140775Smsmith################################################################################ 240775Smsmith# Treboot DReboot the system 340775Smsmith 440775Smsmith reboot 540775Smsmith 640775Smsmith Causes the system to immediately reboot. 740775Smsmith 840775Smsmith################################################################################ 940775Smsmith# Theap DDisplay memory management statistics 1040775Smsmith 1140775Smsmith heap 1240775Smsmith 1340775Smsmith Requests debugging output from the heap manager. For debugging use 1440775Smsmith only. 1540775Smsmith 1640775Smsmith################################################################################ 1741822Smsmith# Tset Snum_ide_disks DSet the number of IDE disks 1841821Smsmith 1943115Smsmith NOTE: this variable is deprecated, use root_disk_unit instead. 2043115Smsmith 2141821Smsmith set num_ide_disks=<value> 2241821Smsmith 2341821Smsmith When booting from a SCSI disk on a system with one or more IDE disks, 2441821Smsmith and where the IDE disks are the default boot device, it is necessary 2541821Smsmith to tell the kernel how many IDE disks there are in order to have it 2641821Smsmith correctly locate the SCSI disk you are booting from. 2741821Smsmith 2841821Smsmith################################################################################ 2943115Smsmith# Tset Sroot_disk_unit DForce the root disk unit number. 3043115Smsmith 3143115Smsmith set root_disk_unit=<value> 3243115Smsmith 3343115Smsmith If the code which detects the disk unit number for the root disk is 3443115Smsmith confused, eg. by a mix of SCSI and IDE disks, or IDE disks with 3543115Smsmith gaps in the sequence (eg. no primary slave), the unit number can be 3643115Smsmith forced by setting this variable. 3743115Smsmith 3843115Smsmith################################################################################ 39162743Sjhb# Tsmap DDisplay BIOS SMAP table 40162743Sjhb 41162743Sjhb smap 42162743Sjhb 43162743Sjhb Displays the BIOS SMAP (system memory map) table. 44162743Sjhb 45162743Sjhb################################################################################ 46