X-2
Service Guide
which can be removed without turning the power off
to the entire system).
ROS (read-only storage). Storage which does not
support writing.
SCSI (small computer system interface). A
standard bus interface used to connect peripherals
such as disk drives or tape drives.
SIB (system interface board). The SIB is a
system board which controls the power supply and
the RS-485 interconnect bus.
SIMM (single in-line memory module). See
memory module.
SMP. Symmetric multiprocessor.
SRN (service request number).
SSBus (subsystem bus). A special bus used to
interconnect the BUMP and some local resources
such as the EEPROM, the flash EEPROM, and the
non-volatile RAM.
SSF (system service facility). See SystemGuard.
SYSID (system identification). Identifies part of
the EEPROM containing important data such as
the system serial number, remote access rights,
dial-out phone numbers, and other information.
SystemGuard. The firmware maintenance
programs which run on the bring-up
microprocessor (BUMP). It enables an operator to
manage power supplies, check system hardware
status, update various configuration parameters,
investigate problems, and perform tests.
VPD (vital product data). Certain vital product
data (VPD), such as the product serial number and
status information, is stored on each board.
Summary of Contents for 7015-R50
Page 1: ...7015 Models R30 R40 and R50 CPU Enclosure Installation and Service Guide...
Page 10: ...x Service Guide...
Page 14: ...xiv Service Guide...
Page 34: ...1 20 Service Guide...
Page 214: ...6 10 Service Guide Detail 5 CPU Module 2 of 3 26 27 29 30 31 32 33 34 28 35...
Page 216: ...6 12 Service Guide Detail 6 CPU Module 3 of 3 36 37...
Page 252: ...B 8 Installation and Service Guide...
Page 288: ...Service Guide D 30...
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