DEC AlphaServer 1000A Owner's Manual page 210

SRM
User interface to console firmware for operating systems that expect firmware
compliance with the Alpha System Reference Manual (SRM).
StorageWorks
Digital's modular storage subsystem (MSS), which is the core technology of the
Alpha SCSI-2 mass storage solution. Consists of a family of low-cost mass storage
products that can be configured to meet current and future storage needs.
system board
The main circuit board of a computer. The system board contains the base
electronics for the system (for example, base I/O, CPU, ROM, and console serial line
unit) and has connectors where options (such as I/O and memories) can be plugged
in.
system bus
The hardware structure that interconnects the CPUs and memory modules. Data
processed by the CPU is transferred throughout the system via the system bus.
system disk
The device on which the operating system resides.
ThinWire
Ethernet cabling and technology used for local distribution of data communications.
ThinWire cabling is thinner than thick wire cabling.
twisted-pair cable
Cable made by twisting together two insulated conductors that have no common
covering.
uninterruptible power supply (UPS)
A battery-backup option that maintains AC power to a computer system if a power
failure occurs.
12 Glossary of Terms AlphaServer 1000A Owner's Guide