> On Mar 26, 2017, at 3:58 PM, Noel Chiappa via cctalk
> wrote:
>
>> From: Bill Gunshannon
>
>> I doubt Motorolla was in the business of custom making different size
>> chips, even for DEC.
>
> So, that triggered a question in my mind: why was DEC using the 68K on this
> board, anyway? They h
> From: Bill Gunshannon
> I doubt Motorolla was in the business of custom making different size
> chips, even for DEC.
So, that triggered a question in my mind: why was DEC using the 68K on this
board, anyway? They had plenty of in-house chips the could have used, e.g.
the J11. The MC
On 03/24/2017 04:02 PM, Paul Koning via cctalk wrote:
>> On Mar 24, 2017, at 1:40 PM, allison via cctalk
>> wrote:
>>
>> ...
>> The 68K came in two major forms one was 16 bit bus the other was 8bit bus.
> Isn't that the 68008?
Ah yes. Its still logical 68K and the 8bit bus form.
Allison
>
> On Mar 24, 2017, at 1:40 PM, allison via cctalk wrote:
>
> ...
> The 68K came in two major forms one was 16 bit bus the other was 8bit bus.
Isn't that the 68008?
paul
On 03/24/2017 01:19 PM, John Wilson via cctalk wrote:
> On Fri, Mar 24, 2017 at 12:44:37PM -0400, Noel Chiappa via cctalk wrote:
>> So all the DEUNA's I've seen have L10 (ceramic package, 10Mhz) 68K's in them.
>> Has anyone tried using anything else, and did it work?
>>
>> I _assume_ an x12 would w
On 03/24/2017 12:44 PM, Noel Chiappa via cctalk wrote:
> So all the DEUNA's I've seen have L10 (ceramic package, 10Mhz) 68K's in them.
> Has anyone tried using anything else, and did it work?
>
> I _assume_ an x12 would work, but until someone has acutally tried it...
>
> The Pxx's (plastic packagi
On 2017-Mar-24, at 11:06 AM, Paul Koning via cctalk wrote:
> Which makes sense; DIP packages (independent of material) are designed to a
> small set of standard dimensions. 0.1 inch lead pitch, pin spacing 0.300 or
> 0.400 or 0.600 or similar round numbers.
One (perhaps the singular) exceptio
> From: Bill Gunshannon
> Considering that I have never seen any sockets that were 2mm different
> in width ... I really can't imagine any CPU not fitting.
I think you're right. I took another look at the drawing, and I'd been looking
at the package width dimension: there's also a sep
lassiccmp.org
> Cc: j...@mercury.lcs.mit.edu
> Subject: Re: MC68K's on DEUNA's
>
> > From: John Wilson
>
> > I think this is DELUA?
>
> Yes, that's right - sorry!
>
> > I'm getting old ... could have it wrong.
>
> No, _I_
> On Mar 24, 2017, at 12:44 PM, Noel Chiappa via cctalk
> wrote:
>
> So all the DEUNA's I've seen have L10 (ceramic package, 10Mhz) 68K's in them.
> Has anyone tried using anything else, and did it work?
>
> I _assume_ an x12 would work, but until someone has acutally tried it...
>
> The Pxx'
From: cctalk [cctalk-boun...@classiccmp.org] on behalf of Noel Chiappa via
cctalk [cctalk@classiccmp.org]
Sent: Friday, March 24, 2017 1:43 PM
To: cctalk@classiccmp.org
Cc: j...@mercury.lcs.mit.edu
Subject: Re: MC68K's on DEUNA's
> From
> From: John Wilson
> I think this is DELUA?
Yes, that's right - sorry!
> I'm getting old ... could have it wrong.
No, _I_'m the one who's getting old! (But in this case, that's not it - I
always get the names of those two mixed up!)
> I'd be inclined to just try it.
I hadn't
On Fri, Mar 24, 2017 at 12:44:37PM -0400, Noel Chiappa via cctalk wrote:
>So all the DEUNA's I've seen have L10 (ceramic package, 10Mhz) 68K's in them.
>Has anyone tried using anything else, and did it work?
>
>I _assume_ an x12 would work, but until someone has acutally tried it...
I don't know,
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