aboutsummaryrefslogtreecommitdiff
path: root/sys/boot/i386/loader/help.i386
diff options
context:
space:
mode:
Diffstat (limited to 'sys/boot/i386/loader/help.i386')
-rw-r--r--sys/boot/i386/loader/help.i3869
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/boot/i386/loader/help.i386 b/sys/boot/i386/loader/help.i386
index dc285347c3a7..0ff628643c87 100644
--- a/sys/boot/i386/loader/help.i386
+++ b/sys/boot/i386/loader/help.i386
@@ -43,3 +43,12 @@
Displays the BIOS SMAP (system memory map) table.
################################################################################
+# Tchain DChain load disk block
+
+ chain disk:
+
+ chain will read stage1 (MBR or VBR) boot block from specified device
+ to address 0000:7C00 and attempts to run it. Use lsdev to get available
+ device names. Disk name must end with colon.
+
+################################################################################