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| author | H. Peter Anvin <hpa@linux.intel.com> | 2011-04-01 15:51:46 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2011-04-01 15:51:46 -0700 |
| commit | a7270ae36cc247d2b6d3ae897ba9417cea38452d (patch) | |
| tree | 985960c96544377d2ae13f0e0745da3439a687df /diag | |
| parent | c009cc7e98e64ee6f96dfe82865c4bd3ce5c960c (diff) | |
| parent | 7ec04896dca40c6606b4293e5c8e7bf34265e51b (diff) | |
| download | syslinux-a7270ae36cc247d2b6d3ae897ba9417cea38452d.tar.gz | |
Merge remote-tracking branch 'genec/diag-geodsp-for-hpa'
Diffstat (limited to 'diag')
| -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 + |