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Aaeon Raptor MicroATX Installation Manual

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Raptor MicroATX
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Installation Guide

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Summary of Contents for Aaeon Raptor MicroATX

  • Page 1 Raptor MicroATX Motherboard Installation Guide...

  • Page 3: Table Of Contents

    On-Board Chipset I2C Connection to EDID EEPROM ... 8 Step 2 SDRAM, CPU, and Cables Installation Raptor MicroATX Memory Configuration ....... 9 CPU Installation ..............9 Installing Cables ............. 11 Power and Control Panel Cables........11 Installing Peripheral Cables........... 11 Index of Connectors ............
  • Page 4 Raptor MicroATX – Installation Guide Reset CMOS to Last Known Values......26 Reset CMOS to Factory Defaults........26 Write to CMOS and Exit..........26 Exit without Changing CMOS ........26 Chapter 3 Upgrading ....27 Upgrading the System Memory ........27 Upgrading the Microprocessor........
  • Page 5 Introduction On-board Ethernet ............55 Serial Ports ..............55 Appendix D On-Board Video Controller ....63...

  • Page 6: Notice

    Raptor MicroATX – Installation Guide Notice The company reserves the right to revise this publication or to change its contents without notice. Information contained herein is for reference only and does not constitute a commitment on the part of the manufacturer or any subsequent vendor.

  • Page 7: Introduction

    Introduction Introduction Thank you for your purchase of the Raptor MicroATX industrial embedded motherboard. The Raptor MicroATX design was based on the Intel 815E chipset providing the ideal platform to industrial applications. The Raptor MicroATX design is based on the Intel Celeron (FC-PGA) and Pentium III (FC-PGA and FC-PGA2) processors.
  • Page 8 Appendix D - On-Board Video Controller (LCD Optional) On-board CRT video controller/LCD (optional). Static Electricity Warning! The Raptor MicroATX has been designed as rugged as possible but can still be damaged if jarred sharply or struck. Handle the motherboard with care.
  • Page 9 God, or other causes beyond the manufacturer's control. Raptor MicroATX - An Overview The Raptor MicroATX represents the ultimate in industrial embedded motherboard technology. No other system board available today provides such impressive list of features: CPU Support •...
  • Page 10 Raptor MicroATX – Installation Guide • One Centronics™ compatible bi-directional parallel port. EPP/ECP mode compatible. • One PS/2 mouse and one PS/2 keyboard connectors. • Auxiliary Keyboard/Mouse header for front panel access. • Two Universal Serial Bus connectors. • Four 32-bit PCI slots.

  • Page 11: Chapter 1 Pre-Configuration

    CPU (if necessary), DRAM installation and jumper settings. Handling Precautions The Raptor MicroATX has been designed to be as rugged as possible but it can be damaged if dropped, jarred sharply or struck. Damage may also occur by using excessive force in performing certain installation procedures such as forcing the system board into the chassis or placing too much torque on a mounting screw.
  • Page 12 Raptor MicroATX – Installation Guide REMOVED FROM ITS PROTECTIVE ANTISTATIC PACKAGING, TAKE PROPER PRECAUTIONS! Work on a conductive surface that is connected to the ground. Before touching any electronic device, ground yourself by touching an unpainted metal object or, and highly...

  • Page 13: Step 1

    Chapter 1: Pre-Configuration Step 1 Setting the Jumpers Your Raptor MicroATX is equipped with a large number of peripherals. As such, there are a large number of configuration jumpers on the board. Taken step by step, setting these jumpers is easy. We suggest you review each section and follow the instructions.

  • Page 14: Jumper Locations

    Raptor MicroATX – Installation Guide Jumper Locations Use the diagram below and the tables on the following pages to locate and set the on-board configuration jumpers. Figure 1-1 Jumper Locations...

  • Page 15: Cmos Reset

    Normal Clear CMOS 1-2* * Manufacturer's Settings. MicroATX Power Supply Enhancements The Raptor MicroATX has a Power on mode selection. The jumper JP1 selects the power on mode. Table 1-2 POWER ON Mode Select Power on upon Power on Power on...

