Intel ESM-2743 Manuel d'utilisateur Page 38
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Noté. / 5. Basé sur avis des utilisateurs
ESM-2740/2743
38 ESM-2740/2743 User’s Manual
2.4.7.4 PS/2 Keyboard and Mouse Signals
Signal Signal Description
KBDAT Bi-directional keyboard data signal.
KBCLK Keyboard clock signal.
MSDAT Bi-directional mouse data signal.
MSCLK Mouse clock signal.
2.4.7.5 Serial Port Signals
Note that all serial port signals on ESM-2740/2743 connectors are logic level signals.
External transceiver devices are necessary for the conversion of the logic level signals to
the desired physical interface such as RS232, RS422, or RS485.
Signal Signal Description
DTR1#, DTR2#
Active-low data terminal ready outputs for the serial port. Handshake output signal
notifies the modem that the UART is ready to establish a data communication link.
RI1#, RI2#
Active-low input is for the serial port. Handshake signals notify the UART when a
telephone ring signal is detected by the modem.
TXD1, TXD2 Transmitter serial data output from serial port.
RXD1, RXD2 Receiver serial data input.
CTS1#, CTS2#
Active-low input for serial ports. Handshake signals notify the UART when the
modem is ready to receive data.
RTS1#, RTS2#
Active-low output for serial port. Handshake signals notify the modem when the
UART is ready to transmit data.
DCD1#, DCD2#
Active-low input for serial port. Handshake signals notify the UART when a carrier
signal is detected by the modem.
DSR1#, DSR2#
This active-low input is for serial port. Handshake signals are use to notify the
UART that the modem is ready to establish the communication link.
2.4.7.6 VGA Signals
Signal Signal Description
HSY
Horizontal Sync: This output supplies the horizontal synchronization pulse to the
CRT monitor.
VSY
Vertical Sync: This output supplies the vertical synchronization pulse to the CRT
monitor.
R, G, B
Red, green and blue analog video output signals for CRT monitors. These lines
should be terminated with 75 ohms to ground at the video connector.
DDCK, DDDA
These two pins can be used for a DDC interface between the graphics controller
chip and the CRT monitor.
- ESM-2740/2743 1
- FCC Statement 2
- Copyright Notice 2
- Trademark Acknowledgement 2
- Disclaimer 3
- Life Support Policy 3
- A Message to the Customer 3
- Avalue Customer Services 3
- Technical Support 4
- Product Warranty 5
- Contents 6
- 1. Getting started 9
- 1.4 Manual Objectives 11
- 1.5 System Specifications 12
- 1.6 Architecture Overview 14
- 2. Hardware 22
- Configuration 22
- 2.1 Product Overview 23
- 2.2 Installation Procedure 24
- Jumpers 28
- (Rear side) 29
- * Default 29
- BIT1 BIT2 29
- ON OFF DEFAULT 29
- 3. BIOS Setup 43
- 3.1 Starting Setup 44
- 3.2 Using Setup 45
- 3.3 Getting Help 46
- 3.4 In Case of Problems 46
- 3.5 Main Menu 47
- Reload Global Timer Events 64
- 4. Drivers Installation 72
- 5. Measurement 79
- Drawing 79
- Appendix A: 81
- BIOS Revisions 81
- Appendix B: 82
- AWARD BIOS POST 82
- Messages 82
- Overview 83
- Post Beep 83
- Error Messages 83
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