[uCsimm] Comport uC68EZ328 (pppd)

From: ibrar ahmad (abrar_@yahoo.com)
Date: Wed Nov 22 2000 - 12:17:36 EST


Hi-
I have buy UcLinux and uCsimm / uC68EZ328 board with
One ethernet and console Comport. I remove getty from
/dev/ttyS0. Because i want to use that comport to
connect to Internet. How can i do using pppd(There is
no chat program available)

--- Paugam Luc <PAUGAML@thmulti.com> wrote:
> Hi Michael,
>
> BEWARE If you use a 25MHz Motorola MC68EN360, you
> cannot have 3 Ethernet
> ports due to the bandwidth between the CPU core and
> its CPM (Communications
> Processor Module). It is about 22 Mbits/s.
> You better should use a 33MHz chip: the bandwidth
> between the CPU core and
> its CPM is 30 Mbits/s (OK for 3 LAN/WAN ports).
>
> Generally it is not a good idea to design a CPU with
> more than 1 Ethernet
> port, with only a MC68EN360.
> This uP is not very fast: at 33MHz, 6 MIPS, 10500
> dhrystones/second (5.5
> BogoMips on uClinux). You have not enough power to
> fill up 2 or 3 LAN/WAN
> ports and to execute apllications.
>
> In order to remedy this fact and to really use 2 or
> 3 LAN/WAN ports, you
> need to use your MC68EN360 at 33MHz in companion
> mode with a MC68EC060 at
> 66MHz.
>
> Best Regards
> Luc
>
> >Michael Leslie [SMTP:mleslie@lineo.ca] wrote:
> >
> >For those interested in Lineo's MC68360 board.
> >
> >The device is designed to be a high-end T1/E1
> router platform.
> >For availability and pricing, please contact Jim
> Stewart
> <jim.stewart@lineo.com>
> >
> >Again, this board's vital statistics are:
> >
> > - 25MHz Motorola MC68EN360
> > - 32M DRAM
> > - 8M FLASH
> > - 10-base-T Ethernet
> > - Serial console
> > - 3 highly configurable WAN ports
> > - IDE interface
> > - Nice and small; designed to mount on a laptop
> hard disk
> >
> >
> >Cheers,
> >Michael Leslie,
> >Lineo Inc.
>
> This message resent by the uclinux-dev@uclinux.org
> list server http://www.uClinux.org/

=====
Best Regards
Ibrar Ahmad
Software Eng.
Comcept (Pvt) Ltd. Islamabad Pakistan
www.com-cept.com
Ph # (Off) 92-51-2264660 , 92-51-2264660 Ph (Res)92-51-271283 Fax # 92-51-2251350

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