DFI PM12-EC, PM12-EL user manual Connecting the Serial Ports

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Hardware Installation

2.5.4

Serial Ports

 

 

 

J3

 

 

1 2

 

 

9

 

COM 1

 

 

Serial Port

2

 

1

 

9

 

 

COM 2

 

 

(J4)

The built-in serial ports are RS-232C asynchronous communication ports with 16C550A-compatible UARTs that can be used with modems, serial printers, remote display terminals, and other serial devices.You can select the serial ports’ I/O address in the Integrated Peripherals submenu (“Super IO Device” field) of the BIOS.

Connecting the Serial Ports

The system board is equipped with an onboard serial port (J3 - Teal/Turquoise) for COM 1 primary serial port located at the ATX double deck ports of the board. It is also equipped with a 9-pin connector at location J4 for COM 2 secondary serial port.

One card-edge bracket, mounted with a serial port cable, is provided with the system board. If you want to use the secondary serial port, connect the serial port cable to connector J4. Make sure the colored stripe on the ribbon cable is aligned with pin 1 of connector J4. Mount the card-edge bracket to the system chassis.

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Contents 62500230 PM12-EC PM12-ELCopyright TrademarksAll Rights Reserved FCC and DOC Statement on Class B Mainboard Table of Contents Function Appendix B System Error MessagesAppendix C Troubleshooting Supported SoftwaresProcessor Features and SpecificationsFeatures ChipsetIntroduction Onboard Audio FeaturesOnboard LAN Features PM12-EL only Onboard Graphics FeaturesConnectors Rear Panel I/O Ports PC 99 color-coded connectorsDesktop Management Interface DMI PCI Bus Master IDE ControllerIrDA Interface USB PortsWake-On-LAN Dual Function Power ButtonIntroduction Intelligence Wake-On-RingRTC Timer to Power-on the System Wake-On-PS/2 Keyboard/MouseWake-On-USB Keyboard/Mouse Virus Protection AC Power Failure RecoveryPackage Checklist PM12-EC Mainboard LayoutSupports onboard LAN Hardware InstallationDDR System MemoryHardware Installation Installing the DIM Module JP1 Jumper Settings for Clearing Cmos DataHardware Installation Jumper Settings for Selecting the PS/2 Power PS/2 power selectOn VCC power Rear Panel I/O Ports Accordingly. Refer to for more information Hardware Installation 1 PS/2 Mouse and PS/2 Keyboard PortsJ11 PS/2 Mouse PS/2 KeyboardHardware Installation 2 RJ45 Fast-Ethernet Port PM12-EL only Hardware Installation Universal Serial Bus Ports USB 3 and USB J13Additional USB Ports USB 3 and USB Pin Function Hardware Installation Serial Ports Connecting the Serial PortsRate Hardware Installation Parallel PortStandard Parallel Port One direction only Allows parallel port to operateHardware Installation VGA Port VGA1VGA Port Hardware Installation 2.5.7 Game/MIDI Port CN301Game/MIDI Port Line-out Line-in Mic-in Front audio J21 Front Audio J21 Hardware Installation Audio JacksFront Audio J21 Onboard Audio JacksJ18 Pin I/O ConnectorsInternal Audio Connectors J19Hardware Installation 2.6.2 Floppy Disk Drive Connector Connecting the Floppy Disk Drive CableFDD J6 Connecting the IDE Disk Drive Cable Hardware Installation IDE Disk Drive ConnectorAdding a Second IDE Disk Drive IrDA J8 Hardware Installation IrDA ConnectorJ15 Hardware Installation 2.6.5 CPU Fan ConnectorJ14 Hardware Installation Chassis Fan ConnectorHardware Installation 2.6.7 Wake-On-LAN Connector Wake-On-LAN+5VSB Ground Wake-On-Ring Hardware Installation Wake-On-Ring ConnectorPCI Standby Power LED Hardware Installation 2.6.9 LEDsDimm Standby Power LED PCI Standby Dimm Standby Power LEDJ17 Hardware Installation Power ConnectorsATX Main Power Connector Pin Function 12V Ground +5V +12V +5V +12V Power Connector Pin Function GroundGround +5V Front panel Connectors J10 PWR-LED Power/Standby LED Standard Cmos Features When you press Del, the main menu screen will appearBasic Input/Output System Award Bios Setup Utility DateTime Capacity Access ModeIDE HDD Auto Detection IDE Primary Master/Slave and IDE Secondary Master/SlaveLanding Zone CylinderHead PrecompTotal Memory Halt OnBase Memory Extended MemoryVirus Warning Award Bios Setup Utility Advanced Bios FeaturesSwap Floppy Drive Quick Power On Self TestCPU L1 & L2 Cache CPU L2 Cache ECC CheckingTypematic Delay Msec Boot Up Floppy SeekBoot Up NumLock Status Typematic Rate SettingVideo Bios Shadow Security OptionOS Select for Dram 64MB Award Bios Setup Utility Advanced Chipset Features Dram Clock Dram Clock/Drive ControlCurrent FSB Frequency Current Dram FrequencyBank Interleave Dram Command RateDram Timing Sdram CAS LatencyAGP Driving Control AGP ModeAGP & P2P Bridge Control AGP Aperture SizeAGP Master 1 WS Write Select Enabled to support the AGP Fast Write functionAGP Driving Value AGP Fast WritePCI Master 0 WS Write PCI Delay TransactionCPU & PCI Bus Control CPU to PCI Write BufferVGA Share Memory Size System Bios CacheableMemory Hole Video RAM CacheableVIA OnChip IDE Device Award Bios Setup Utility Integrated PeripheralsIDE Prefetch Mode On-Chip IDE Channel 0 and On-Chip IDE ChannelIDE Primary Master/Slave PIO and IDE Secondary Master/Slave Onboard LAN PM12-EL only Onboard LAN Boot ROM PM12-EL onlyVIA OnChip PCI Device Onboard AC97 AudioSuper IO Device Onboard FDC ControllerOnboard Serial Port 1 and Onboard Serial Port Use IR Pins Uart Mode SelectIR Transmission Delay UR2 Duplex ModeGame Port Address Parallel Port ModeEPP Mode Select ECP Mode Use DMAUSB Keyboard Support IDE HDD Block ModeInit Display First OnChip USB ControllerAward Bios Setup Utility Power Management Setup Acpi FunctionAcpi Suspend Type Video Off Option Power Management OptionHDD Power Down Suspend ModePWR Lost Resume State Run Vgabios if S3 ResumeModem Use IRQ Soft-Off by PwrbtnPS2KB Wakeup Select 5.12 IRQ/Event Activity DetectResume On LAN/Ring USB Resume from S3PCI Master Resume on PCI EventResume on Alarm Date of MonthResume Time hhmmss IRQ15 IRQs Activity MonitoringResources Controlled By Award Bios Setup Utility 6 PnP/PCI ConfigurationsPNP OS Installed Reset Configuration DataAssign IRQ for USB IRQ Resources6.5 PCI/VGA Palette Snoop Assign IRQ for VGAPCI Slot 1 Use IRQ to PCI Slot 3 Use IRQ Auto Detect PCI/DIMM Clk Award Bios Setup Utility Frequency/Voltage ControlCPU Clock Ratio This field is used to select the CPU’s frequency ratioCPU Clock Load Optimized Defaults Award Bios Setup Utility Load Fail-Safe DefaultsSet User Password Award Bios Setup Utility Set Supervisor PasswordExit Without Saving Award Bios Setup Utility Save & Exit SetupUpdating the Bios Award Bios Setup Utility Running the DMI Utility Desktop Management Interface DMIEdit DMI Supported Software Using the DMI UtilitySupported Software Add DMI Load DMI FileSave DMI File Supported Software Drivers, Utilities and Software ApplicationsVIA Service Pack Installation Notes Supported Software VIA Service PackSupported Software Supported Software 2 S3 ProSavage VGA Drivers Supported Software Realtek Audio Drivers Supported Software VIA LAN Drivers PM12-EL only Supported Software VIA USB 2.0 Drivers Supported Software 4.2.6 Microsoft DirectX Supported Software McAfee VirusScan Online Installation Notes Using the Suspend to RAM Function Appendix a Using the Suspend to RAM FunctionUsing the Suspend to RAM Function 102 103 Error Messages Cmos battery is no longer functional. It should be replacedPost Beep System Error Message Monitor/Display Troubleshooting ChecklistTroubleshooting Power SupplyFloppy Drive Hard disk failure Troubleshooting Hard DriveKeyboard Troubleshooting Serial Port

