[cctalk] Re: Talking PDP11

2023-07-10 Thread Jon Elson via cctalk
On 7/10/23 11:19, Douglas Taylor via cctalk wrote: I'm looking to see if it possible to do something similar.  Just blasting raw 12bit samples from memory out the D/A board. A fine point would be to use the KWV11-C realtime clock board for the sample rate control.  No interrupts, just

[cctalk] Re: OLD ftp.compaq.com Mirror?

2023-07-10 Thread Ali via cctalk
> I am surprised the original Compaq diagnostics for 5 1/4"- native > systems > and early DOS and even OS/2 are not someplace Bill, I think those are out there. I believe the last version for DOS was 8.x and that is in the first 500 Softpaqs. I can find the exact number for you if you are

[cctalk] Re: OLD ftp.compaq.com Mirror?

2023-07-10 Thread Ali via cctalk
> I can't help with the mirror, but maybe I can help with the old > spinning > plastic that I have related to ProLiants and / or StorageWorks stuff. > > Please clarify what you're looking for and I'll see if anything I have > is germane. Hi Grant, I am currently looking for the following:

[cctalk] Re: OLD ftp.compaq.com Mirror?

2023-07-10 Thread Bill Degnan via cctalk
I am surprised the original Compaq diagnostics for 5 1/4"- native systems and early DOS and even OS/2 are not someplace On Mon, Jul 10, 2023, 1:07 PM John H. Reinhardt via cctalk < cctalk@classiccmp.org> wrote: > I just found this the other day, but I see the update date in in 2014 so > it may

[cctalk] Re: OLD ftp.compaq.com Mirror?

2023-07-10 Thread Grant Taylor via cctalk
On 7/10/23 10:54 AM, Ali wrote: Hello All, Hi, I am looking for some old documentation and firmware for Compaq switches and Tape Libraries but if anyone has a full set of files I am happy to add them to a mirror. TIA! I can't help with the mirror, but maybe I can help with the old spinning

[cctalk] Re: OLD ftp.compaq.com Mirror?

2023-07-10 Thread Ali via cctalk
> I just found this the other day, but I see the update date in in 2014 > so it may not be of use. > > http://ftp.zx.net.nz/cgi-bin/archive-mirror John, Thanks. Actually I have been talking to David (the maintainer/owner of that mirror) and he doesn't have those files either. > > There is

[cctalk] Re: OLD ftp.compaq.com Mirror?

2023-07-10 Thread John H. Reinhardt via cctalk
I just found this the other day, but I see the update date in in 2014 so it may not be of use. http://ftp.zx.net.nz/cgi-bin/archive-mirror There is some info about libraries under the Storageworks folder. https://ftp.zx.net.nz/pub/archive/ftp.compaq.com/pub/products/storageworks/ -- John H.

[cctalk] Re: Talking PDP11

2023-07-10 Thread Paul Koning via cctalk
> On Jul 10, 2023, at 12:19 PM, Douglas Taylor via cctalk > wrote: > > I'm looking to see if it possible to do something similar. Just blasting raw > 12bit samples from memory out the D/A board. > A fine point would be to use the KWV11-C realtime clock board for the sample > rate control.

[cctalk] Re: Talking PDP11

2023-07-10 Thread Douglas Taylor via cctalk
I'm looking to see if it possible to do something similar.  Just blasting raw 12bit samples from memory out the D/A board. A fine point would be to use the KWV11-C realtime clock board for the sample rate control.  No interrupts, just polling. Harder is taking an existing MPG or WAV audio clip

[cctalk] OLD ftp.compaq.com Mirror?

2023-07-10 Thread Ali via cctalk
Hello All, I am wondering if anyone has a private or knows of a mirror for ftp.compaq.com that is older than 2014? All the ones I have found online, including the file at archive.org, are from 2014. By then a number of files and directories had been purged e.g. "/pub/supportinformation/techpubs"

[cctalk] Re: Talking PDP11

2023-07-10 Thread Sellam Abraham via cctalk
On my Apple ] [ with 48k memory I used to be able to sample audio from the cassette port and store about 30 seconds of audio that was fairly decent quality upon playback. With a 1MB RAM board installed I was able to sample the entire ~5 minutes of Led Zeppelin's Over The Hills And Far Away from

[cctalk] Re: Talking PDP11

2023-07-10 Thread Paul Koning via cctalk
> On Jul 9, 2023, at 9:19 PM, Douglas Taylor via cctalk > wrote: > > Wow! Actual engineers responding... > > It looks like I could only do the most rudimentary audio. > > 1. Sample Rate: You got maybe 20K samples to store in lower memory. At 7KHz > sample rate that would allow 3 seconds

[cctalk] Re: Talking PDP11

2023-07-10 Thread Mike Katz via cctalk
Doug, You could also do some kind synthesizer using fixed frequencies and pulse width modulation. It would not be that difficult to add attack and decay and even be polyphonic. You could either use the keyboard for single tone with different keys to change the PWM, Attack, Decay, white

[cctalk] A from-scratch PDP 11 OS - ruos

2023-07-10 Thread Alan Kirby via cctalk
A friend suggested that some in this group may have an interest in this. ruos stands for Retro Useless Operating System ruos is an OS for the long-obsolete PDP11/70 from Digital Equipment Corporation. ruos runs on the simh simulator for that machine. It was written completely from scratch in C

[cctalk] Re: 1-click exploits was Re: BEWARE: Phishing

2023-07-10 Thread geneb via cctalk
On Sun, 9 Jul 2023, Todd Pisek via cctalk wrote: Be aware that clicking on a malicious url can result on malware or spyware being installed on your machine without any further action on your part. All browsers have vulnerabilities. The most famous of these was the older version of Pegasus by