Major Integrated Circuits (Chips); Figure 2-3. Component Location (Top View); Table 2-1. Major Integrated Circuit Description And Function - Ampro LittleBoard800 Reference Manual

Chapter 2

Major Integrated Circuits (Chips)

Table 2-1 lists the major integrated circuits, including a brief description of each, on the LittleBoard 800
and Figures 2-3 and 2-4 show the locations of the major integrated circuits (chips).

Table 2-1. Major Integrated Circuit Description and Function

Chip Type
CPUs (U1)
Memory Hub (U2)
I/O Hub (U3)
Super I/O 1 & 2
(U14, U16)
Ethernet Controllers
(U9, U11)
ISA Bridge (U41)
L6
CPU (U1)
Q13
Q8
L5
Clock (U23)
I/O Hub
(U3)
(Southbridge)
Flash (U13)
J13
J15
10
Mfg. Model
Intel Pentium M or
Celeron M
Intel 82855GME
Intel 82801DBM
SMSC LPC47B272
Intel 82551ER
82541(GI/PI)
ITE IT8888F
J26
CPU
U1
Q12
Q7
U39
J14
L16
U32
Q9
Q1
Y5
J1
U23
D6
I/O Hub
U24
U3
U13
J8
JP3
J16
J17
JP7
JP2

Figure 2-3. Component Location (Top view)

Reference Manual
Description
CPUs offered at 1.4GHz (LV
Pentium M), 1.0GHz (ULV Celeron
M), or 600MHz (ULV Celeron M)
Memory functions plus Video
Some of the I/O functions
The remaining I/O controller
functions
10/100BaseT and 10/100/1000BaseT
Ethernet controllers respectively
PCI-to-ISA bridge conversion
JP1
J3
U45
F1
J21
U7
U2
Memory Hub U25
Q5
Q2
J2
L7
JP19
L12
Q21
U40
T1
U31
Q24
JP5
JP4
J12
J10
J11
JP6
U19 U18
U15
J7
J6
Product Overview
Function
Embedded
CPUs
Memory and
Video
I/O Functions
I/O Functions
Ethernet
functions
ISA Bus
J9
Audio
CODEC
(U7)
Y3
Memory Hub
(U2)
(Northbridge)
1000BaseT
Magnetics
(T1)
10/100BaseT
Magnetics
J23
(U31)
J19
LittleBoard 800