PM12-EC, PM12-EL specifications

The DFI PM12-EL and PM12-EC are advanced industrial motherboards designed for versatile applications in demanding environments. These motherboards reflect DFI's commitment to quality and innovation, making them a preferred choice for various sectors such as automation, transportation, and embedded systems.

One of the standout features of the PM12-EL and PM12-EC is their support for Intel's 8th generation Core processors. This allows for exceptional performance in processing tasks, enhanced multitasking capabilities, and improved power efficiency. The integration of Intel technology ensures that these motherboards can handle intensive workloads, making them ideal for embedded applications requiring significant computational power.

In terms of connectivity, both models are equipped with multiple I/O options. They include a variety of USB ports, HDMI, and LVDS outputs, enabling seamless integration with various peripherals and devices. Additionally, they come with multiple Ethernet ports, facilitating high-speed networking crucial for real-time data processing and communication in industrial environments.

The DFI PM12-EL and PM12-EC boast robust build quality designed for durability. Their thermal management capabilities are particularly noteworthy, utilizing advanced heat dissipation technologies to maintain optimal operating temperatures. This becomes essential in scenarios where the system may be exposed to extreme conditions, ensuring reliability and longevity.

Another critical characteristic of these motherboards is their support for extended temperature ranges, making them suitable for use in harsh environments. This feature, combined with their sturdy design, ensures that the PM12 series can function effectively in various applications, from outdoor installations to factory floors.

The PM12-EL focuses on embedded applications and provides features like software configurable BIOS settings and a multitude of expansion slots for added functionality. On the other hand, the PM12-EC is tailored more toward IoT applications with enhanced wireless connectivity options, making them ideal for modern smart network setups.

Overall, the DFI PM12-EL and PM12-EC represent a fusion of cutting-edge technology, rugged design, and extensive connectivity features. They empower industries to adopt advanced computing solutions that can withstand rigorous demands while delivering outstanding performance. As industries increasingly move towards automation and the Internet of Things, DFI’s motherboards emerge as reliable foundations for developing innovative applications.