From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Thomas Schmitt" Subject: Re: ISO installer image: GPT versus MBR partitions Date: Sun, 21 Apr 2019 16:36:11 +0200 Message-ID: <21744672748775969334@scdbackup.webframe.org> References: <20190421141132.ajyvkmli5wgs3anu@pelzflorian.localdomain> Content-Type: text/plain; charset="utf-8" Return-path: Received: from eggs.gnu.org ([209.51.188.92]:38317) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hIDXd-0007gv-Aw for guix-devel@gnu.org; Sun, 21 Apr 2019 10:34:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hIDXY-00025C-W1 for guix-devel@gnu.org; Sun, 21 Apr 2019 10:34:01 -0400 In-Reply-To: <20190421141132.ajyvkmli5wgs3anu@pelzflorian.localdomain> List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: bug-xorriso@gnu.org Cc: guix-devel@gnu.org Hi, Florian Pelz wrote: > it is not > 80 00 00 04 01 24 4f 00 00 00 00 80 16 00 00 00 > but > 80 00 01 00 04 01 24 4f 00 00 00 00 80 16 00 00 00 This makes more sense as an MBR partition table entry: Start C/H/S is 0/0/1. Start LBA is 0. Block count is 0x1680 = 5760 = 2.8 MB floppy. The last 00 belongs to the next partition entry slot. Overall it looks like the output of mformat -f 2880 without -k. Have a nice day :) Thomas