Owner manual

Chapter 2 Product Overview
Express-HRR Reference Manual 9
Major Components (ICs)
Table 2-2 lists the major integrated circuits on the Express-HRR, including a brief description of each IC.
Figures 2-3 and 2-4 show the locations of the major ICs.
Table 2-2. Major Integrated Circuit Descriptions and Functions
Chip Type Mfg. Model Description Function
CPU (U1) Intel Core i7 (2610UE,
2715QE, and
2655LE)
1.5GHz, 2.1GHz, or
2.2GHz processors with
up to 8MB L3 cache
Provides
integrated CPU,
memory, and
video
PCH (Platform
Controller Hub
[U3])
Intel BD82QM67
(PCH)
I/O hub providing
Southbridge functions
(standard I/O functions)
Provides I/O
interfaces such
as USB, SATA,
and video
Hardware
Monitor (U6)
[on bottom side;
see Figure 2-4
on page 11]
ON
Semiconductor
ADT7490-D Remote Voltage and
Temperature Monitor
and Fan Controller
Provides system
thermal
protection
TPM (Trusted
Platform
Module [U7])
Atmel AT97SC3204-
U1A90
Complete turnkey
security solution on a
single chip
Provides an
integrated,
protected, non-
volatile solution
for strong public
key security,
intellectual
property
protection,
system integrity,
authentication,
and secure
communications
Board Controller
(U8) [on bottom
side; see
Figure 2-4 on
page 11]
Atmel ATMEGA168V-
10AU
Micro controller for
board functions
including I
²
C,
Watchdog Timer, and
LVDS
Optimizes
power
consumption
versus processor
speed
GPIO Generator
(U9)
Philips PCA9535BS Module providing 16
bits of GPIO expansion
for I2C/SMBus
applications
Provides
additional
digital control
lines
Gigabit Ethernet
PHY
Transceiver
(U46)
Intel 82579LM Ethernet PHY
transceiver for
10T/100TX/1000T
Gigabit Ethernet
function
Provides a
standard IEEE
802.3 Ethernet
interface for
Ethernet transfer
rate up to 1000
Mb/s