Asus AP8000 Hardware Reference - Page 43

PCI Bus Peripheral Component Interconnect Local Bus

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V. Appendix PCI Bus (Peripheral Component Interconnect Local Bus) PCI bus is a specification that defines a 32-bit data bus interface. PCI is a standard widely used by expansion card manufacturers. Peripherals Peripherals are components on the outside of the computer such as a monitor, printer, keyboard, or mouse. Peripherals are attached to the computer via I/O ports. Peripheral devices allow your computer to perform an almost limitless variety of specialized tasks. POST (Power On Self Test) When you turn on the computer, it will first run through the POST, a series of software-controlled diagnostic tests. The POST checks system memory, the motherboard circuitry, the display, the keyboard, the diskette drive, CPU, and other I/O devices. PS/2 Port PS/2 ports are based on IBM's Micro Channel Architecture. This type of architecture transfers data through a 16-bit or 32-bit bus. A PS/2 mouse and/ or keyboard may be used on ATX motherboards. RAID (Redundant Array of Inexpensive Disks) RAID can be set up to provide mirroring (for fault tolerance), parity (for data guarding), or striping (for data distribution over several drives for increased performance). A RAID card is required to setup a RAID system. RAM (Random Access Memory) There are several different types of RAM such as DRAM (Dynamic RAM), EDO DRAM (Extended Data Out DRAM), SDRAM (Synchronous DRAM). ROM (Read Only Memory) ROM is nonvolatile memory used to store permanent programs (called firmware) used in certain computer components. Flash ROM (or EEPROM) can be reprogrammed with new programs (or BIOS). SCSI (Small Computer System Interface) High speed parallel interface defined by the X3T9.2 committee of the American National Standards Institute (ANSI) for connecting many peripheral devices. UPS (Uninterruptible Power Supply) A battery system that can provide power to an electronic device or computer when power fails in the building. A passive UPS only provides power. An active UPS provides power conditioning that offers protection against transient power conditions and short-term power outages. V. Appendix Glossary AP8000 Hardware Reference Guide 43

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AP8000 Hardware Reference Guide
43
V. Appendix
V. Appendix
Glossary
PCI Bus (Peripheral Component Interconnect Local Bus)
PCI bus is a specification that defines a 32-bit data bus interface. PCI is a
standard widely used by expansion card manufacturers.
Peripherals
Peripherals are components on the outside of the computer such as a moni-
tor, printer, keyboard, or mouse. Peripherals are attached to the computer
via I/O ports. Peripheral devices allow your computer to perform an almost
limitless variety of specialized tasks.
POST (Power On Self Test)
When you turn on the computer, it will first run through the POST, a series
of software-controlled diagnostic tests. The POST checks system memory,
the motherboard circuitry, the display, the keyboard, the diskette drive, CPU,
and other I/O devices.
PS/2 Port
PS/2 ports are based on IBM’s Micro Channel Architecture. This type of
architecture transfers data through a 16-bit or 32-bit bus. A PS/2 mouse and/
or keyboard may be used on ATX motherboards.
RAID (Redundant Array of Inexpensive Disks)
RAID can be set up to provide mirroring (for fault tolerance), parity (for
data guarding), or striping (for data distribution over several drives for in-
creased performance). A RAID card is required to setup a RAID system.
RAM (Random Access Memory)
There are several different types of RAM such as DRAM (Dynamic RAM),
EDO DRAM (Extended Data Out DRAM), SDRAM (Synchronous DRAM).
ROM (Read Only Memory)
ROM is nonvolatile memory used to store permanent programs (called firm-
ware) used in certain computer components. Flash ROM (or EEPROM) can
be reprogrammed with new programs (or BIOS).
SCSI (Small Computer System Interface)
High speed parallel interface defined by the X3T9.2 committee of the Ameri-
can National Standards Institute (ANSI) for connecting many peripheral
devices.
UPS (Uninterruptible Power Supply)
A battery system that can provide power to an electronic device or com-
puter when power fails in the building. A passive UPS only provides power.
An active UPS provides power conditioning that offers protection against
transient power conditions and short-term power outages.