Sound Box internal connectors

[David Evans]

I realise I am about a decade late in asking this, but I just now opened
my non-ADB sound box. Any idea what the 9-pin header connector inside is
for? I didn't find much in a brief perusal of the archives.

--
David Evans dfevans@bbcr.uwaterloo.ca
Ph.D. Candidate, Computer/Synth Junkie http://bbcr.uwaterloo.ca/~dfevans/
University of Waterloo "Default is the value selected by the composer
Ontario, Canada overridden by your command." - Roland TR-707 Manual

[J Edwards]

It's the same board as in the old monitors (N4000A). Raw video comes
out the RCA connecter next to that header, and the header has voltage
and sync for the monitor tube.

I've got the info to hook that header and the RCA plug to a VGA port
that will work with a multisync, I'll try to dig it out over the
weekend.

-j

dfevans@bcr10.uwaterloo.ca (David Evans) wrote in message news:<bqm2f9$2e0$1@rumours.uwaterloo.ca>... I realise I am about a decade late in asking this, but I just now opened my non-ADB sound box. Any idea what the 9-pin header connector inside is for? I didn't find much in a brief perusal of the archives.

[David Evans]

In article <c69c4153.0312052131.44d46a2e@posting.google.com>,
J Edwards <klein_bottle@hotmail.com> wrote:It's the same board as in the old monitors (N4000A). Raw video comesout the RCA connecter next to that header, and the header has voltageand sync for the monitor tube.

Cool, thanks.
I've got the info to hook that header and the RCA plug to a VGA portthat will work with a multisync, I'll try to dig it out over theweekend.

I have an ND, so I'm not pining for graphics. I was just wondering
what the connector did.

However, one of the hex standoffs snapped off while I was re-assembling
the box, so now I have only one. Arrgh!

--
David Evans dfevans@bbcr.uwaterloo.ca
Ph.D. Candidate, Computer/Synth Junkie http://bbcr.uwaterloo.ca/~dfevans/
University of Waterloo "Default is the value selected by the composer
Ontario, Canada overridden by your command." - Roland TR-707 Manual

[Guest]

Just for the records:

http://lucy.ifi.unibas.ch/Groups/Staff/frank/NeXTInfo/MonitorPinOut

Robert

dfevans@bcr10.uwaterloo.ca (David Evans) wrote: In article <c69c4153.0312052131.44d46a2e@posting.google.com>, J Edwards <klein_bottle@hotmail.com> wrote:It's the same board as in the old monitors (N4000A). Raw video comesout the RCA connecter next to that header, and the header has voltageand sync for the monitor tube. Cool, thanks.I've got the info to hook that header and the RCA plug to a VGA portthat will work with a multisync, I'll try to dig it out over theweekend. I have an ND, so I'm not pining for graphics. I was just wondering what the connector did. However, one of the hex standoffs snapped off while I was re-assembling the box, so now I have only one. Arrgh! -- David Evans
dfevans@bbcr.uwaterloo.ca Ph.D. Candidate, Computer/Synth Junkie
http://bbcr.uwaterloo.ca/~dfevans/ University of Waterloo "Default is the value selected by the
composer Ontario, Canada overridden by your command." - Roland TR-707
Manual

--
Departement Informatik tel +41 (0)61 267 14 66
Universitaet Basel fax. +41 (0)61 267 14 61
Robert Frank
Klingelbergstrasse 50 Robert.Frank@unibas.ch (NeXT,MIME mail ok)
CH-4056 Basel (remove any no_spam_ from my return address)
Switzerland http://www.informatik.unibas.ch/personen/frank_r.html

[David Evans]

In article <3fd827d9$1@maser.urz.unibas.ch>,
<Robert.Frank@ifi.unibas.ch> wrote:Just for the records:http://lucy.ifi.unibas.ch/Groups/Staff/frank/NeXTInfo/MonitorPinOut

Thanks a lot. I know that I've seen that info around before, but of
course I couldn't remember where.

--
David Evans dfevans@bbcr.uwaterloo.ca
Ph.D. Candidate, Computer/Synth Junkie http://bbcr.uwaterloo.ca/~dfevans/
University of Waterloo "Default is the value selected by the composer
Ontario, Canada overridden by your command." - Roland TR-707 Manual

[rick]

Speaking of the sound box, does anyone know what the sound box (as well
as the board inside the N4000As) did that kept the machine from
panicking when you try to run the windowserver?

I was trying to set up a mono slab as a headless print server last
weekend. I'd just repaired the roller (thanks, Randy) and was testing
printing while in headless mode before moving it when I noticed the
machine seemed to have frozen. (Oddly enough, the NetBSD docs (google's
top hits for "nextstation headless") don't mention commenting out the
windowserver line at all...). I checked the local old hardware sources
for a sound box on the cheap, but there seems to be a dearth of NeXT
equipment at the moment.

Did anyone ever figure out which signal from the monitor/sound box is
required for the WindowServer to run? And what's on this board, anyway?
Any schematics, or even photos? Assuming the MON DATA IN pin is the
key, does anyone know what that signal is supposed to look like?

In short, I'm looking for a way to drive the printer, either with the
equipment I've got (without destroying my one working monitor), or with
some simple additional circuitry to fool the slab. Any information is
appreciated.

thanks in advance,
rick

--
Actually, that address isn't fake, I'm just curious to see how much spam
comes from posting to USENET these days.

[David Evans]

In article <vRZNb.11807$nx1.465@newssvr27.news.prodigy.com>,
rick <fakeaddress3@superhallway.com> wrote:Speaking of the sound box, does anyone know what the sound box (as wellas the board inside the N4000As) did that kept the machine frompanicking when you try to run the windowserver?

I think that it tries to talk to the D/A converters in the sound box
or the keyboard and gets all sad if it can't.
Did anyone ever figure out which signal from the monitor/sound box isrequired for the WindowServer to run? And what's on this board, anyway?Any schematics, or even photos?

Here are some bad photos that I just gook:

http://bbcr.uwaterloo.ca/~dfevans/NeXTSoundBox/

Can't help otherwise.

--
David Evans dfevans@bbcr.uwaterloo.ca
Ph.D. Candidate, Computer/Synth Junkie http://bbcr.uwaterloo.ca/~dfevans/
University of Waterloo "Default is the value selected by the composer
Ontario, Canada overridden by your command." - Roland TR-707 Manual

[older one]

n article <vRZNb.11807$nx1.465@newssvr27.news.prodigy.com>,
rick <fakeaddress3@superhallway.com> wrote:Speaking of the sound box, does anyone know what the sound box (as wellas the board inside the N4000As) did that kept the machine frompanicking when you try to run the windowserver?

Long ago someone posted a set of circuit diagrams for one (or possibly more)
0f the NeXT machines. Unfortunately, I seem to have discarded my copy, and
I couldn't find the post on google. The file still may exist in the peanuts
archive, or perhaps someone else still has a copy..