Ampro Corporation 700 Major Integrated Circuits ICs, Chip Type Mfg Model Description Function

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