay.com/itm/183684666377, no affiliation with seller other than a happy customer) and was wondering, does anyone have a schematic for this? Thanks! Kyle

Re: Hayes Smartmodem 1200 firmware dumped:

2019-03-02 Thread Joseph Zatarski via cctalk
On 3/2/19 6:34 PM, Ethan Dicks wrote: On Sat, Mar 2, 2019 at 4:16 PM Joseph Zatarski via cctalk wrote: The files are attached to this email... They are not. This list doesn't support attachments. -ethan I swear that I have gotten cctalk digests with attached files in the past, but

Re: Hayes Smartmodem 1200 firmware dumped:

2019-03-02 Thread Ethan Dicks via cctalk
On Sat, Mar 2, 2019 at 4:16 PM Joseph Zatarski via cctalk wrote: > The files are attached to this email... They are not. This list doesn't support attachments. -ethan

KA650 VAX memory error

2019-03-02 Thread Joseph Zatarski via cctalk
On Sat, Mar 2, 2019 at 3:16 PM Glen Slick via cctalk wrote: On Sat, Mar 2, 2019 at 12:02 PM Joseph Zatarski via cctalk http://www.classiccmp.org/mailman/listinfo/cctalk>> wrote: //>>/On a somewhat related note, I don't suppose anybody knows or has />>/documentation on the pinout of the C/D

Re: KA650 VAX memory error

2019-03-02 Thread Glen Slick via cctalk
On Sat, Mar 2, 2019 at 12:02 PM Joseph Zatarski via cctalk wrote: > > On a somewhat related note, I don't suppose anybody knows or has > documentation on the pinout of the C/D interconnect on these RAM boards? > The pinout for the ribbon cable is in the manual, but the C/D > interconnect doesn't

Hayes Smartmodem 1200 firmware dumped:

2019-03-02 Thread Joseph Zatarski via cctalk
Hello again Everyone, Last night my roommate and I worked on dumping the Hayes Smartmodem 1200 firmware so that we could attempt a repair on another modem. This other modem had a dead EPROM, a dead ROMless Z8, a dead CD4069, and a dead 'SR0075' (custom marked Hayes part with Zilog logo on

KA650 VAX memory error

2019-03-02 Thread Joseph Zatarski via cctalk
Hello Everyone, I've got a KA650 with a MS650-AA 8MB memory module. When we initially started messing with this VAX, it was giving a memory error. We were able to track down first the bad bank, and later the individual bad ZIP RAMs with the help of my logic analyzer. For now, I kludged an

HP logic analyzer QFP132 interposer and DSD-4140 microcode ROMs

2019-03-02 Thread Joseph Zatarski via cctalk
Hello everyone, I've got two unrelated things I'm looking for: The first is an HP logic analyzer interposer for the emulation adapter for an MC68332. This would have a PGA socket on it, and sort of a reverse socket for the QFP132 package (attaches to a chip from the top, to interface to a

UK: FF : 2 x Sun Enterprise M4000

2019-03-02 Thread silvercreekvalley via cctalk
Hi all I have a couple of near identical Sun Enterprise M4000 servers fitted with SPARC64 VI 2.1GHz CPUs, 16GB and I think 2 x 146GB disks. I *think* these are working but have never powered them up. I purchased them surplus a year or so ago. Available free of charge to any Sun fans - these