
Chapter 2 Product Overview
12 Reference Manual CoreModule 920
RS-232 Transceiver
(U20)
Texas
Instruments
TR3253EIRSMR Transceiver for
Serial 1 RS-232
signals
Transmits and
receives RS-232
signals for
COM1
RS-232 Transceiver
(U21)
Texas
Instruments
TR3253EIRSMR Transceiver for
Serial 2 RS-232
signals
Transmits and
receives RS-232
signals for
COM2
Solid State Drive
[SSD] - SATA (U22)
- on bottom side [see
Figure 2-4])
Greenliant GLS85LS1008P Industrial-grade
soldered solid-state
storage module
Provides solid
state storage
through SATA
port 2
Hardware Monitor
(U27) [on bottom
side; see Figure 2-4]
ON
Semicondu
ctor
ADT7490-D Remote Voltage and
Temperature
Monitor and Fan
Controller
Provides system
thermal
protection
SPI Flash (U28) Winbond W25Q64BVSSIG Serial Peripheral
Interface Flash
Memory chip (for
firmware)
Stores BIOS in
Flash Memory
HDMI Level Shifter
(U48)
ST
Microelectr
onics
STHDLS101TQTR HDMI level-shift IC
for HDMI video
Converts HDMI
differential input
from the PCH to
TMDS
differential
output for the
HDMI interface
EEPROM, DDR3
(U66 - on bottom
side [see Figure 2-4])
Atmel AT24C02C Two-Wire Serial
EEPROM for SPD
(Serial Presence
Detect)
Provides storage
for System
Memory
configuration
data
EEPROM,
PCIe-to-PCI Bridge
(U67 - on bottom
side [see Figure 2-4])
Atmel AT24C02C Two-Wire Serial
EEPROM for PCIe-
to-PCI Bridge
Stores PCIe-to-
PCI bridge
configuration
data
Transformer -
Gigabit Ethernet
(T1)
Wurth
Elektronik
7490200110 Gigabit Ethernet
Magnetics
Provides
electrical
isolation for
Gigabit Ethernet
PHY transceiver
(GLAN1)
Transformer -
Gigabit Ethernet
(T2)
Wurth
Elektronik
7490200110 Gigabit Ethernet
Magnetics
Provides
electrical
isolation for
Gigabit Ethernet
controller
(GLAN2)
Table 2-1. Major Component Descriptions and Functions (Continued)
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