Advantech PCA-6185 Terminating the Scsi bus, Configuring the Scsi interface with SCSISelect

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7.4 Terminating the SCSI bus

To ensure reliable communication on the SCSI bus, the ends of the SCSI bus must be properly terminated. This is accomplished when the device at the end of the each cable, or the end of the cable itself, has a terminator installed (or enabled). Terminators must be removed, or termination must be disabled, on devices between the ends of each cable.

Since the method for terminating a SCSI device can vary widely, refer to the device’s documentation for instructions on how to enable or disable termination. Here are some general guidelines for termination:

•Internal Ultra 320 and Ultra 2 SCSI devices come from the factory with termination disabled and cannot be changed. Proper termination for internal Ultra 320 and Ultra2 SCSI devices is provided by a 68-pin Internal LVD (low voltage differential) SCSI cable, which has a built- in terminator at its end.

•Termination on non-Ultra 320 and Ultra2 internal SCSI devices usually is controlled by manually setting a jumper or a switch on the device, or by physically removing or installing one or more resistor modules on the device.

•Termination on most external SCSI devices is controlled by installing or removing a SCSI terminator. However, termination on some exter- nal SCSI devices is enable or disabled by setting a swetich on the back of the SCSI device.

•The last external Ultra 320 or Ultra2 SCSI device must be terminated with an LVD/SE (low voltage differential/single ended) terminator plug to ensure that the device will operate at its maximum speed. If you use a different kind of terminator plug, the data I/O rate will decrease.

By default, termination on the SCSI controller itself is set to Automatic (the preferred method). We recommend that you do not change this default setting.

7.5 Configuring the SCSI interface with SCSISelect

SCSISelect, included with the CPU card, enables you to change SCSI set- tings without opening the computer. SCSISelect also enables you to low- level format or verify the disk media of your SCSI hard disk drives. The following table lists the available and default settings for each SCSISelect option.

Note:

The default settings are appropriate for most sys-

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Contents PCA-6185 Copyright Technical support Advantech customer servicesMessage to the Customer VGA RAM 8MB Product warranty Initial Inspection Contents Chapter Award Bios Setup Chapter PCI Svga Setup Appendix a Programming the Watchdog Timer Hardware Configuration Introduction Features Specifications SystemMemory Input/OutputIndustrial features Mechanical and environmental specificationsVGA interface Ethernet LANJumpers and Connectors JumpersLAN2 Board Layout Jumper and Connector Locations Jumper and connecter locationsDaughter board layout PCA-6185 User’s Manual Safety Precautions Jumper SettingsHow to set jumpers Cmos clear J1Cmos clear J1 PCI bus type setting selection JP1 CPU FSB Frequency setting JP7Memory Installation Procedures System MemorySample calculation Dimm memory capacity Supplementary information about DIMMsCPU Installation Cache MemoryRAM Module Approval List Gigabit LAN Card Approval ListRAID Card Approval List Card Vendor Card Part No Speed typePCA-6185 User’s Manual Connecting Peripherals Primary CN1 and Secondary CN2 IDE Connec- tors Floppy Drive Connector CN3 Parallel Port CN4VGA Connector CN7 USB Ports CN6/CN2610/100/1000Base-T Ethernet CN8 and CN34 Serial Ports CN9 COM1 CN10 COM2CPU Fan Connector CN14 PS/2 Keyboard and Mouse Connectors CN11External Keyboard Connector CN12 Front Panel Connectors CN16, 17, 18, 19, 21&22 Power LED CN16HDD LED CN19 Reset CN18External speaker CN17 ATX Power Control Connectors CN20 SM Bus Connector CN29Connecting to SNMP-1000 remote manager If you will not be using an ATX power connector Award Bios Setup Cmos RAM auto-backup and restore Entering Setup Award Bios Setup initial screenStandard Cmos Setup Standard Cmos features screenAdvanced Bios Features Advanced Bios featuresSwap Floppy Drive Boot Seq & Floppy SetupBoot UP Floppy Seek Cache Setup Console RedirectionQuick Power On Self Test Boot Up NumLock StatusTypematic Rate Setting Typematic Delay msecOS Select for Dram 64MB MPS Version Control for OSMemory Auto Precharge Advanced Chipset FeaturesSystem Bios Cacheable IDE Funtion Setup IDE HDD Block ModeIntegrated Peripherals ScrubbingSuper I/O Function Setup Onboard DevicesPower Management Setup Power-supply TypePower Management Pwron After PWR-FailVideo Off Method SYNC+BLANKPnP/PCI Configurations PnP OS InstalledVideo Off In Suspend Soft-Off by PwrbtnReset Configuration Data Resources controlled by CPU Warning TemperaturePC Health Status 4 PCI/VGA Palette SnoopLoad Setup Defaults Password SettingSave & Exit Setup Exit Without SavingPCI Svga Setup Plied Setup program to install the drivers Before you beginVGA Installation License window, click on Yes to continue Page PCA-6185 User’s Manual LAN Configuration Driver Installation Windows NT Drivers Broadcom 5703/4 Procedure PCA-6185 User’s Manual Page Windows 2000 Drivers Broadcom 5703/4 Proce- dure Page PCA-6185 User’s Manual Page PCA-6185 User’s Manual Onboard Security Setup Installation Windows XP/2000 Drivers Setup Procedure Windows XP/2000PCA-6185 User’s Manual Scsi Setup Understanding Scsi Scsi IDs Configuring the Scsi interface with SCSISelect Terminating the Scsi busScsi Select Options Available Settings Default Settings Starting SCSISelect Exiting SCSISelectUsing SCSISelect Settings Scsi Device ConfigurationEnabled Advanced Configuration OptionsPage PCA-6185 User’s Manual Using Scsi Disk Utilities Installation under Windows NT/WindowsWindows 2000 Driver setup procedure Click on Update Driver Click on Next Recommend to serach for a better driver Page Windows NT Driver Setup Procedure Page PCA-6185 User’s Manual Installation of Scsi Driver is completed. Click on OK PCA-6185 User’s Manual Programming the Watchdog Timer Appendix a Programming the Watchdog Timer Programming the Watchdog TimerReturn PCA-6185 User’s Manual Pin Assignments IDE Hard Drive Connector CN1, CN2 Appendix B Pin AssignmentsLow active Parallel Port Connector CN4 USB Connector CN6 Keyboard and Mouse Connnector CN11 CPU Fan Power Connector CN14 Power LED CN16External Speaker Connector CN17 Reset Connector CN18HDD LED Connector CN19 ATX Feature Connector CN20ATX Soft Power Switch CN21 SM Bus Connector CN29System I/O Ports DMA Channel AssignmentsInterrupt Assignments 19 1st MB Memory MapPCI Bus Map Table B.20 PCI bus mapPCA-6185 User’s Manual 104

