Kontron COMe Starterkit Eval T2 Uživatelský manuál stáhnout pdf (Strana 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

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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