SRM Console Commands and Environment Variables
B-5
Table B-2 Environment Variable Summary (Continued)
Environment
Variable
Function
memory_test
Specifies the extent to which memory will be tested. For
DIGITAL UNIX systems only.
ocp_text
Overrides the default OCP display text with specified text.
os_type
Specifies the operating system and sets the appropriate
console interface.
pci_parity
Disables or enables parity checking on the PCI bus.
pk*0_fast
Enables fast SCSI mode.
pk*0_host_id
Specifies the default value for a controller host bus node ID.
pk*0_soft_term
Enables or disables SCSI terminators on systems that use the
QLogic ISP1020 SCSI controller.
sys_model_num
Displays the system model number and computes certain
information passed to the operating system. Must be restored
after a PCI motherboard is replaced.
sys_serial_num
Restores the system serial number. Must be set if the system
motherboard is replaced.
sys_type
Displays the system type and computes certain information
passed to the operating system. Must be restored after a PCI
motherboard is replaced.
tga_sync_green
Specifies the location of the SYNC signal generated by the
DIGITAL ZLXp-E PCI graphics accelerator option.
tt_allow_login
Enables or disables login to the SRM console firmware on
other console ports.
