Re: M9301-YB ROM flaky

2017-07-04 Thread Fritz Mueller via cctalk
Well, the situation had worsened on my M9301 to the point where every single word was affected, and then it was easy to see that it was always in the least-significant four bits. So I pulled and reseated that PROM, then went ahead and did the other three as well for good measure (really should

RE: tape baking

2017-07-04 Thread Rob Jarratt via cctalk
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Glen Slick > via cctalk > Sent: 05 July 2017 03:12 > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: tape baking > > After you got the TK50 tapes and the

Free if you pick them up: Byte, Dr. Dobbs, People’s Computers, FORTH Dimensions, MacWorld, ...

2017-07-04 Thread Paul McJones via cctalk
If you can pick these up at my home in Mountain View, CA you are welcome to them. BYTE 1975-1976: #1, #2, #4, #5, #8, #9, #10, #11, #12, #13, #14, #15, #16 1977 V2 #1-#12 1978 V3 #1-#3 1979 V4 #8 LISP 1980 V5 #8 FORTH 1981 V6 #8 SMALLTALK 1982 V7 #8 LOGO 1983 V8 #8 C 1984 V9 #8 MODULA-2 1985 V10

Re: tape baking

2017-07-04 Thread Glen Slick via cctalk
After you got the TK50 tapes and the TZ30 drive working together, what computer system and software utilities did you use to recover the data from the tapes? Did you first recover the data into a format that preserved blocking information such as SIMH .TAP format? (

OS "update" will screw you (Was: Windows 10 recent creator release may take your printer out. I am really irri

2017-07-04 Thread Fred Cisin via cctalk
Windows 10 recent creator release may take your printer out. On Tue, 4 Jul 2017, Torfinn Ingolfsen via cctalk wrote: FWIW, this is nothing new with Windows: when the switch from Windows 2000 to XP happened, a lot of HP printer owners (I don't know if it was limited to HP, sorry) was stuck

Re: Windows 10 recent creator release may take your printer out. I am really irri

2017-07-04 Thread Torfinn Ingolfsen via cctalk
On Mon, Jul 3, 2017 at 7:47 PM, Ed via cctalk wrote: > > Windows 10 recent creator release may take your printer out. FWIW, this is nothing new with Windows: when the switch from Windows 2000 to XP happened, a lot of HP printer owners (I don't know if it was limited to

Re: M9301-YB ROM flaky

2017-07-04 Thread Fritz Mueller via cctalk
Hi folks, thanks for all the help! > On Jul 4, 2017, at 8:34 AM, Noel Chiappa via cctalk > wrote: > >> I see a few words with different values than the ones that Noel has >> listed in his partial M9301-YB disassembly. > > Any chance you could send in some of the

Re: M9301-YB ROM flaky

2017-07-04 Thread Al Kossow via cctalk
I pulled out the M9301 and M9302 drawings from the set and uploaded them to bitsavers dec/unibus On 7/4/17 8:34 AM, Noel Chiappa via cctalk wrote: > As Mattis says, they are in the 11/04 drawings (MP00019). But I'm a bit > puzzled why you didn't find them online; I have a page, "'Missing'

Re: M9301-YB ROM flaky

2017-07-04 Thread william degnan via cctalk
> > > > > I may also have a go at writing a program I can toggle in to read the > > contents of my failing M9301 and dump them out over the console > serial > > to enable a systematic comparison > > Let me find the one I wrote, and upload it. > > Noel > I have a 9301-YB and

Re: M9301-YB ROM flaky

2017-07-04 Thread Noel Chiappa via cctalk
> From: Fritz Mueller > A question for Noel if he's listening here You rang? :-) > how did you obtain your YB listing I plugged one in, and ran a small program that dumped the contents to the serial port. > would you consider it reliable? Reasonably. If there was bit-rot in

RE: tape baking

2017-07-04 Thread Rob Jarratt via cctalk
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel > Chiappa via cctalk > Sent: 04 July 2017 15:53 > To: cctalk@classiccmp.org > Cc: j...@mercury.lcs.mit.edu > Subject: Re: tape baking > > > From: Al Kossow > > > You need moving air,

Re: tape baking

2017-07-04 Thread Al Kossow via cctalk
On 7/4/17 7:53 AM, Noel Chiappa via cctalk wrote: > > From: Al Kossow > > > You need moving air, though. > > I'm not sure how you do that well in a TK50 style cartridge. > > Hmm, maybe not? I start with the need for moving air - which I do not > dispute, just wondering what the

Re: tape baking

2017-07-04 Thread Noel Chiappa via cctalk
> From: Al Kossow > You need moving air, though. > I'm not sure how you do that well in a TK50 style cartridge. Hmm, maybe not? I start with the need for moving air - which I do not dispute, just wondering what the needed effect is. I don't think it can be removing out-gassed

Re: M9301-YB ROM flaky

2017-07-04 Thread Mattis Lind via cctalk
> > > There is a note in the M9301 Operator’s Manual about the layout of the > PROMs - words split into 4 bit fields programmed in all the PROMs in > “parallel”, lower 8 bits inverted to support extra invert in the switch > circuitry, and higher-addressed bank in the lower-half of the PROMs.

M9301-YB ROM flaky

2017-07-04 Thread Fritz Mueller via cctalk
Hi folks, An M9301-YB bootstrap terminator that I’ve been using during the restoration of a PDP-11/45, which has previously worked fine, now seems to be failing on me. Examining the contents from the front panel I see a few words with different values than the ones that Noel has listed in his

Re: very good news [SPAM discussion, off topic, ignore if not interested]

2017-07-04 Thread jim stephens via cctalk
When I read the headers, for some reason this was passed despite being relayed thru an open relay server IP and this: Yes, score=10.7 required=5.0 in the spam-o-meter. Just playing around over the 4th, and trying to track down how this got thru. However, since the ezwind spam setting was