ADLINK LittleBoard 735 - Manual (Page 14)

Chapter 2 Product Overview
8 Reference Manual LittleBoard 735
Major Components (ICs)
Table 2-1 lists the major ICs on the LittleBoard 735, including a brief description of each. Figures 2-3 and
2-4 show the locations of the chips.
Table 2-1. Major Integrated Circuit Descriptions and Functions
Chip Type Mfg. Model Description Function
CPU (U1) Intel Atom N270 Single-core 1.6GHz, 2.5W
processor with on-die 512kB, 8-
way L2 cache Manages
Northbridge
graphics and
memory hubs
and
Southbridge
I/O hub
Graphics and
Memory Chipset
(U2) Intel 82945GSE Northbridge Graphics and
Memory controller hub Provides
graphics
controller
and memory
controller
I/O Hub (U4) Intel 82801GBM
(ICH7-M) Southbridge Input/Output
controller hub Provides
interfaces
and
controllers
for peripheral
devices
Super I/O
(U15 on back of the
board)
[See
Figure 2-4 ]
SMSC SCH3114I-NU Legacy I/O controller Provides
LPC I/O
functions for
serial, floppy,
parallel, and
utility
interfaces
Ethernet Controller
1 (U10) Intel 82574IT GLAN1 Gigabit Ethernet
controller
Generates
PCIe 10T/
100TX/
1000T
Ethernet
signals
Ethernet Controller
2 (U37) Intel 82574IT GLAN2 Gigabit Ethernet
controller Generates
PCIe 10T/
100TX/
1000T
Ethernet
signals
ISA Bridge (U13) ITE IT8888F Interface between PCI bus and
ISA bus Migrates
legacy ISA
bus
Audio AC’97
CODEC (U14) Realtek ALC203-LF Encoder and decoder of audio
data for transmission, storage,
encryption, playback, or editing Supports 20-
bit DAC and
18-bit ADC
resolutions