Topic and Off-Topic Posts
>> <cctalk@classiccmp.org>
>> Cc: 'Paul Koning' <paulkon...@comcast.net>
>> Subject: Manx [Was: Re: DEC Pro 350/380 Memory Cards -
>> Interchangeability?]
>>
>> On Mon, Aug 29, 2016 at 05:38:02PM +0100, Rob Jarratt wrote:
>>
; Subject: Manx [Was: Re: DEC Pro 350/380 Memory Cards -
> Interchangeability?]
>
> On Mon, Aug 29, 2016 at 05:38:02PM +0100, Rob Jarratt wrote:
> >
> > but Manx seems to be in the process of being relocated
> >
>
> Hasn't Manx been in that state for ages?
>
On Mon, Aug 29, 2016 at 05:38:02PM +0100, Rob Jarratt wrote:
>
> but Manx seems to be in the process of being relocated
>
Hasn't Manx been in that state for ages?
/P
I wrote:
> Mouser has some in
> stock, e.g., the IS41C16105-50KLI in SOJ-42 package at $7.20 each
> (quantity one) or the IS41C16105-50TLI in TSOP-44 package at $7.02
> each (quantity one).
On Fri, Sep 2, 2016 at 12:44 PM, Paul Koning wrote:
> The ISSI memory calls itself
> On Sep 2, 2016, at 3:05 PM, Ethan Dicks wrote:
>
> On Fri, Sep 2, 2016 at 2:44 PM, Paul Koning wrote:
>> Incidentally, the Pro technical manual says that the daughterboard can be up
>> to 2 MB (but DEC only offers 512 kB). It doesn't say how
On Fri, Sep 2, 2016 at 2:44 PM, Paul Koning wrote:
> Incidentally, the Pro technical manual says that the daughterboard can be up
> to 2 MB (but DEC only offers 512 kB). It doesn't say how that is done. It
> looks like the answer is that there are four RAS signals, so
> On Sep 1, 2016, at 12:56 AM, Eric Smith wrote:
>
> On Wed, Aug 31, 2016 at 6:42 AM, Paul Koning wrote:
>> Yes, the one I saw when I made that comment is an MSM51V18165F by Lapis, a
>> 1M by 16 "fast page mode" EDO DRAM.
>
> If it's EDO, it may
On Wed, Aug 31, 2016 at 6:42 AM, Paul Koning wrote:
> Yes, the one I saw when I made that comment is an MSM51V18165F by Lapis, a 1M
> by 16 "fast page mode" EDO DRAM.
If it's EDO, it may not be compatible with systems that weren't
designed for EDO, and since none of the
> On Aug 30, 2016, at 8:15 PM, Eric Smith wrote:
>
> On Tue, Aug 30, 2016 at 1:28 PM, Paul Koning wrote:
>> Another possibility would be a current (not surplus) DRAM device such as a
>> 1M x 16 chip, plus a couple of level shifters to go between the
On Tue, Aug 30, 2016 at 1:28 PM, Paul Koning wrote:
> Another possibility would be a current (not surplus) DRAM device such as a 1M
> x 16 chip, plus a couple of level shifters to go between the 3.3 V it likes
> and the 5V logic of the Pro.
WARNING: Most recent 1Mx16
> On Aug 30, 2016, at 2:58 PM, Mattis Lind wrote:
>
>> ...
>
> There are 256 k chips (Intel & TI) available from a Swedish surplus
> seller. Similar type of chips show up on Ebay as well, for example this
> listing http://www.ebay.com/itm/111748975992
Another
>
> >> I misremembered the 350 (I don't have one): it can have memory in the
> I/O
> >> card cage, but it also has memory daughter cards, two of them, with 40
> pin
> >> connectors.
> >>
> > Many years ago I upgraded those daughter cards and changed them from
> using
> > 64kbit chips to 256 kbit
> On Aug 30, 2016, at 3:07 AM, Mattis Lind wrote:
>
>>
>> I misremembered the 350 (I don't have one): it can have memory in the I/O
>> card cage, but it also has memory daughter cards, two of them, with 40 pin
>> connectors.
>>
> Many years ago I upgraded those daughter
>
> I misremembered the 350 (I don't have one): it can have memory in the I/O
> card cage, but it also has memory daughter cards, two of them, with 40 pin
> connectors.
>
>
>
Many years ago I upgraded those daughter cards and changed them from using
64kbit chips to 256 kbit chips. I don't remember
> On Aug 29, 2016, at 6:27 PM, Rob Jarratt wrote:
>
> ...
> Thanks, I see that now. Definitely no compatibility :-(. Just need that
> logic analyser really to work out what is the matter with them both. When
> the 380 doesn't have the daughter board installed it
> -Original Message-
> From: Paul Koning [mailto:paulkon...@comcast.net]
> Sent: 29 August 2016 18:10
> To: r...@jarratt.me.uk
> Cc: General Discussion: On-Topic and Off-Topic Posts
> <cctalk@classiccmp.org>
> Subject: Re: DEC Pro 350/380 Memory
Hello Rob,
I think I found a link:
http://vaxhaven.com/images/a/a7/EK-PC380-PS-003.pdf
Andrea
-Original Message-
From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul Koning
Sent: Monday, August 29, 2016 1:10 PM
To: r...@jarratt.me.uk
Cc: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: DEC Pro 350/380 Memory Cards - Interchangeability?
I have
n: On-Topic and Off-Topic Posts
>> <cctalk@classiccmp.org>
>> Subject: Re: DEC Pro 350/380 Memory Cards - Interchangeability?
>>
>>
>>> On Aug 28, 2016, at 5:11 PM, Rob Jarratt <robert.jarr...@ntlworld.com>
>> wrote:
>>>
>>> I have a
> -Original Message-
> From: Paul Koning [mailto:paulkon...@comcast.net]
> Sent: 29 August 2016 15:08
> To: r...@jarratt.me.uk; General Discussion: On-Topic and Off-Topic Posts
> <cctalk@classiccmp.org>
> Subject: Re: DEC Pro 350/380 Memory Cards - Interchangeabil
> -Original Message-
> From: Paul Koning [mailto:paulkon...@comcast.net]
> Sent: 29 August 2016 15:08
> To: r...@jarratt.me.uk; General Discussion: On-Topic and Off-Topic Posts
> <cctalk@classiccmp.org>
> Subject: Re: DEC Pro 350/380 Memory Cards - Interchangeabil
> -Original Message-
> From: Paul Koning [mailto:paulkon...@comcast.net]
> Sent: 29 August 2016 15:08
> To: r...@jarratt.me.uk; General Discussion: On-Topic and Off-Topic Posts
> <cctalk@classiccmp.org>
> Subject: Re: DEC Pro 350/380 Memory Cards - Interchangeabil
> On Aug 28, 2016, at 5:11 PM, Rob Jarratt wrote:
>
> I have a 350 and 380. Neither work. The 380 is reporting a possible memory
> error on the LEDs. Will the 350's memory work in a 380 (or vice versa)?
The 380 has memory on the motherboard, and a model-specific
I have a 350 and 380. Neither work. The 380 is reporting a possible memory
error on the LEDs. Will the 350's memory work in a 380 (or vice versa)?
Regards
Rob
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