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4k memory block size

To: "'PCI SIG email reflector'" <pci-sig@znyx.com>
Subject: 4k memory block size
From: Ben Yurick <byurick@keithley.com>
Date: Mon, 24 Sep 2001 16:10:19 -0400
Organization: Keithley Instruments
Resent-Date: Mon, 24 Sep 2001 06:20:11 -0700
Resent-From: pci-sig@znyx.com
Resent-Message-ID: <IpG2PC.A.eHF.6_yr7@electra>
Resent-Sender: pci-sig-request@znyx.com

I heard that the PCI revision 2.2 spec recommends that when a memory
mapped target
needs less than 4k address space, to use 4k anyways. I do not have 2.2
spec but I
am curious. If it is true, why is that? So what is the side effect if
you map less than this?

Thanks for any responses.

Follow-Ups:
- Re: 4k memory block size
  - From: "Peter Marek" <peter.marek@marekmicro.de>

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