lkml.org 
[lkml]   [1999]   [Apr]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Address spaces on a i386 - Getting Confused
Date
Followup to:  <Pine.LNX.4.04.9904051634060.723-100000@cheetah.psv.nu>
By author: Peter Svensson <petersv@psv.nu>
In newsgroup: linux.dev.kernel
>
> On Mon, 5 Apr 1999, Eric Lowe wrote:
>
> > Agreed. From what we've seen, most PCI devices running on 64-bit systems
> > are already going 64-bit.
> > The problem of 32 bits on >4GB will probably be isolated to Intel. Why
> > would someone put an older, $50 board in a $10k workstation anyway?
>
> Many sepcialized pci-devices are only made as 32-bit cards. The cost of
> developing a new card only to make a few of them is often prohibitive.
> When 64-bit architectures are the norm this will probably change.
>

The good news is that many 32-bit cards support Dual Address Cycle for
64-bit addressing. The bad news is that I don't even think it is the
majority.

-hpa

--
"The user's computer downloads the ActiveX code and simulates a 'Blue
Screen' crash, a generally benign event most users are familiar with
and that would not necessarily arouse suspicions."
-- Security exploit description on http://www.zks.net/p3/how.asp

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:51    [W:0.051 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site