Asus 810 User Manual download pdf (Page 123)

ASUS CUW User’s Manual 123

7 . APPENDIX

Glossary

7. APPENDIX

MMX

A set of 57 new instructions based on a technique called Single Instruction, Multiple

Data (SIMD), which is built into the new Intel Pentium PP/MT (P55C) and Pentium

II (Klamath) CPU as well as other x86-compatible microprocessors. The MMX in-

structions are designed to accelerate multimedia and communications applications,

such as 3D video, 3D sound, video conference.

OnNow

The OnNow design initiative is a comprehensive, system-wide approach to system

and device power control. OnNow is a term for PC that is always ON but appears

OFF and responds immediately to user or other requests. The OnNow design initia-

tive involves changes that will occur in the Microsoft Windows operating system,

device drivers, hardware, and applications, and also relies on the changes defined in

the Advanced Configuration and Power Interface (ACPI) specification.

PC100

SDRAM is Intel's goal is to ensure that memory subsystems continue to support

evolving platform requirements and to assure that memory does not become a bottle-

neck to system performance. It is especially important to ensure that the PC memory

roadmap evolves together with the performance roadmaps for the processors, I/O

and graphics.

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.

PCI Bus Master

The PCI Bus Master can perform data transfer without local CPU help and further-

more, the CPU can be treated as one of the Bus Masters. PCI 2.1 supports concur-

rent PCI operation to allow the local CPU and bus master to work simultaneously.

Plug and Play BIOS

The ISA bus architecture requires the allocation of memory and I/O address, DMA

channels and interrupt levels among multiple ISA cards. However, configuration of

ISA cards is typically done with jumpers that change the decode maps for memory

and I/O space and steer the DMA and interrupt signals to different pins on the bus.

Further, system configuration files may need to be updated to reflect these changes.

Users typically resolve sharing conflicts by referring to documentation provided by

each manufacturer. For the average user, this configuration process can be unreli-

able and frustrating. Plug and play (PnP) BIOS eliminates the ISA add-on card hard-

ware conflict problem. The PnP BIOS uses a memory block to define and remember

each card's configuration, which allows the user to change the card's IRQs and DMA

in BIOS either automatically or manually.

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 mother-

board circuitry, the display, the keyboard, the diskette drive, and other I/O devices.

PS/2 Port

PS/2 ports are based on IBM 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.

RAM (Random Access Memory)

There are several different types of RAM such as DRAM (Dynamic RAM), EDO

DRAM (Extended Data Output DRAM), SDRAM (Synchronous DRAM).

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