From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: support for drives larger than 2TiB Date: Sun, 25 Jul 2010 10:01:37 +0200 Message-ID: <4C4BEF61.5010203@kernel.org> References: <4C4AB952.9030705@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:37778 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751364Ab0GYIB4 (ORCPT ); Sun, 25 Jul 2010 04:01:56 -0400 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Yuhong Bao Cc: jeff@garzik.org, ben.collins@ubuntu.com, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, hmh@debian.org, "H. Peter Anvin" (cc'ing hpa, hi!) Hello, On 07/24/2010 08:40 PM, Yuhong Bao wrote: >> However, 2TiB limit is >> inherent in the BIOS programming interface and currently the only way >> to overcome it is using a completely different BIOS interface (EFI, >> that is). > > Nope, look at the Int13 extensions, it already support 64-bit LBA. Ah, yeah, that sounds much more logical than requiring transition to EFI. Does anyone know how wide spread the support for this extension is in BIOSes? Do the bootloaders support this? Thanks. -- tejun