BDM-610000087 Rev A
Chapter 1: Introduction 15
Migrating to RTD’s Intel E3800 Series cpuModules
When migrating to RTD’s Intel E3800 Series cpuModules, there are several differences from some
preceding RTD cpuModule product families of which the customer should be aware.
Connector Pinout & Function Differences
The Intel E3800 Series cpuModules have several connector-related differences, which are summarized
below. Complete information about the connectors on the CMA24BT can be found in Chapter 3,
.
New I/O Connectors
The CMA24BT cpuModule introduces a new I/O connector that was not present on some previous RTD
cpuModules:
•
DisplayPort (CN19)
– Provides video and audio output
– Unlike legacy LVDS and flat panel connectors which needed to have their BIOS
pre-configured to a specific manufacturer’s flat panel parameters, the DisplayPort
connector is compatible with any display that has a DisplayPort interface.
Connector Differences
While some connectors on the CMA24BT have identical pinouts as on previous cpuModule generations,
the features of the connector are sometimes different. Other connectors have entirely different pinouts than
those on previous cpuModule generations. Connectors with pinout and feature differences include:
•
Auxiliary Power Connector (CN3)
– 12 pins (unlike the 10-pin connector on RTD Montevina cpuModules)
– +5V and +12V inputs (5V only auxiliary power connectors found on previous RTD
cpuModule generations)
•
While the RTD Intel E3800 Series CPU only re5 volts, +12V may optionallly
be connected to CN3 if it is required by any other device in the system.
– The Auxilliary Power Connector excludes ATX power signaling. The ATX power signals
are provided on the PCIe/104 Type 2 and PCI-104 bus connectors.
•
Utility Port 2.0 (CN5)
– Replaces the legacy Utility Port multi-function connector
– Replaces the PS/2 Mouse and Keyboard connections with one USB 2.0 port
– The pinout of the Utility Port 2.0 is
not
compatible with previous generations of RTD
cpuModules.
•
COM Ports (CN7 and CN8)
– Connector
CN7
can be configured to output Serial POST codes out of the TXD pin when
in single RS-232 mode (unlike RTD Montevina cpuModules, where the DTR pin was
configured for serial POST code output on the second port of CN7 in dual-port mode). For
more information, refer to
Serial Power-On-Self-Test (POST) Code Output
– Of all single and dual-port modes, only the single RS-232 pinout is compatible with
previous generations of RTD cpuModules.
– Dual-mode COM port pinouts permit dual RS-232, dual RS-422, and dual RS-485 modes.
Unlike some previous generations of RTD cpuModules, a dual “combined” mode with
RS-232 and RS-422/458 is not supported.
Содержание cpuModules CMA24BT
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