Re: [iPAQ] 3900 series status?

From: Alan Cox <alan.a.t.lxorguk.ukuu.org.uk>
Date: Wed Jul 10 2002 - 22:33:30 EDT

> 1. The new XScale chip is binary compatible with the older StrongARM
> chip and most of the surrounding hardware (chipsets, etc.) hasn't
> changed much so it should mostly work, with the caveat that not many
> people (if any) have tried this yet so there may be unexpected issues.

Userspace only.

> 2. Just like WinCE is seeing performance issues running on the XScale
> without XScale-optimized code, there will be performance issues with
> StrongARM-targeted code for linux, but that those issues are being
> actively worked on.

There is a lot of opinion that you'll see performance issues with Xscale
code too. Its looking like the early xscale chips may be quite problematic

Take a look at Errata 100 for one example of why

http://developer.intel.com/design/pca/applicationsprocessors/specupdt/27853402.pdf
Received on Thu Jul 11 02:10:14 2002

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