  • Page 16: Ser C Rs-422/485 Receiver Mode (Optional Feature)

    Raptor MicroATX – Installation Guide SER C RS-422/485 Receiver Mode (Optional Feature) The Receiver of SER C has two operating modes when used as RS- 422/485. The jumper JP8 either selects receiver always on (1-2) for RS- 422 operation or receiver controlled by the RTS signal (2-3). For Half Duplex operation (RS-485) the option controlled by RTS signal must be selected.

  • Page 17: Ser C And Ser D Rs-422/485 Termination Resistor Option (Optional Feature)

    Chapter 1: Pre-Configuration SER C and SER D RS-422/485 Termination Resistor Option (Optional Feature) The switch SW1 allows the insertion of the termination resistors in the Receiver and Transmitter lines of the Serial C and Serial D when operating in RS-422/485 mode. Table 1-6 SER C RS-422/485 Tx Termination Resistor Selection SER C RS-422/485 Tx Termination Resistor...

  • Page 18: Ata-Disk Connector Voltage Selection

    Raptor MicroATX – Installation Guide ATA-Disk Connector Voltage Selection The ATA-Disk Connector J41 can provide either 5Vcc or 3.3Vcc. The jumper JP15 selects the voltage. Table 1-10 ATA-Disk Connector Voltage Select ATA-Disk 5Vcc 3.3Vcc Voltage JP15 1-2* *Manufacturer's Settings. LCD Panel Voltage Selection The LCD panel connector J40 can provide either 5Vcc or 3.3Vcc to the...

  • Page 19: Step 2 Sdram, Cpu, And Cables Installation

    Chapter 1: Pre-Configuration Step 2 SDRAM, CPU, and Cables Installation Depending upon how your Raptor MicroATX is configured you may need to install the following: • SDRAM (DIMMs) • Raptor MicroATX Memory Configuration The Raptor MICROATX offers 2 DIMM memory sockets (Locations J27 and J26 –...
  • Page 20 Raptor MicroATX – Installation Guide Locate the CPU socket on your Raptor MicroATX system board (PGA Socket – Location U1 – Figure 1-3). To install the processor, lift the lever of the ZIF socket and gently insert the CPU. The CPU will fit only in the right alignment.

  • Page 21: Installing Cables

    Installing Cables Power and Control Panel Cables The Raptor MicroATX gets power from the power connector J1 (Figure 1-3). Installing Peripheral Cables Now it is a good time to install the internal peripherals such as floppy and hard disk drives.
  • Page 22 Then connect remaining ends of the ribbon cable to the appropriate peripherals. This concludes the hardware installation of your Raptor MicroATX system. Now it is a good time to re-check all of the cable connections to make sure they are correct.
  • Page 23 Chapter 1: Pre-Configuration Figure 1-3 Location of Components and Connectors...

  • Page 24: Index Of Connectors

    Raptor MicroATX – Installation Guide Index of Connectors Please refer to Appendix A for pin-out descriptions. Table 1-11 Connectors descriptions Connector Description ATX Power Sys. Fan CPU Fan Power LED/Keylock HDD LED RESET Soft Power Switch Speaker SMBUS Header Keyboard/Mouse Header (Bottom)Keyboard –...
  • Page 25 Chapter 1: Pre-Configuration DVO Connector LCD Connector (Optional) Alt. Secondary IDE User's Notes:...

  • Page 26: Chapter 2 Embedded Bios 2000 Setup

    Embedded BIOS 2000 Setup Your Raptor MicroATX features General Software Embedded BIOS 2000. The system configuration parameters are set via the BIOS setup. Since the BIOS Setup resides in the ROM BIOS, it is available each time the computer is turned on.

