IBM BDM-610000049 Legacy Mode and Native Mode IDE, Configuring the ATA/IDE Disk Chip Socket

Page 78

Legacy Mode and Native Mode IDE

The onboard EIDE controller may be configured as a either a Legacy or Native Mode IDE controller in the BIOS Setup. However, the operating system must support the selected mode for the device to operate correctly. The default configuration for the controller is Legacy Mode, as this is supported by most operating systems.

Legacy Mode

Legacy mode is the default configuration of the onboard EIDE controller. When in this mode, the controller will be fixed to use two interrupts: IRQs 14 and 15. Similarly, the I/O address of the controller will be fixed in the system. When in Legacy Mode, only a primary and secondary channel may be used in the system.

Native Mode

Native Mode allows more flexibility, as the system resources used by the IDE controller may be modified. When in Native Mode, the IDE controller only requires a single IRQ. Unlike Legacy Mode, this IRQ may be changed by the user or the operating system for better distribution of the system IRQs. When IRQs in the system are more evenly distributed, interrupt latency is minimized. The base address of the controller may also be modified.

Configuring the ATA/IDE Disk Chip Socket

The cpuModule was designed to be used in embedded computing applications. In such environments, rotating media like hard disks and floppy disks are not very desirable. It is possible to eliminate rotating storage devices by placing your operating system and application software into the cpuModule's ATA/IDE Disk Chip socket.

WARNING Before installing a device in the ATA/IDE Disk Chip socket, the system must be configured in the correct mode. For details on configuring the socket, refer to Chapter 4, Using the cpuModule

Before installing a device in the ATA/IDE Disk Chip socket, it is highly recommend to first configure the secondary IDE controller and device mode in the BIOS setup.

The secondary IDE controller must be enabled in the BIOS to allow read and write access to the device. When a device is installed in the socket, it will always appear as a master on the cpuModule’s secondary IDE controller.

From the BIOS setup screen, the user can also configure whether the socket contains a DMA mode or PIO mode device.

DMA Mode: DMA mode will reduce CPU overhead.

PIO Mode: When the socket is in PIO mode, PIO transfers are supported. PIO mode supports write protection.

