Chapter 2

Product Overview

Major Integrated Circuits (ICs)

Table 2-1 lists the major integrated circuits, including a brief description of each, on the ReadyBoard 700 and Figure 2-3 shows the location of the major chips.

Table 2-1. Major Integrated Circuit Description and Function

Chip Type

Mfg.

Model

Description

Function

CPU (U4)

Intel

Pentium III

CPUs offered at 933MHz (Pentium III)

Embedded

 

 

or Celeron

650MHz or 400MHz (Celeron)

CPU

Northbridge

VIA

VT8606

Northbridge functions plus Video

Memory

(U7)

Technologies, Inc.

(Twister-T)

 

and Video

Southbridge

VIA

VT82C686B

Southbridge (provides most standard I/O

I/O

(U10)

Technologies, Inc.

 

functions )

Functions

Super I/O

WinBond

W83877TF

Super I/O controller for GPIO and Serial

Some I/O

Controller (U3)

Electronics Corp.

 

ports 3 and 4

Functions

Ethernet

Intel

82551ER

Controllers provide two independent

Ethernet

Controllers

 

 

10/100BaseT Ethernet channels

functions

(U9, U11)

 

 

 

 

Super I/O

Power Circuitry

 

 

 

 

J1

 

 

J3

4

3 J2

U1

U12

Q11

J4

 

 

 

 

U2

JP6

 

 

 

1

 

2

JP1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U32

J5

U3

U4

CPU (U4)

(U3)

JP2

J26

J6

D1

Y1

Ethernet 1 (U9)

Ethernet 2 (U11)

J8

J9

J10

J11

J15

J16

J19

J18

SW1

D4

J21

J7

J13

J14

U5

U33

U8U7

Y2

U9

Y3

U11

U14 U15

X2

J20

U6

J12

U10

 

 

 

 

D2

X1

 

U13

U12

JP3

BT1J17

 

 

 

 

 

JP5

 

 

 

J22

JP4

Clock (U6)

Northbridge (U7)

Southbridge (U10)

RB700_01ab

AC’97 Audio CODEC (U14)

Figure 2-3. ReadyBoard 700 Component Location (Top view)

10

Reference Manual

ReadyBoard 700

Page 16
Image 16
Ampro Corporation 700 manual Major Integrated Circuits ICs, Chip Type Mfg Model Description Function, Cpu, Via