ADLINK Technology LitleBoard 800, Reference Manual

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Chapter 2 Product Overview
8 Reference Manual LittleBoard 800
Major Components (ICs)
Table 2-1 on page 8 lists the major ICs, including a brief description of each, on the LittleBoard 800.
Figures 2-3 and 2-4 show the locations of the chips.
Table 2-1. Major Integrated Circuit Description and Function
Chip Type Mfg. Model Description Function
CPU (U1) Intel Pentium M or
Celeron M CPUs offered at 1.4GHz (LV
Pentium M), 1.0GHz (ULV
Celeron M), or 800MHz (ULV
Celeron M) Embedded CPU
Memory Hub (U2) Intel 82855GME Memory functions plus Video Memory and
Video
I/O Hub (U3) Intel 82801DB Some of the I/O functions I/O Functions
Super I/O 1 & 2
(U14, U16)
[On back of board;
see
Figure 2-4 ]
SMC LPC47B272 The remaining I/O controller
functions I/O Functions
Audio AC’97
CODEC (U7) Realtek ALC203-LF Audio AC’97 CODEC for audio
signals Audio
In/Out
Fast Ethernet
Controller (U9)
[On back of board;
see
Figure 2-4 ]
Intel 82551ER 10/100BaseT Ethernet controller Ethernet
functions
Gigabit Ethernet
Controller (U11)
[On back of board;
see
Figure 2-4 ]
Intel 82541(GI/PI) 10/100/1000BaseT Ethernet
controller Ethernet
functions
Ethernet
Transformer (T1) Pulse H5004 Gigabit Ethernet Transformer Ethernet
Magnetics
Ethernet
Transformer (U31) Pulse H1102NLT Fast Ethernet Transformer Ethernet
Magnetics
RS232 Transceiver
(U17) [On back of
board; see
Figure 2-
4 ]
Maxim MAX213EEAI RS232 Transceiver for COM1
and COM2
Serial Ports 1
and 2
Transceiver
RS485/422
Transceiver (U18) Linear LTC1334CG#
PBF RS422/485 Transceiver for
COM1 and COM2 Serial Ports 1
and 2
Transceiver
RS232 Transceiver
(U19) Maxim MAX213EEAI RS232 Transceiver for COM3
and COM4
Serial Ports 3
and 4
Transceiver
RS485/422
Transceiver
(U20)[On back of
board; see
Figure 2-
4 ]
Linear LTC1334CG#
PBF RS422/485 Transceiver for
COM3 and COM4 Serial Ports 3
and 4
Transceiver
ISA Bridge (U51)
[On back of board;
see
Figure 2-4 ]
ITE IT8888F PCI-to-ISA bridge conversion ISA Bus