[Simh] [HECnet] TOPS-20 V4.1 DECnet

[simh at swabhawat.com]

Hi,

that story is already old; MRC presented it as the Tops-20 V4.2.
That software never has been found.
But if the real problem is Tops20 on Decnet, a KLH10 from Ken Harrenstein
runs Tops20-7.1 on a 4 MW KL10 processor in a Linux environment ant
cooperates with Simh Vax, Pdp11 Rsx11MP46, Rsts-E-10.1L and other Pdp10
systems though Ethernet/sync line router systems.
Works like a charm. 
Same thing holds for Tops10-705 on Klh10 with Ethernet functionality

Best regards,

Reindert

-----Original Message-----
From: simh-bounces at trailing-edge.com [mailto:simh-bounces at trailing-edge.com]
On Behalf Of Cory Smelosky
Sent: Friday, May 02, 2014 19:32
To: hecnet at Update.UU.SE
Cc: simh at trailing-edge.com
Subject: Re: [Simh] [HECnet] TOPS-20 V4.1 DECnet

On Fri, 2 May 2014, Peter Lothberg wrote:

>> Looks like there's no DMC on the PDP-10, no DMC OR KDP on the 
>> MicroVAX, and no KDP on the VAX780.
>>
>> However, the PDP-11 has the DUP.  Looks like I can use that as the 
>> go-between.
>
>
> MRC with the help of Stu Grosman did a phase 4 port to KS tops20. It 
> uses teh KMC/DUP, but has a limitation, as there was not enough memory 
> left, all buffers had to be in one page, the decnet MTU is not 576 but
> 376 or something like that. This does not matter unless you have two 
> interfaces and try to be a transit node. (it can be routein-iv).
>

Any idea where I can find this Phase IV port?

> It speaks DDCMP on the CYNC interface, so anything that speaks DDCMP 
> can talk to it, DUP,DQ, DMC DMR ...
>
> -P
>

--
Cory Smelosky
http://gewt.net Personal stuff
http://gimme-sympathy.org Projects
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