68 CMX158886 cpuModule

BDM-610000049 Rev G

Image 78
Contents CMX158886 cpuModules BDM-610000049 Revision GRevision History Revision Date Reason for Change 12/13/06 Initial releaseCMX158886 cpuModules Iv CMX158886 cpuModule Table of Contents MultiPort CN6 Audio CN11MultiPort Advanced Digital I/O Ports aDIO Port 1 Data register is a read/write byte directionSystem Recovery User EepromApplication Notes 107 CMX158886 cpuModule Chapter CMX158886 cpuModules CMX158886 cpuModule top viewThermal Monitor Error-Correction Codes Selected Models OnlyEnhanced Intel SpeedStep PX only ADIO with Wake-on-aDIOCMX158886 cpuModule CMX158886 cpuModule Model Options Ordering InformationCMX158886 Model Options Part Number DescriptionCable Kits and Accessories Board Features VGA, SVGA, XGA, SXGA, Uxga Bios 10 CMX158886 cpuModule Block Diagram CMX158886 cpuModule Simplified Block DiagramPower Consumption SpecificationsPhysical Characteristics Electrical CharacteristicsIoc Electrical CharacteristicsSymbol Parameter Test Condition Min Max VosOutput Voltage Low Common ModeOutput Voltage High Input Voltage HighContact Information 16 CMX158886 cpuModule Getting Started Connector Locations CMX158886 Connector LocationsCMX158886 Basic Connectors Connecting the Utility Cable Connecting a KeyboardConnecting to the PC/104-PlusPCI Bus Slot Selection Switches PCI Bus Expansion Card PowerPCI Bus Signaling Levels Booting the CMX158886 cpuModule for the First Time Connecting the cpuModule Proper Grounding Techniques PC/104-PlusPCI Bus 120-pin Auxiliary Power CN3 Auxiliary Power Connector CN31Pin Signal Function GND Pin Signal Function In/Out Utility Port Connector CN5Utility Port Connector CN5 SpeakerKeyboard System ResetSoft Power Button MouseBattery Svga Video Connector CN18 Svga Video Connector CN18Svga Video Resolutions Resolution Colors Refresh RatesManufacturer Model Number Resolution Color Depth Lvds Flat Panel Video Connector CN19Flat Panel Video Connector CN19 Tested Lvds PanelsEide Connector CN10 Eide Connector CN101Pin Signal Installing and Configuring the ATA/IDE Disk Chip ATA/IDE Disk Chip Socket U16ATA/IDE Disk Chip Socket U161 CMX158886 before and after ATA/IDE Disk Chip Installation Serial Port in RS-232 Mode RS-232 Serial Port DefaultSerial Port Settings Serial Port 1 CN7 and Serial Port 2 CN8Full-Duplex Connections Half-Duplex RS-485 ModeRS-422 or RS-485 Serial Port PortTransmit Data + Serial Port in RS-422/485 ModePin Signal Function In/Out DB-9 Receive Data + ResevedDual Serial Port Modes Dual Serial Port ModesDual Serial Port Connections COM a RS-232 and COM BRS-232COM a RS-422/485 and COM B RS-232 COM a RS-422/485 and COM B RS-422/485MultiPort aDIO Pinout MultiPort Configured as an Advanced Digital I/O aDIO PortMultiPort CN6 CN6 Pin FunctionMultiPort Configured as a Parallel Port MultiPort Connector CN6 as a Parallel PortCN6 Pin Signal Function In/Out DB-25 Odd pins MultiPort Configured as a Floppy Drive ControllerMultiPort Connector Floppy Pinout CN61 CN6 Pin Function DB-25 Floppy Drive PinUSB 2.0 Connector CN17 USB Connector CN1746 CMX158886 cpuModule Ethernet 10/100Base-T and -TX Connector CN20 Ethernet Connector CN20RJ-45 Pin Pin DIL Pin Signal Function In/Out Audio Connector CN11 Pin DIL Pin Signal Function In/OutAudio CN11 PC/104-PlusBus Signal Assignments1 PC/104-PlusPCI Bus CN16Pin PC/104-PlusPCI Bus Signals Address and DataPower Supplies and VIO Legacy/ISA DMA Request Bridge Link CN4Bridge Link CN4 Serial Interrupt RequestExternal Power Management CN12 Optional RTC Battery Input CN13Fan Power, +5 V CN14 Fan Power, Switched CN15 Fan Power, Switched CN15+5 Volts DC, switched Using the cpuModule Entering the Bios Setup RTD Enhanced AMI BiosConfiguring the RTD Enhanced AMI Bios Setup KeysMain Menu Setup Fields Main Menu Setup FieldsPower On Self Test Post Codes Field Active Keys SelectionsBooting to Boot Block Flash with Fail Safe Boot ROM Memory Map First Megabyte Memory MapAddress hex Description Address Map O Addresses Reserved for the CMX158886 cpuModuleAddress Range hex Bytes Device Hardware Interrupts Hardware Interrupts Used on the CMX158886 cpuModuleInterrupt Normal Use Port 0 Data I/O Address 450h MultiPort Advanced Digital I/O Ports aDIODigital I/O Register Set Port 1 Data I/O Address 451hDIO-Control I/O Address 453h-Read Access DIO-Control I/O Address 453h-Write AccessMulti-Function at Address 452h1 Wake Control I/O Address 451h =Interrupt is enabledInterrupts ReservedInterrupt and Wake Event Generation WakeEnable Int Mask FunctionWake-on-aDIO No Interrupt or Wake event is generatedAC’97 Audio MultiPort Parallel Port ControlMultiPort Floppy Drive Ethernet 10/100Base-T and -TXIDE Controller Configuration Cable ModesCable Detection Legacy Mode and Native Mode IDE Configuring the ATA/IDE Disk Chip SocketOverview Accessing the RTC RegistersReal Time Clock Control Real Time Clock Registers0Ch Registers Registers Function Hex decimal0Bh 0DhWatchdog Timer Control Watchdog Timer Control I/O Address 455hFan Mode Further Temperature ReductionThermal Management Power Button Modes Power ManagementAdvanced Configuration and Power Interface Acpi Low-Power Wake OptionsAT vs. ATX Power Supplies ATX Power Supply SignalsReducing Power Consumption Multi-Color LED I/O Address 456h Multi-Color LEDLED Colors Manual LED ColorsReset Status Register Reset Status I/O Address 457h Read AccessReset Status I/O Address 457h Write Access Reset Status Description and Priorities Address Reset DescriptionDvmt Mode Select User Eeprom I/O Address 456h Bit Signal Function Read / WriteUser Eeprom Eeprom Register DescriptionFeatures and Settings That Can Affect Boot Time System Recovery Loading Default Bios SettingsBooting to the Fail Safe Boot ROM Fsbr How long does it take to respond to an interrupt? What happens when an interrupt occurs?Basic Interrupt Information for Programmers Interrupt Request LinesPCI Interrupts Writing an Interrupt Service Routine ISRIntel 8259 Programmable Interrupt Controller Sample CodeAppendix a Hardware Reference Jumper Settings and Locations JP9 JP2JP12 Jumper Pins Function DefaultJP11 JP13Onboard PCI Devices Onboard PCI DevicesDevice ID Vendor ID Description Physical Dimensions CMX158886 Physical Dimensions ±0.005 inches90 CMX158886 cpuModule Appendix B Troubleshooting Common Problems and Solutions TroubleshootingProblem Cause Solution Troubleshooting a PC/104-PlusSystem Troubleshooting cont’dHow to Obtain Technical Support Appendix C Idan Dimensions and Pinout Idan Dimensions and Connectors IDAN-CMX158886 Connectors1Idan Pin # Signal Function PS/2 Mouse 6-Pin mini-DIN Connector femaleKeyboard 6-Pin mini-DIN Connector female External I/O ConnectionsCOM1/COM2 RS-232 9-Pin D Connector male COM1/COM2 RS-422/485 9-Pin D Connector maleIdan Pin # Signal Function Mode MultiPort 25-Pin D Connector female Idan Pin # ADIO Port Parallel Port Floppy Port CPU Pin #Panel 20-Pin mini D Connector female Idan Pin # Signal Name CPU Pin #Ground + 5 Volts Svga 15-Pin High Density D Connector femaleIdan Pin # Signal Function CPU Pin # Ground Reserved DDC Data Monitor dataIdan Pin # 10Base-T Signal CPU Pin # USB 9-Pin D Connector maleEthernet 9-Pin D Connector female Receive + Reserved Transmit + GroundAudio 9-Pin D Connector female Idan Pin # Signal CPU Pin #Idan Dimensions and Connectors BRG version only IDAN-CMX158886-BRG Connectors1ADIO 37-Pin D Connector female External I/O Connections BRG version onlyBRG Pin # Function Idan Pin # 106 CMX158886 cpuModule Drivers and Example Programs PC/104 and PC/104-PlusSpecificationsApplication Notes Interrupt Programming108 CMX158886 cpuModule Appendix E Limited Warranty 110 CMX158886 cpuModule

