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Chapter 2
Product Overview
8
Reference Manual
MightyBoard 821
Figure 2-3. Component Locations
Table 2-1. Major Component Descriptions and Functions
Chip Type
Mfg.
Model
Description
Function
CPU (U10)
Intel
Pentium M,
Celeron M
2.0GHz, 1.5GHz CPUs
Embedded
CPU
Memory Hub (U7)
Intel
915GM
Memory and Video functions
Memory
and Video
I/O Hub (U3)
Intel
82801FB
Provides some of the I/O functions (HDD,
Audio, USB, LAN, PCI)
I/O
Functions
Super I/O (U5)
Nuvoton
W83627HF
Provides most of remaining I/O functions
(FDD, COM1/2, KB, MS, LPT, Fan,
IrDA)
I/O
Functions
LPC (I/O) UART
Controller (U13)
FinTech
F81216D
LPC controller for Serial Ports 3 & 4
(COM 3 & 4)
UART
(I/O)
Controller
Audio '97 CODEC
(U15)
Realtek
ALC202A
Audio '97 CODEC for audio In/Out
signals
Audio
In/Out
Ethernet
Controllers
(U8, U11)
Intel
82573V
Ethernet – These chips provide two
independent 10/100BaseT and 1000BaseT
network channels respectively
Ethernet
Functions
U8
U11
U10
U5
U7
U3
U15
U13