
13 Chapter 2 Installation
2.7 Solid State Disk
The PCM-3375 provides a CompactFlash card socket for Solid state disk
solutions.
2.7.1 CompactFlash (CN18)
The CompactFlash card shares a secondary IDE channel which can be
enabled/disabled via the BIOS settings.
2.8 Keyboard and PS/2 mouse connector (CN14)
The PCM-3375 board provides a keyboard connector that supports both a
keyboard and a PS/2 style mouse. In most cases, especially in embedded
applications, a keyboard is not used. If the keyboard is not present, the
standard PC/AT BIOS will report an error or fail during power-on self-
test (POST) after a reset. The PCM-3375’s BIOS standard setup menu
allows you to select “All, But Keyboard” under the “Halt On” selection.
This allows no-keyboard operation in embedded system applications,
without the system halting under POST.
2.9 Power connectors (CN12)
2.9.1 AT power connector, +5V (CN12)
Supplies main power to the PCM-3375, +5V +/-5%, +12V +/-5% (5V
only, 12V optional for PC104 add on card and LCD inverter)
2.10 COM port connector (CN17)
The PCM-3375 provides one RS-232 serial port and one RS-232/422/485
serial port. It provides connections for serial devices (a mouse, etc.) or a
communication network. You can find the pin assignments for the COM
port connector in Appendix B.
2.11 CRT/LVDS/TTL interface connections (CN10, CN6,
CN3)
The PCM-3375’s VGA interface can drive conventional CRT displays
and is capable of driving a wide range of LVDS/TTL flat panel displays.
The board has three connectors to support these displays: one is for stan-
dard CRT VGA monitors, another is for LVDS type LCD panel and the
other is for TTL LCD panel.
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