IBM 6278, 6288 Chapter, System, features, technology, Features, L2 cache, Chip set control, board

Chapter 2. System board features

Chapter 2.		System	board	features
This	section	includes	information about system board features. For an illustration of t
see	“System board, types 6268, 6278, and 6288” on page 13.
Celeron	microprocessor with MMX			technology

PC 300GL Types 6268, 6278, and 6288 comes with an Intel Celeron microprocessor. The microprocessor, which has a heat sink attached, plugs directly into a connector on th

More information about this microprocessor is available at http://www.intel.com on the W

Features

The features of this microprocessor are as follows:

Ÿ	Optimization for 32-bit software
Ÿ	Operation at a		lower	voltage	level	than previous microprocessors
Ÿ	64-bit	microprocessor		data bus
Ÿ	66 MHz	FSB
Ÿ	128 KB	L2 cache integrated into the microprocessor
Ÿ	Cache	operates	at processor		core	speed

–4-way set associative

–Nonblocking

Ÿ 32-bit microprocessor address bus

ŸMath coprocessor

Ÿ MMX technology, which boosts the processing of graphic, video, and audio data

L2 cache

The Celeron microprocessor provides 128 KB L2 cache. (For information on overriding set Configuration/Setup Utility program,PC 300GL inUser Guide.)

Chip set control

The Intel 810 chip set is the interface between the microprocessor and the followi

ŸMemory subsystem

ŸPCI bus

Ÿ	IDE	Bus	Master	connection
Ÿ	Low	Pin	Count (LPC)	bus

ŸUSB ports

ŸSMBus

Ÿ	Enhanced DMA controller
Ÿ	Real-time clock (RTC)
Ÿ	Audio coder/decoder (codec)

 Copyright IBM Corp. September 1999 3