<REFERENCE>PRIME>DRB>EXL_ARCH_NOTES

Prime Computer FAQ 1.9

Q) 1.9 What is an EXL 7330?

The 7330 was based on the MIPS RC3230. It is a RISC based
architecture.  The 7330 was a 25mhz cpu, the 7333 (RC3330)
was 33mhz.  I believe you could expand the memory up to 128mb
using 4mb simms. The CPU board had an on-board SCSI and ethernet
controller. I believe it also included an ISA expansion slot for
a serial i/o controller. The OS was a MIPS proprietary Unix and I
believe it was called RiscOS. The unit came standard with either
a Seagate ST4766N or ST41230N (673mb or 1gb). I know that there
were drivers included for smaller drives but I don't think there
were many bigger drives that could be run on it. It also came
standard with a 150mb QIC tape drive, and there was an optional
Exabyte 2.3gb 8mm.

comp.sys.prime Posts

1991Oct24.030130.4926@queernet.org

RISC/os is a trademark of Mips Computer Systems, Inc., for its
hybrid port of System V Release 3.2 and BSD 4.3 (incorporating
4.3-Tahoe and 4.3-Reno code).  It runs on RISComputers and
RISCstations manufactured by Mips on the R2000, R3000 and
R6000 (so far) series processors.  These are relabelled by
Prime as the EXL-7000 series, and the operating system is
slightly modified (devices are added -- applications are all
object-compatible) and called "Prime RISC/os."

3696c694.3588791@news.goodnet.com

EXL 3 series are Intel Multibus II boxes with 386's, EXL
7000's are almost all MIPS R3000 engines. The top end model
I think had an R6000.

4fkW4.262$6K.7449@news010.worldonline.dk

I do remember the Unix machines sold by Prime (I think),
I was trained on every one

we did start with EXL316 - Intel 386 16 MHz
then EXL320 - Intel 386 20 MHZ
and EXL 325 - Intel 386 25 MHZ,
the EXL325 was very different from the two first, both HW and SW

we then did the MXL, which was made by a startup company
called somting like CYDROME, this was a "mini Supercomputer"
with parallel CPUs to do vectorcalculations, at the same time
we also had the PXCL , which really was the SGI.

Later on we got the Sequent, called EXL ????, running with
Intel 386 16 MHz multiprocessor, and just after that we got
the MIPS 4000, also called someting with EXL.

Then I was layed off (aug. 1991), and they tr<ED>ed, for a
short while to sell Hewlett-Packard.

med venlig hilsen (= With Kind Regards)
Niels Sondergaard

1994Oct24.140926@hammer.westboro-ma.peritus.com

...

You didn't specify what model machines you might be getting.
50-series, or otherwise.  Prime sold a LOT of different
machines.  Including some re-packaged MIPs machines (running
MIPS' version of SYS-V called RISC-OS).  Obviously these
Prime EXL series run unix.  The Prime MBX series are basically
386/486 pcs running a PC unix (386 SYS V) or DOS/Windows if
you so choose.

...

632rbb$3na$1@pad-thai.cam.ov.com

...

Yes, The 316 was MBII.  I think Sys V r3.0 was first shipped,
as was 3.1, "3.1++" and V4.0.  About that time I became a
winner of "the package".

...

316 and 320 for MBII, 325 and above for the Matchbox?
The MBII boxes were all floor models -- wireframe, left and
right off-white plastic shells held on by the front and back
pieces which were fastened to the bottom of the frame with
spring-loaded captive screw-like thingies (phillip's head?).
Didn't the matchbox have a more conventional desktop metal box
("commodity PC") form?

3mhe7o$9lc@clark.net

The system is an EXL320 with 4MB of ram, 258MB hard drive &
60MB tape drive.

On the boot up screen, it said:
        System V  Release 3.0   Prime EXL  Version 1
        node exl

9204061918.AA23572@usenet.rpi.edu

Yup.  What you have there is an EXL3XX system -the xx indicates
how fast the cpu is 16, 20, or 25 mhz. The system can have
from 2mb to 16mb of memory on it, depending on the model..

It is a Mulitbus-2 backplane.

The system runs ATT UNIX V5 Release 3 to 3.2 NOT Release 4.

392942DC.E20DBA2D@jmu.edu

EXL3xxx
        Built from off the shelf components. Intel processor
        board. Multibus II.  AT&T SVR3.2-4.0

hennie.750088886@nuustak

Due to a change in our computing requirements we now have
the following system forsale:

        Prime EXL7680 (MIPS 4000 Series)
        R6000 CPU with FP Processor
        256 Mb RAM
        10 x 1.6 Gb SMD Fujitsu Drives
        2 x 2.3 Gb Exabyte Drives
        1 x 150 Mb Cartridge Drive
        1 x Ethernet Adaptor
        16 x Async Ports
        4 x SMD Controllers
        1 x SCSI Controller
        1 x PT250 Console