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A-46 AlphaServer DS20L User’s Guide
Table A-5 Environment Variable Summary (continued)
Environment Variable Function
ocp_text
Overrides the default OCP display text with specified
text.
os_type
Specifies the operating system. Valid entries are
unix and linux.
password
A password stored in the NVRAM used to secure the
console.
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.
sysvar
Determines if the system variation value should be
overridden from 12 to 5. This allows OS versions
before those that are aware of the DS20L to run
properly.
tt_allow_login
Enables or disables login to the SRM console
firmware on other console ports.
wol_enable
Sets the remote power cycle toggle capability for eib0
(the Ethernet NIC on hose 0 device 4).