  • Page 27: Basic Cmos Configuration Setup Screen

    Chapter 2:BIOS Configuration BIOS Setup Main Menu The MicroATX is configured from within the Setup Screen System, a series of menus that can be invoked from POST by pressing the <DEL> key. Once in the Setup Screen System, the user can navigate with the UP and DOWN arrow keys from the main.
  • Page 28 Raptor MicroATX – Installation Guide Figure 2-1: The Embedded BIOS Basic Setup Screen is used to configure drives, boot actions, and POST. Configuring Drive Assignments Embedded BIOS allows the user to map a different file system to each drive letter. The BIOS allows file systems for each floppy (Floppy0 and Floppy1), and each IDE drive (Ide0, Ide1, Ide2, and Ide3).
  • Page 29 Chapter 2:BIOS Configuration Date/Time Select the Date/Time option to change the date or time. The current date and time are displayed. Enter new values through the displayed window. NumLock Set this option to Disabled to turn the Num Lock key off when the computer is booted so you can use the arrow keys on both the numeric keypad and the keyboard.
  • Page 30 Raptor MicroATX – Installation Guide Memory Test This option configures the test that will be performed on the Low memory (below 1 MB) and the High Memory (above 1MB). The settings are Full (exhaustive testing), Standard, and Fast. The default is StdLo and FullHi.
  • Page 31 Chapter 2:BIOS Configuration Configuring IDE Drive Types The following table shows the drive assignments for Ide0-Ide3: File System Controller Master/Slave Ide0 Primary (1f0h) Master Ide1 Primary (1f0h) Slave Ide2 Secondary (170h) Master Ide3 Secondary (170h) Slave To use the primary master IDE drive in your system (the typical case), just configure Ide0 in this section, and map Ide0 to drive C: in the Configuring Drive Assignments section.

  • Page 32: Features Configuration Setup Screen

    Raptor MicroATX – Installation Guide Drive A: - D: Boot operating system from specified drive. The standard boot record will be invoked, causing DOS, Windows95, Windows 98, Windows ME, Windows 2000, Windows NT, Windows XP, Linux, or other industry-standard operating systems to load.

  • Page 33: Custom Configuration Setup Screen

    Chapter 2:BIOS Configuration System Management BIOS The settings are Enabled (default) and Disabled. This option assembles the SMBIOS (formerly DMI) information. Custom Configuration Setup Screen The hardware-specific features are configured with the Custom Setup Screen. L2 Cache This option enables or disables the L2 Cache. (Redir Debugger) This option is not available.
  • Page 34 Raptor MicroATX – Installation Guide SER A This option enables (default) or disables the Serial Port A. SER A Address This option specifies the base I/O port address of the Serial port A on the motherboard. The settings are 3F8h (default), 2F8h, 3E8h, 2E8h, 338h, 220h, 228h, and 238.

  • Page 35: Shadow Configuration Setup Screen

    Chapter 2:BIOS Configuration SER C IRQ This option specifies the IRQ of the Serial port C on the motherboard. The settings are 4, 3, 5 (default), 7, 12, 14, and 15. SER D This option enables (default) or disables the Serial Port D. SER D Address This option specifies the base I/O port address of the Serial port D on the motherboard.

  • Page 36: Reset Cmos To Last Known Values

    Raptor MicroATX – Installation Guide Figure 2-2: The Embedded BIOS Shadow Setup Screen is used to configure ROM shadowing. Reset CMOS to Last Known Values Loads the CMOS to the last known values. Reset CMOS to Factory Defaults The Fail-Safe CMOS factory Setup option settings can be loaded by selecting the Reset CMOS to Factory Defaults.

  • Page 37: Chapter 3 Upgrading

    Chapter 3 Upgrading Upgrading the System Memory The Raptor MicroATX allows an upgrade of the system memory with up to 512MB unbuffered SDRAM DIMM modules in two memory slots. ECC and non-ECC modules are supported (Although ECC modules may be used, the 815E chipset does not have support for ECC).
  • Page 38 Raptor MicroATX – Installation Guide User's Notes:...

  • Page 39: Appendix A Technical Specifications

    Appendix A: Technical Specifications Appendix A Technical Specifications Chipsets Core Logic Intel 815E (North Bridge)/C-ICH (South Bridge) Chipset. Peripheral I/O Standard Microsystems (SMSC) LPC47S422. Micro Processor Support Intel Celeron (FC-PGA 66MHz PSB, FC-PGA 100MHz PSB and FC-PGA2 (0.13u) 100MHz PSB) and Pentium III (FC-PGA 100MHz PSB, FC-PGA 133 PSB and FC-PGA2 (0.13u) 133MHz PSB) PGA370 processors.

