Tall Tree Systems`JRAM-3'

From: Robert Schaefer <rschaefe_at_gcfn.org>
Date: Sun Dec 2 15:35:56 2001

----- Original Message -----
From: "Fred Cisin (XenoSoft)" <cisin_at_xenosoft.com>
To: <classiccmp_at_classiccmp.org>
Sent: Sunday, December 02, 2001 03:27 PM
Subject: Re: Tall Tree Systems`JRAM-3'


> On Sun, 2 Dec 2001, Robert Schaefer wrote:
> > I'm in no rush, in fact no true need other than curiousity. I'm getting
> > curious about what's on the ST225 in the external case-- it came from
the
> > same pile, judging by the dirt on it.
>
> Be aware that XT hard disk controllers are NOT mutually
> interchangeable! If it was formatted on an XT compatible hard disk
> controller, then you will need THAT model of controller to read it! (Or a
> LOT of sector and below level programming!)
> On the ATs, they standardized the controllers (almost), and you can read a
> drive formatted with a different brand of controller.

Ok. The PC has an Adaptec controller assy # 401406-00 with ROMs dated '85
FWIW. I'm pretty sure the drive came with this PC, but worst case I could
just reformat, right? No embedded servo tracks that requires a fancy
controller/different roms/different controller to write?

>
> > Interesting. I guess this a real bit of history I have here.
> > What's the difference 'tween the various JRAM boards? Max installable
ram?
>
> Mostly just subsequent "improvements".
> 8 bit and 16 bit interface
> with/without LIM EMS support?

This is most assuredly an 8 bit card. Other than that, IDK. Guess I'll
just have to wait and see. Oh, it's serial # 803181 too.

>
>

Bob
Received on Sun Dec 02 2001 - 15:35:56 GMT