[pups] How to arrange bootable media for 2.11BSD?

[pino@dohd.org (Martijn van Buul)]

*whoops*. 

I've been mailing personal replies, instead of replies to the list. Too much
relying on procmail, I suppose.

Steven M. Schultz wrote:
 
> 	It is an 11/53 or better (73, 83, 93)?   There were numerous "MicroPDP"
> 	systems made but some of them were 11/23 or 23+ and those will not
> 	run 2.11BSD

It's a 11/53+ (aka: 1.5 MB RAM), which *should* be able to run 2.11BSD.

 
> 	What OS did you manage to get Kermit running under?

Micro/RSX

>	I do not believe Kermit itself can handle the multiple block sizes used
>	when writing the files that make up the "boot tape".   Do you have any
>	development facilities on the currently running system?   If so then it
>	might be possible to write a program to create a tape from the files
>	brought over via kermit.

There is a Macro-assembler, and reportedly a PASCAL compiler. However, my
Micro/RSX skills (let alone -programming skills) should be considered 
rudimentary - the only resource I have is the on-line helpfile (which isn't
very clear every now and then).

> 	If you've a PC with a 5.25" drive and the ability to do image copies
> 	to it ('dd' on a *BSD* or Linux system) that might be one way to
> 	get 2.11 over to the MicroPDP.    A single RX33 can easily hold the
> 	standalone programs (boot, disklabel, restore, mkfs, icheck) and
> 	it only takes 3 or 4 RX33 disks to hold a root filesystem dump.

The "RX33" is working (that's how I was able to low-level format two
MFM disks, and how I got Kermit running). And yes, I have a Minix-VMD box
with a 5.25" HD drive.

For the sake of completeness, I'll include the currently available 
hardware:

KJD11-D/S   (processor), DZQ11, TK50, RQDX3 with one RD32A, a third-party
21MB MFM disk (ST225, RD33? 31? Something like that), a second 21MB
MFM disk standing by (A microscribe of some sort), a 5.25" PC floppy 
drive shoe-horned into a RX33, and a DELQA card.

(Well, that's what I have installed right now. I do have some other cards,
 including a DRV11-J "Hi-density parallell line unit" and some strange
 VG-Electronics cards (which they claim are specific to surface analysis))

And a spare TK50 mechanic..

-- 
    Martijn van Buul -  Pino at dohd.org - http://www.stack.nl/~martijnb/
	 Geek code: G--  - Visit OuterSpace: mud.stack.nl 3333
   Kees J. Bot: The sum of CPU power and user brain power is a constant.

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Date: Tue, 10 Oct 2000 23:20:11 +0200
From: Wilko Bulte <wkb@freebie.demon.nl>
To: Martijn van Buul <pino at dohd.org>
Cc: pups at minnie.cs.adfa.edu.au
Subject: Re: [pups] How to arrange bootable media for 2.11BSD?
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On Mon, Oct 09, 2000 at 03:39:36PM +0200, Martijn van Buul wrote:

> I've about given up hope to create a 2.11 boottape myself[1], so I'm wondering
> what to do next. I have this MicroPDP, with a DELQA network card, a PC
> 5.25" diskdrive shoe-horned into working as RX33 and a TK50 tape drive.
> If it helps: I've managed to get Kermit running on the PDP, but I haven't
> figured out if it is possible to "kermit" to the tapedrive directly. Probably
> not.
> 
> Any hints?

Well... you can borrow one of my TK50s with 2.11 on it ;-)

-- 
Wilko Bulte  	 
wilko at freebsd.org 			Arnhem, the Netherlands

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Subject: Re: [pups] How to arrange bootable media for 2.11BSD?
In-Reply-To: <20001009153936.A18313 at mud.stack.nl> from Martijn van Buul at "Oct
 9, 2000 03:39:36 pm"
From: Mark Green <mark@cs.ualberta.ca>
To: Martijn van Buul <pino at dohd.org>
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> Ahoy!
> 
> I've about given up hope to create a 2.11 boottape myself[1], so I'm wondering
> what to do next. I have this MicroPDP, with a DELQA network card, a PC
> 5.25" diskdrive shoe-horned into working as RX33 and a TK50 tape drive.
> If it helps: I've managed to get Kermit running on the PDP, but I haven't
> figured out if it is possible to "kermit" to the tapedrive directly. Probably
> not.
> 
> Any hints?

If you need a TK50 with 2.11 on it I could produce one for you (provided
that you have jumped through all the license hoops).  The only sticky
point might be shipping, where are you located?  I'm travelling a lot
this month, so it may take a week or so to get it done.

-- 
Dr. Mark Green                                 mark at cs.ualberta.ca
McCalla Professor                              (780) 492-4584
Department of Computing Science                (780) 492-1071 (FAX)
University of Alberta, Edmonton, Alberta, T6G 2H1, Canada

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From: "Steven M. Schultz" <sms@moe.2bsd.com>
Message-Id: <200010110012.RAA13052 at moe.2bsd.com>
To: pups at minnie.cs.adfa.edu.au
Subject: Re: [pups] How to arrange bootable media for 2.11BSD?
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Hi -

> From: Martijn van Buul <pino at dohd.org>
> *whoops*. 
> 
> I've been mailing personal replies, instead of replies to the list. Too much
> relying on procmail, I suppose.

	;)

> It's a 11/53+ (aka: 1.5 MB RAM), which *should* be able to run 2.11BSD.

	Indeed it should be able to.   I personally have not done so but the
	processor/mmu meet all the criteria and 1.5MB is perfect.

> The "RX33" is working (that's how I was able to low-level format two

	I have a "RX33" on my 11/73 so I can create a boot  disk and the
	root filesystem dump (split over 3 or 4 1.2MB disk images).

> For the sake of completeness, I'll include the currently available 
> hardware:

	Ah, thanks!   That answers some other questions I was going to ask ;)

> KJD11-D/S   (processor), DZQ11, TK50, RQDX3 with one RD32A, a third-party
> 21MB MFM disk (ST225, RD33? 31? Something like that), a second 21MB
> MFM disk standing by (A microscribe of some sort), a 5.25" PC floppy 
> drive shoe-horned into a RX33, and a DELQA card.

	It is going to take some creative symlink and mount point work to
	fit 2.11 into 20MB disks - the system really expects to have ~80MB
	at least for /usr.   An RD54 at 159MB is more than enough but a RD53
	paired with a couple RD32/3 would be adequate.

	Steven Schultz
	sms at to.gd-es.com