  • Page 40: Bios

    Raptor MicroATX – Installation Guide Bios System BIOS General Software Embedded BIOS 2000 with Flash BIOS option. Flash BIOS Optional feature for System BIOS. Flash programming built into the BIOS. BIOS to be flashed is read from a floppy when system booted from MS-DOS.

  • Page 41: Industrial Devices

    Appendix A: Technical Specifications Mouse Port One PS/2 mouse and one PS/2 keyboard connectors. Auxiliary Keyboard/Mouse header for front panel access. USB Interfaces Two Universal Serial Bus connectors. On-board Ethernet Two RJ45 Ethernet connectors. Industrial Devices Temperature and Voltage Device Automatic CPU voltage &...

  • Page 42: Miscellaneous

    Raptor MicroATX – Installation Guide Miscellaneous CMOS/Battery RTC with lithium battery. No external battery is required. Control Panel Connections Reset, Keylock, Speaker, Soft Power. LEDs for power and IDE. CPU Socket Standard ZIF (Zero Insertion Force), PGA 370. Form Factor MicroATX form factor (8”...

  • Page 43: Memory Map

    Appendix A: Technical Specifications Memory Map Address Address Range Range Size Description Decimal Hexadecimal 0F0000- 960K-1M 64 KB Upper BIOS 0FFFFF 0E0000- 896K-960K 64 KB Lower BIOS 0EFFFF Expansion 0C0000- 768K-896K 128 KB Card BIOS 0DFFFF and Buffer Standard 0A0000- PCI/ISA 640K-768K 128 KB...

  • Page 44: I/O Map

    Raptor MicroATX – Installation Guide I/O Map Address (hex) Description 0000-000F DMA 1 0020-0021 Interrupt Controller 1 0040 Timer/Counter 0 0041 Timer/Counter 1 0042 Timer/Counter 2 0043 Timer Control Word 0060 Keyboard Controller Byte _ Reset IRQ 0061 NMI Status and Control...

  • Page 45: Pci Configuration Space Map

    Appendix A: Technical Specifications Address (hex) Description 03E8-03EF COM3 (default) 03F0-03F5 Floppy Channel 1 03F6 Primary IDE channel command port 03F7 Floppy Channel 1 command 03F7, bit 7 Floppy disk change channel 1 03F7, bits 6:0 Primary IDE channel status report 03F8-03FF COM1 (default) 0CF8-0CFB - 4...

  • Page 46: Pci Interrupt Routing Map

    Raptor MicroATX – Installation Guide Reserved (keyboard) Reserved (cascade) COM2* COM1* COM3* Floppy Drive LPT1* / COM4* Real time clock User Available for PCI User Available for PCI User Available for PCI PS/2 mouse port Reserved (math coprocessor) Primary IDE...

