<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <HTML> <HEAD> <META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9"> <TITLE>Large Disk HOWTO</TITLE> <LINK HREF="Large-Disk-HOWTO-1.html" REL=next> </HEAD> <BODY> <A HREF="Large-Disk-HOWTO-1.html">Next</A> Previous Contents <HR> <H1>Large Disk HOWTO</H1> <H2>Andries Brouwer, <CODE>aeb@cwi.nl</CODE></H2>v2.5, 2004-11-01 <P><HR> <EM>All about disk geometry and the 1024 cylinder and other limits for disks. <!-- HOWTOs!large disk --> <!-- HOWTOs!disk, large --> </EM> <HR> <P>For the most recent version of this text, see <A HREF="http://www.win.tue.nl/~aeb/linux/Large-Disk.html">www.win.tue.nl</A>. <P> <P> <H2><A NAME="toc1">1.</A> <A HREF="Large-Disk-HOWTO-1.html">Large disks</A></H2> <P> <H2><A NAME="toc2">2.</A> <A HREF="Large-Disk-HOWTO-2.html">Units</A></H2> <P> <H2><A NAME="toc3">3.</A> <A HREF="Large-Disk-HOWTO-3.html">Disk Access</A></H2> <UL> <LI><A HREF="Large-Disk-HOWTO-3.html#ss3.1">3.1 Cylinders, heads and sectors</A> <LI><A HREF="Large-Disk-HOWTO-3.html#ss3.2">3.2 Sectorsize</A> <LI><A HREF="Large-Disk-HOWTO-3.html#ss3.3">3.3 Disksize</A> <LI><A HREF="Large-Disk-HOWTO-3.html#ss3.4">3.4 The 1024 cylinder and 8.5 GB limits</A> <LI><A HREF="Large-Disk-HOWTO-3.html#ss3.5">3.5 The 137 GB limit</A> </UL> <P> <H2><A NAME="toc4">4.</A> <A HREF="Large-Disk-HOWTO-4.html">History of BIOS and IDE limits</A></H2> <P> <H2><A NAME="toc5">5.</A> <A HREF="Large-Disk-HOWTO-5.html">Booting</A></H2> <UL> <LI><A HREF="Large-Disk-HOWTO-5.html#ss5.1">5.1 LILO and the `lba32' and `linear' options</A> <LI><A HREF="Large-Disk-HOWTO-5.html#ss5.2">5.2 A LILO bug</A> <LI><A HREF="Large-Disk-HOWTO-5.html#ss5.3">5.3 1024 cylinders is not 1024 cylinders</A> <LI><A HREF="Large-Disk-HOWTO-5.html#ss5.4">5.4 No 1024 cylinder limit on old machines with IDE</A> <LI><A HREF="Large-Disk-HOWTO-5.html#ss5.5">5.5 Other boot loaders</A> </UL> <P> <H2><A NAME="toc6">6.</A> <A HREF="Large-Disk-HOWTO-6.html">Disk geometry, partitions and `overlap'</A></H2> <UL> <LI><A HREF="Large-Disk-HOWTO-6.html#ss6.1">6.1 The last cylinder</A> <LI><A HREF="Large-Disk-HOWTO-6.html#ss6.2">6.2 Cylinder boundaries</A> </UL> <P> <H2><A NAME="toc7">7.</A> <A HREF="Large-Disk-HOWTO-7.html">Translation and Disk Managers</A></H2> <P> <H2><A NAME="toc8">8.</A> <A HREF="Large-Disk-HOWTO-8.html">Kernel disk translation for IDE disks</A></H2> <UL> <LI><A HREF="Large-Disk-HOWTO-8.html#ss8.1">8.1 EZD</A> <LI><A HREF="Large-Disk-HOWTO-8.html#ss8.2">8.2 DM6:DDO</A> <LI><A HREF="Large-Disk-HOWTO-8.html#ss8.3">8.3 DM6:AUX</A> <LI><A HREF="Large-Disk-HOWTO-8.html#ss8.4">8.4 DM6:MBR</A> <LI><A HREF="Large-Disk-HOWTO-8.html#ss8.5">8.5 PTBL</A> <LI><A HREF="Large-Disk-HOWTO-8.html#ss8.6">8.6 Getting rid of a disk manager</A> <LI><A HREF="Large-Disk-HOWTO-8.html#ss8.7">8.7 Since 2.5.70: boot parameters</A> </UL> <P> <H2><A NAME="toc9">9.</A> <A HREF="Large-Disk-HOWTO-9.html">Consequences</A></H2> <UL> <LI><A HREF="Large-Disk-HOWTO-9.html#ss9.1">9.1 Computing LILO parameters</A> </UL> <P> <H2><A NAME="toc10">10.</A> <A HREF="Large-Disk-HOWTO-10.html">Details</A></H2> <UL> <LI><A HREF="Large-Disk-HOWTO-10.html#ss10.1">10.1 IDE details - the seven geometries</A> <LI><A HREF="Large-Disk-HOWTO-10.html#ss10.2">10.2 SCSI details</A> </UL> <P> <H2><A NAME="toc11">11.</A> <A HREF="Large-Disk-HOWTO-11.html">Clipped disks</A></H2> <UL> <LI><A HREF="Large-Disk-HOWTO-11.html#ss11.1">11.1 The Linux IDE 8 GiB limit</A> <LI><A HREF="Large-Disk-HOWTO-11.html#ss11.2">11.2 BIOS complications</A> <LI><A HREF="Large-Disk-HOWTO-11.html#ss11.3">11.3 Jumpers that select the number of heads</A> <LI><A HREF="Large-Disk-HOWTO-11.html#ss11.4">11.4 Jumpers that clip total capacity</A> <LI><A HREF="Large-Disk-HOWTO-11.html#ss11.5">11.5 READ NATIVE MAX ADDRESS / SET MAX ADDRESS</A> <LI><A HREF="Large-Disk-HOWTO-11.html#ss11.6">11.6 CONFIG_IDEDISK_STROKE</A> </UL> <P> <H2><A NAME="toc12">12.</A> <A HREF="Large-Disk-HOWTO-12.html">The Linux 65535 cylinder limit</A></H2> <UL> <LI><A HREF="Large-Disk-HOWTO-12.html#ss12.1">12.1 IDE problems with 34+ GB disks</A> </UL> <P> <H2><A NAME="toc13">13.</A> <A HREF="Large-Disk-HOWTO-13.html">Extended and logical partitions</A></H2> <P> <H2><A NAME="toc14">14.</A> <A HREF="Large-Disk-HOWTO-14.html">Problem solving</A></H2> <UL> <LI><A HREF="Large-Disk-HOWTO-14.html#ss14.1">14.1 Problem: My IDE disk gets a bad geometry when I boot from SCSI.</A> <LI><A HREF="Large-Disk-HOWTO-14.html#ss14.2">14.2 Nonproblem: Identical disks have different geometry?</A> <LI><A HREF="Large-Disk-HOWTO-14.html#ss14.3">14.3 Problem: 2.4 and 2.6 report different geometries?</A> <LI><A HREF="Large-Disk-HOWTO-14.html#ss14.4">14.4 Nonproblem: fdisk sees much more room than df?</A> </UL> <HR> <A HREF="Large-Disk-HOWTO-1.html">Next</A> Previous Contents </BODY> </HTML>