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| author | Gene Cumm <gene.cumm@gmail.com> | 2011-03-29 18:35:18 -0400 |
|---|---|---|
| committer | Gene Cumm <gene.cumm@gmail.com> | 2011-03-29 18:35:18 -0400 |
| commit | 7ec04896dca40c6606b4293e5c8e7bf34265e51b (patch) | |
| tree | ce00b7a37a883e587e75ab6c7de6cdc2117c5e87 | |
| parent | 49d14342f82c1c1555f09733c49533678954b1d8 (diff) | |
| download | syslinux-7ec04896dca40c6606b4293e5c8e7bf34265e51b.tar.gz | |
diag/geodsp/README: Additional use notes
| -rw-r--r-- | diag/geodsp/README | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/diag/geodsp/README b/diag/geodsp/README index 43a3edc2..55e08438 100644 --- a/diag/geodsp/README +++ b/diag/geodsp/README @@ -3,3 +3,9 @@ GeoDsp: Images to display the geometry as the BIOS has choosen to interpret it. GeoDsp1S is a one-sector variant containing all code in one sector that is intended to test behavior with a typical MBR/partition table layout. A partition table should be written after writting an image. GeoDspMS is a multi sector variant intended to look like Syslinux installed on a file system on the raw device (as opposed to a file system within a partition). + +GeoDspMS can also be used to attempt to make the boot sector look like a normal file system's boot sector (ie FAT12/FAT16/FAT32). In order to do this, you must first save a portion the existing boot sector (the majority of the BIOS parameter block). + dd bs=1 skip=3 count=87 if=/dev/sda of=sda.bpb + dd conv=notrunc if=geodspms.img of=/dev/sda + dd conv=notrunc bs=1 seek=3 count=87 if=sda.bpb of=/dev/sda + |