Kontron COMe Starterkit Eval T2 - Manual (Page 12)

Preface
Term Description
HDMI High Definition Multimedia Interface
I2C Inter Integrated Circuit – 2 wire (clock and data) signaling scheme allowing communication
between integrated circuits, primarily used to read and load register values.
IDE Integrated Device Electronics – parallel interface for hard disk drives – also known as PATA
Legacy Device Relics from the PC-AT computer that are not in use in contemporary PC systems: primarily the
ISA bus, UART-based serial ports, parallel printer ports, PS-2 keyboards, and mice.
Definitions vary as to what constitutes a legacy device. Some definitions include IDE as a
legacy device.
LAN Local Area Network
LPC Low Pin-Count Interface: a low speed interface used for peripheral circuits such as Super I/O
controllers, which typically combine legacy-device support into a single IC.
LS Least Significant
LVDS Low-Voltage Differential Signaling – widely used as a physical interface for TFT flat panels.
LVDS can be used for many high-speed signaling applications. In this document, it refers only
to TFT flat-panel applications.
MEC Media Expansion Card
Mini Module COM Express® 84x55mm Module form factor
MS Most Significant
NA Not available
NC Not connected
OBD-II On-Board Diagnostics 2 nd generation
OEM Original Equipment Manufacturer
PATA Parallel AT Attachment – parallel interface standard for hard-disk drives – also known as IDE,
AT Attachment, and as ATA
PC-AT “Personal Computer – Advanced Technology” – an IBM trademark term used to refer to Intel
x86 based personal computers in the 1990s
PCB Printed Circuit Board
PCI Peripheral Component Interface
PCI Express (PCIe) Peripheral Component Interface Express – next-generation high speed Serialized I/O bus
PCI Express Lane One PCI Express Lane is a set of 4 signals that contains two differential lines for
Transmitter and two differential lines for Receiver. Clocking information is embedded into the
data stream.
PD Pull Down
PEG PCI Express Graphics
PHY Ethernet controller physical layer device
Pin-out Type A reference to one of seven COM Express® definitions for the signals that appear on the
COM Express® Module connector pins.
PS2
PS2 Keyboard
PS2 Mouse “Personal System 2” - an IBM trademark term used to refer to Intel x86 based personal
computers in the 1990s. The term survives as a reference to the style of mouse and keyboard
interface that were introduced with the PS2 system.
PU Pull Up
ROM Read Only Memory – a legacy term – often the device referred to as a ROM can actually be
written to, in a special mode. Such writable ROMs are sometimes called Flash ROMs. BIOS
is stored in ROM or Flash ROM.
RTC Real Time Clock – battery backed circuit in PC-AT systems that keeps system time and date
as well as certain system setup parameters
S0, S1, S2, S3, S4, S5 Sleep States defined by the ACPI specificationS0 Full power, all devices powered
S1Sleep State, all context maintained
S2 Sleep State, CPU and Cache context lost
S3 Suspend to RAM System context stored in RAM; RAM is in standby
S4 Suspend to Disk System context stored on disk
S5 Soft Off Main power rail off, only standby power rail present
SATA Serial AT Attachment: serial-interface standard for hard disks
SDVO Serial Digital Video Out is a proprietary technology introduced by Intel ® to add additional video
signaling interfaces to a system. Being phased out
PICMG ® COM Express ® Carrier Board Design Guide Rev. 2.0 / December 6, 2013
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