From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: FW: ICH10R PMP support Date: Tue, 24 Jun 2008 16:10:57 +0900 Message-ID: <48609E01.1050802@kernel.org> References: <023701c8d4dd$d737fa10$85a7ee30$@com> <485F6830.1040000@pobox.com> <485F7356.5050605@kernel.org> <48609C8F.90805@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:55558 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750989AbYFXHLc (ORCPT ); Tue, 24 Jun 2008 03:11:32 -0400 In-Reply-To: <48609C8F.90805@pobox.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: Milo Medin , linux-ide@vger.kernel.org Mark Lord wrote: > Tejun Heo wrote: >> Mark Lord wrote: > .. >>> The 7042 is the best of the Marvell chips, for Linux. >> >> How high does it go bandwidth-wise? > .. > > The limiting factor will be the bus width of the card > and the slot into which it is plugged, I suspect. > > There are 4-lane PCIe cards out there, and one of those > in a 4-lane ("4X") or wider PCIe slot ought to have no > real limitations due to the 7042 side of things. Cool. I was asking because sil3124 and 32 seem to have inherent bandwidth limit regardless of the bus it lives on. I'm planning on checking out 3132-2 chips to see whether they improved on that front. Thanks. -- tejun