From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3B5EFE8F.CFB340A4@raleigh.ibm.com> Date: Wed, 25 Jul 2001 13:14:55 -0400 From: Ralph Blach MIME-Version: 1.0 To: Dan Malek , Embedded Linux list Subject: Re: New Linux PowerPC development References: <3B5DAFC9.414B4788@mvista.com> Content-Type: multipart/mixed; boundary="------------4D8291F37150E29303FFD1BD" Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: This is a multi-part message in MIME format. --------------4D8291F37150E29303FFD1BD Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Dan, You forgot to mention the internal full duplex PLB on the 405. ON the 405GP, the Ethernet, PCI, EBC and memory are connected with a full duplex PLB 64 bit bus. Its not a performance slouch either. Chip Dan Malek wrote: > > Cindy Peters wrote: > > > The MPC823, however, does not have an IDE or PCI interface for a hard disk. > > Sure it does. Just use the PCMCIA. > > > We feel we would have to design an interface into an FPGA. > > This is also a solution many people use. Lots less expensive and > less complex than a PCI adapter. > > > .... It doesn't > > support 100BaseT either. > > So, the 832 loses here :-). > > > ..... We are also looking at using either the > > MPC8260/MPC8265 or the IBM 405GP. > > Wow. The 823, 405, 8260 span a huge range in performance and features > (and price). You need to consider some other requirements to make this > decision. If the 823 would be enough performance, you can step up to > the 860(D/T/P) and get more performance. Depending upon the application, > the 860P can be higher performance than the 405 because it will offload > the integrated peripherals to the CPM. The highest performance of the > bunch is the 82xx, which also includes hardware floating point, if that > is important. > > > .... I would like some feedback from people that have experience in using > > these processors with Linux and what recommendations they have. > > I've used them all, and they all have advantages and disadvantages. > You didn't list many requirements that would clearly show one is better > suited for your application. Based on what you said, and past experience > with the 823, I would choose something from the 855/860 family. > > -- Dan > --------------4D8291F37150E29303FFD1BD Content-Type: text/x-vcard; charset=us-ascii; name="rcblach.vcf" Content-Transfer-Encoding: 7bit Content-Description: Card for Ralph Blach Content-Disposition: attachment; filename="rcblach.vcf" begin:vcard n:Blach;Ralph tel;work:919-543-1207 x-mozilla-html:TRUE url:www.ibm.com org:IBM MicroElectronics adr:;;3039 Cornwallis ;RTP;NC;27709;USA version:2.1 email;internet:rcblach@raleigh.ibm.com x-mozilla-cpt:;15936 fn:Ralph Blach end:vcard --------------4D8291F37150E29303FFD1BD-- ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/