what im getting at is i am able to solve 99+% of connectivity problems to
my modem pool from the "USR Modem" of the day...
im wondering if anyone has "chrono'd" usr's products... good and bad and
fixes etc... new roms. rom numbers, dates etc etc...
and...... ummmm... just what the heck is a WINMODEM anyways... ;)
sheesh... gimme a break... :)
--->
Robert H. Hanson LAN/WAN Consultant - Internet Service Provider
Otis Orchards, Wa. Cutting Edge Communications www.cet.com
(509) 927-9541 finger: info@cet.com or email: roberth@cet.com
On Wed, 18 Sep 1996, Brian Elfert wrote:
>
>
> On Tue, 17 Sep 1996, Joe McGuckin wrote:
>
> > Actually, the Ascend uses a card stuffed with Rockwell *analog* chipsets. So
> > does Cisco's AS5200 and the USR Sportster.
>
> The only Sportster that used a Rockwell chipset is the Sportster SI,
> which is discontinued. Current products use USR developed technology.
>
> > The USR Courier and the Livingston use a DSP chip to implement the modem in
> > *software* (can you say firmware update?). The advantage of this is faster
> > turn around times for new feature implementations and bug fixes. If rockwell
> > discovers a bug in a critical portion of their chip, they have to spin a new
> > revision. Three months would be an optimistic guess for the time involved. Also,
> > it's kinda inconvenient to unsolder all those chips from the PC boards.
> >
> > With a DSP implementation, the vendor distributes a firmware update - that's it.
>
> The Sportsters, both the old and new versions, also implements the modem
> in software, but the firmware is not flashable.
>
> The old Sportster design was a near duplicate of the Courier design. It
> used the same DSP and the same 80186 CPU. The firmware is different and
> is not flash upgradeable.
>
> Brian
>