Subject: Re: MV3100-96&1.5.2
To: =?iso-8859-1?Q?Hilmar_B=F6hm?= <>
From: Michael Kukat <>
List: port-vax
Date: 12/08/2001 22:59:27
Hi !

On Sat, 8 Dec 2001, Hilmar B=F6hm wrote:
> Here is the data for the "MicroVAX 3100 Model 96"

Ok, according to your data, this box will be recognized as KA51, MicroVAX
3100-90/95, i think. So it should work in -current.
The only thing missing for those machines in -current is booting off the
SCSI disks. Ragge? You wanted to work on the booter, if i remember this rig=
Is your work finished? Then i'll try to fix up the SCSI booting for the
"generic ka53.c-handled" machines :)

> There is an externel SCSI-Connector (50pin Centronix). Is this SCSI-B?

I don't think so, as your configuration just shows up ONE SCSI controller.
So this might be the internal bus. Connect something, and if it shows up as
DKB, you have 2 SCSI buses, otherweise, if named DKA, it is the internal bu=
like in the VAX 4000/105A.
The 3100m96 seems to have a second SCSI controller, but this might be optio=
as the DSSI board in the 4000/105A is replaceable AFAIK.

> The memory is specified as "DSIMM". The mem. slots look like FPM/EDO slot=
> But I think the meory SIMMs are ECC-Memory! ?? I wonder whether those SIM=
> were used
> in PC - servers too?

Nope. VAX uses 80pin-modules, not 72pin-modules. And don't try DECstation-
modules, they are incompatible in a way, which could damage modules or mach=
(Power supply will be short circuited... i tested one time :)

> Does the DZ Interface serve the 3 serial MJ connectors? Are they supporte=
> under NetBSD?

Yes. Port 3 is your console, the rest should also work, never tested. You h=
4 ports, 3 are MMJ, and one is RS232 (DB25)

> (The system is really fast (for a VAX). I installed OVMS 7.3)

Yes. Should be around 40VUPs. My 4000/105A is also _VERY_ crispy in
performance, and has "just" 32VUPs. (83MHz vs 100MHz AFAIK).

> Thanks in adcance for your help and best regards. / Hilmar.

Dann kipp mal ein -current auf das Ding und hab Spass damit :)


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