APPENDIX A
Abbreviations
71
NMI nonmaskable interrupt
NV-RAM nonvolatile random-access memory
OHCI Open Host Controller Interface
OS operating system
PCI Peripheral Component Interconnect, an industry-standard
expansion bus
PLL phase-locked loop
POST power-on self test
RAM random-access memory
RAID random array of inexpensive disks
RCA Radio Corporation of America
rms root mean square
ROM read-only memory
RTAS run-time abstraction services
SCC Serial Communications Controller
SCSI Small Computer System Interface
SDRAM synchronous dynamic RAM
SGRAM synchronous graphics RAM; used for display buffers
SNR signal to noise ratio
SO-DIMM small outline dual inline memory module
SPD Serial Presence Detect, a feature of the SO DIMM
USB Universal Serial Bus, an industry-standard
expansion bus
VCC positive supply voltage (voltage for collectors)
VIA versatile interface adapter
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