2 Feb
2006
2 Feb
'06
8:48 a.m.
ebay item #8760295547, prototyping board
Card edge connector with 44 contacts, 22 per side, 0.156" spacing
Is this STD bus? I'm not planning on buying it, I was just
curious :)
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2 Feb
2 Feb
12:52 p.m.
On 2/2/2006 at 6:48 AM Richard wrote:
ebay item #8760295547, prototyping board
Card edge connector with 44 contacts, 22 per side, 0.156" spacing
Is this STD bus? I'm not planning on buying it, I was just
curious :)
Not STD bus, but pretty ubiquitous as a prototyping item for a long time--I
don't think Vector ever gave a specific name to its application. I
remember installing a sub-card cage in my Altair 8800 with some of these
(and a regulated +5v line) to give me an easy way to try out small circuits
without going through the expense and rigamarole of a full sized S-100
prototyping card.
Cheers,
Chuck
1:52 p.m.
On Thursday 02 February 2006 08:48 am, Richard wrote:
ebay item #8760295547, prototyping board
Card edge connector with 44 contacts, 22 per side, 0.156" spacing
Is this STD bus? I'm not planning on buying it, I was just
curious :)
STD bus is, IIRC, 56 contacts, I don't recall the spacing offhand but that
might be it. Those 44-pin connectors were *real* common for a while, you
could even buy them at radio shack and I even have some of those boards still
new in the packaging. I also have a rackmount case with a card cage for
those that I haven't decided what I'm going to do with it yet. 44 pins
really isn't quite enough for a bus, unfortunately, not if you want all
address and data lines running through it and enough control lines...
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Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
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3:34 p.m.
On 2/2/2006 at 1:52 PM Roy J. Tellason wrote:
new in the packaging. I also have a rackmount case
with a card cage for
those that I haven't decided what I'm going to do with it yet. 44 pins
really isn't quite enough for a bus, unfortunately, not if you want all
address and data lines running through it and enough control lines...
In the case of my MITS setup, the signals were pretty simple--8 I/O address
lines, 16 data lines (IN/OUT) and decoded IORead and IOWrite. +5 and +/-12
power lines and the rest were grounded. There wasn't a ground for every
signal, but given the speeds it worked at, it was fine.
-Chuck
7:34 p.m.
In article <200602021352.27756.rtellason at blazenet.net>,
"Roy J. Tellason" <rtellason at blazenet.net> writes:
[...] 44 pins
really isn't quite enough for a bus, unfortunately, not if you want all
address and data lines running through it and enough control lines...
Assuming your data paths are parallel. What if you used high speed
serial data paths?
--
"The Direct3D Graphics Pipeline"-- code samples, sample chapter, FAQ:
<http://www.xmission.com/~legalize/book/>
Pilgrimage: Utah's annual demoparty
<http://pilgrimage.scene.org>
8:28 p.m.
>>> what bus is this for?
The #38 uptown to the Bronx.
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-bounces at classiccmp.org]
On Behalf Of Richard
Sent: Thursday, February 02, 2006 7:35 PM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: what bus is this for?
In article <200602021352.27756.rtellason at blazenet.net>,
"Roy J. Tellason" <rtellason at blazenet.net> writes:
[...] 44 pins
really isn't quite enough for a bus, unfortunately, not if you want
all address and data lines running through it and enough control lines...
Assuming your data paths are parallel. What if you used high speed serial
data paths?
--
"The Direct3D Graphics Pipeline"-- code samples, sample chapter, FAQ:
<http://www.xmission.com/~legalize/book/>
Pilgrimage: Utah's annual demoparty
<http://pilgrimage.scene.org>
8:31 p.m.
----- Original Message -----
From: "'Computer Collector Newsletter'" <news at
computercollector.com>
To: "'General Discussion: On-Topic and Off-Topic Posts'"
<cctalk at classiccmp.org>
Sent: Thursday, February 02, 2006 8:28 PM
Subject: RE: what bus is this for?
I was tempted to say the short yellow one.
>>>
what bus is this for?
The #38 uptown to the Bronx.
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