ok, the 4 chips you found are 1Kx18 fifo's, made by idt... the 74-xxxxx 
number is the part number for the metal stamping. is there one on the 
PCB? look around the PCB for any kind of markings. numbers for boards
start with a 5. Im not sure what the motorola chips are. 

isildur


On Sat, 19 May 2001, Devo wrote:

> Okay found one that matches one of the formats you described, it stamped on
> the inside of the metal strip that covers/matches up with the exterior
> rectangular holes.
> 
> 74-42447-01 Rev AX02 V1
> 
> There is a bar code on the connector:
> AB13202JRZ
> 
> It's a dual slot card and has a daughter card that sits up over the card on
> one side (slot 1 of 1&2) so I released it and carefully lift it and see 4
> chips with an integral symbol and a dt 72225.
> 
> One the daughter card are 4 Motorola chips MC10E151FN
> 
> The card IS a Digital card.
> 
> 
> ----- Original Message -----
> From: "Lord Isildur" <mrfusion@umbar.vaxpower.org>
> To: "Devo" <jmaier@midamerica.net>
> Cc: <port-pmax@netbsd.org>
> Sent: Saturday, May 19, 2001 1:02 PM
> Subject: Re: I've got a TC card for you!
> 
> 
> >
> > hello,
> >  are there any other markings? anything with PMXX in the name? KXXX? any
> > 2-5-2 numbers (nn-nnnnn-XX format part numbers)?
> > could you identify the major chips on it?
> > very interesting!
> >
> > isildur
> >
> > On Sat, 19 May 2001, Devo wrote:
> >
> > > I have in my grubby hands a DECstation 5000/200 which in itself is not
> > > really that interesting, but TC 1 and 2 are occupied by a, what looks
> like a
> > > RAID card for an external RAID box.  The plug looks just like the plugs
> on
> > > out Compaq server that have external RAID boxes.  The plug is NOT a
> 68pin
> > > but the wider roughly 100 pins.
> > >
> > > The cables we have at work are Y cables with standard high density SCSI
> > > plugs at the end.   So I guess the TC card could just be a dual SCSI
> card.
> > >
> > > The card says DICEON 6A, on the end of the card.
> > >
> > > Ring a bell?
> > >
> > > jam
> > >
> > >
> > >
> > >
> >
> 
>