BDM-610000049 specifications

The IBM BDM-610000049 is a powerful and versatile device designed for advanced data processing and analytics. This model is engineered to handle large volumes of data while ensuring high-speed performance and reliability. One of the main features of the BDM-610000049 is its robust processing capabilities, enabled by a state-of-the-art multi-core CPU architecture. This allows it to perform complex calculations and data manipulations efficiently, making it ideal for big data applications.

In terms of storage, the BDM-610000049 comes equipped with high-capacity SSD drives, which not only accelerate data access speeds but also enhance the overall system responsiveness. This feature is particularly beneficial for organizations that require rapid retrieval of stored information. The device also supports a variety of storage configurations, allowing users to tailor the system according to their specific needs, balancing between performance and capacity.

Networking technologies integrated into the BDM-610000049 are designed to facilitate seamless connectivity, ensuring quick and secure data transfers. Its advanced networking capabilities include support for multiple protocols, which streamline communication between different parts of the system and external devices. This is crucial for environments that rely on real-time data processing, such as financial services, healthcare, and logistics.

The IBM BDM-610000049 is also notable for its security features, which help protect sensitive data from unauthorized access and cyber threats. It incorporates state-of-the-art encryption protocols and secure access controls, providing an additional layer of safety for businesses handling critical information.

Moreover, the scalability of the BDM-610000049 is a key characteristic that sets it apart from competitors. Organizations can easily upgrade or expand their systems to accommodate growing data requirements without significant downtime or disruption. This flexibility is indispensable for businesses in today’s fast-paced digital landscape.

In summary, the IBM BDM-610000049 is a cutting-edge device that combines powerful processing, advanced storage technologies, robust networking capabilities, and enhanced security features. Its scalability ensures that it can grow with the demands of modern enterprises, making it a worthwhile investment for companies looking to harness the full power of their data. With the BDM-610000049, businesses can confidently pursue data-driven strategies, knowing they have a reliable and sophisticated technology solution at their disposal.