Service manual

3-14 AlphaServer GS80/160/320 Service Manual
3.4.3 Displaying and Setting Up the System Environment
Two SCM commands are used to display and set system environment
variables stored in EEPROM on the standard I/O module.
Example 3 2 Show nvram
SCM_E0> show nvram ! SCM command
COM1_PRINT_EN 1 !prevents SCM printing when SRM controls COM1
HP_COUNT 3 !Number of hard partitions
HP_QBB_MASK0 3 !mask of QBBs in hard partition 0
HP_QBB_MASK1 4 !mask of QBBs in hard partition 1
HP_QBB_MASK2 8 !mask of QBBs in hard partition 2
HP_QBB_MASK3 0 !mask of QBBs in hard partition 3
HP_QBB_MASK4 0 !mask of QBBs in hard partition 4
HP_QBB_MASK5 0 !mask of QBBs in hard partition 5
HP_QBB_MASK6 0 !mask of QBBs in hard partition 6
HP_QBB_MASK7 0 !mask of QBBs in hard partition 7
SROM_MASK ff f !mask of SROM power-up tests
XSROM_MASK ff ff ff ff ff ff ff ff ff 1 0 0 !Mask XSROM p-up tests
PRIMARY_CPU ff !system primary CPU
PRIMARY_QBB0 ff !QBB of the system primary CPU
AUTO_QUIT_SCM 1 !on power-up, system reverts to SRM
FAULT_TO_SYS 0 !if set, faults become less severe sys events
DIMM_READ_DIS 1 !prevents FRU data retrieval at power-up
SCM_CSB_MASTER_ELIGIBLE 1 !This scm is eligible to become CSB master
PERF_MON 20 !sets up the performance monitor register
SCM_FORCE_FSL 0 !if set, the SCM stays in fail-safe loader mode
OCP_TEXT Uninitialized !data sent to OCP graphics display
AUTO_FAULT_RESTART !if set, system starts after a fault
SCM_SIZING_TIME c !time allotted to poll CSB and ignore OCP
SCM_E0>