PCA-6185 specifications

The Advantech PCA-6185 is a high-performance, industrial-grade single-board computer designed for a variety of applications, particularly in automated, industrial, and embedded systems. It leverages the powerful Intel architecture to deliver robust computing power, making it an ideal choice for those needing reliability and performance in mission-critical environments.

One of the main features of the PCA-6185 is its support for the Intel Core i7/i5/i3 and Celeron processors, providing significant processing capabilities while ensuring energy efficiency. This range of processor options delivers the flexibility needed to tailor the board to specific application requirements, allowing users to balance performance with thermal constraints effectively.

In terms of memory, the PCA-6185 supports dual-channel DDR4 SO-DIMM slots, accommodating up to 32GB of RAM. This generous memory capacity improves multitasking capabilities and allows for demanding applications to run smoothly. Additionally, the onboard Intel HD Graphics engine enhances video processing performance, supporting 4K resolution outputs for advanced graphical applications.

The I/O capabilities of the PCA-6185 are extensive, with multiple options for connectivity and expansion. It features a variety of ports, including USB 3.0, USB 2.0, Serial ports, and Ethernet interfaces, enabling seamless integration with other devices and networks. The board offers PCIe expansion slots for added flexibility, allowing developers to customize their systems with specialized hardware.

Durability and reliability are significant considerations for any industrial application, and the PCA-6185 excels in this area as well. Designed to withstand harsh environmental conditions, it has a wide operating temperature range, making it suitable for deployment in demanding settings. Its fanless design also contributes to longevity by reducing wear and tear on moving components.

Another noteworthy characteristic is the board’s support for various operating systems, including Windows and Linux. This compatibility ensures that developers can choose their preferred environment, enhancing software integration and development speed.

In summary, the Advantech PCA-6185 is a versatile and powerful single-board computer that adeptly meets the needs of industrial and embedded applications. With its robust Intel processing capabilities, substantial memory support, and extensive I/O options, it provides a reliable foundation for complex tasks in challenging environments. Its durability and flexibility make it a top choice for engineers and developers looking to create efficient and long-lasting computing solutions.
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