Major Integrated Circuits (Ics); Figure 2-3. Littleboard 700 Component Location (Top View); Table 2-1. Major Integrated Circuit Description And Function - Ampro Little Board 700 Reference Manual

Chapter 2

Major Integrated Circuits (ICs)

Table 2-1 lists the major integrated circuits, including a brief description of each, on the LittleBoard 700
and Figure 2-4 shows the location of the major chips.

Table 2-1. Major Integrated Circuit Description and Function

Chip Type Mfg.
CPU (U1) Intel
Northbridge (U2) VIA Tech-
nologies, Inc.
Southbridge (U3) VIA Tech-
nologies, Inc.
Super I/O Standard
Controller (U13) Microsystems
Ethernet Intel
Controllers
(U5, U6)
On Board
Voltage
Regulation
Circuitry
Ethernet 1 (U5)
Southbridge (U3)
Ethernet 2 (U6)
(Optional on
400MHz model)
Flash (U17)
LittleBoard 700
Model
Pentium III
or Celeron
VT8606
VT82C686B
SP37E760
82551ER
L6
J5
F5
J2
L3
CPU (U1)
L2
L5
J18
U21
U25
U24 U22
U16
U17
JP4 JP3
J13
J15
J24
J16

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

Reference Manual
Description
CPUs offered at 933MHz (LV Pentium III)
LP 650MHz or 400MHz (ULP Celeron)
Northbridge functions plus Video
Southbridge (provides most standard I/O
functions )
The I/O controller provides two
additional serial ports
Ethernet– These chips provide two
independent 10/100BaseT based network
channels.
J4
JP9
U27
U26
J28
U4
U33
J23
JP5
JP6
JP7
U9
J7
JP8
J11
U14 U12
U8 U7
J14 J17
J12
Product Overview
Function
Embedded
CPU
Memory
and Video
I/O
Functions
Serial ports
Ethernet
functions
J3
CPU (U1)
Northbridge (U2)
Audio
Amplifier (U27)
Audio
CODEC (U26)
Clock (U4)
Battery (Bat1)
J32
J10
11