  • Page 47: Smbus

    Appendix A: Technical Specifications SMBUS Device Slave Address MAX1617 0011000b LM81 0101101b DIMM0 1010000b DIMM1 1010001b Clock Chip Write 1010010b Clock Chip Read 1010011b Connectors Pin-out How to identify pin number 1: Looking to the solder side (The board side without components) of the PCB (Printed Circuit Board), pin number 1 will have a squared pad .
  • Page 48 Raptor MicroATX – Installation Guide Table A-9 Serial Port SER A DB9 Connector Pin# Serial Port DB9M – J33 Table A-10 Serial Port SER B Header Connector Pin# Serial Port Header J34 Table A-11 J5 Power LED/Keylock Header Connector Pin-out Pin# PWR LED/KBD Lock Header –...
  • Page 49 Appendix A: Technical Specifications Table A-12 Serial Port SER C Header Connector Pin# Serial Port Header J37 DCD - RS-422/485RXA(opt.) RX - RS-422/485TXB(opt.) TX - RS-422/485TXA(opt.) RI – RS-422/485RXB(opt.) Table A-13 Serial Port SER D Header Connector Pin# Serial Port Header J38 DCD - RS-422/485RXA(opt.) RX - RS-422/485TXB(opt.) TX - RS-422/485TXA(opt.)
  • Page 50 Raptor MicroATX – Installation Guide Table A-14 J29 Ethernet 1 (Device 2459h) RJ45 Pin# Ethernet RJ45 – J29 Shorted to 5 Shorted to 4 Shorted to 8 Shorted to 7 Table A-15 J17 USB/Ethernet 2 (optional) (Device 245D) Connector Pin# USB Connector –...
  • Page 51 Appendix A: Technical Specifications Table A-16 J32 Parallel DB25 Connector Pin# Parallel DB25F – J32 -STROBE +DATA BIT 0 +DATA BIT 1 +DATA BIT 2 +DATA BIT 3 +DATA BIT 4 +DATA BIT 5 +DATA BIT 6 +DATA BIT 7 ACK1 BUSY PAPER EMPTY...
  • Page 52 Raptor MicroATX – Installation Guide Table A-18 Infra Red, HDD LED, CPU Fan, SYS Fan, GPIO, SMBus, and Speaker. Connector Description Infra Red (optional) 1)Rx 2)Tx 3)GND 4)NC 5)Key 6)Vcc HDD LED 1)Anode 2)Cathode CPU FAN 1)Sense 2)+12V 3)GND SYS FAN...
  • Page 53 Appendix A: Technical Specifications Table A-20 J40 LCD Connector (Optional) Pin# Description Pin# Description +5VSAFE +12VSAFE DCLK LIGHT ON HSYNC VSYNC...
  • Page 54 Raptor MicroATX – Installation Guide User's Notes:...

  • Page 55: Appendix B Flash Bios Programming And Codes

    Flash BIOS programming and codes The Raptor MicroATX offers the optional FLASH BIOS. When installed, you will be able to update your BIOS without having to replace the EPROM. The General Software embedded BIOS 2000 will read the new BIOS file from a floppy disk when running MS-DOS, replace the old BIOS and ask you to reboot your computer.

  • Page 56: Troubleshooting Post

    Raptor MicroATX – Installation Guide Troubleshooting POST Embedded BIOS writes progress codes, also known as POST codes, to I/O port 80h during POST, in order to provide information to OEM developers about system faults. These POST codes may be monitored by a port 80h card in a PCI slot;...
  • Page 57 Appendix B: Flash BIOS Mnemonic Code Code System Progress Report POST_STATUS_BOARD Initialize board, start memory detection. POST_STATUS_ Start timer tests. TESTTIMER POST_STATUS_ Test 8254 T2, for speaker, TESTTIMER2 port B. POST_STATUS_ Test 8254 T1, for refresh. TESTTIMER1 POST_STATUS_ Test 8254 T0, for 18.2Hz. TESTTIMER0 POST_STATUS_ Start memory refresh.
  • Page 58 Raptor MicroATX – Installation Guide Mnemonic Code Code System Progress Report POST_STATUS_ Passing control to video VIDEOROM ROM. POST_STATUS_ Control returned from video POSTVIDEO ROM. POST_STATUS_ Check for EGA/VGA CHECKEGAVGA adapter. POST_STATUS_ No EGA/VGA found, test TESTVIDEOMEMORY video memory. POST_STATUS_RETRACE Scan for video retrace signal.
  • Page 59 Appendix B: Flash BIOS Mnemonic Code Code System Progress Report POST_STATUS_ Write conventional memory LOWPATTERNS test patterns. POST_STATUS_ Find low memory size from FINDLOWMEM patterns. POST_STATUS_ Find high memory size from FINDHIMEM patterns. POST_STATUS_ Verify ROM BIOS data area CHECKSEG40B again.
  • Page 60 Raptor MicroATX – Installation Guide Mnemonic Code Code System Progress Report POST_STATUS_ Test DMA1 base register. TESTDMA1BASE POST_STATUS_ Checking ROM BIOS data CHECKSEG40E area again. POST_STATUS_ Checking ROM BIOS data CHECKSEG40F area again. POST_STATUS_PROGDMA Program DMA controllers. POST_STATUS_ Initialize PICs.
  • Page 61 Appendix B: Flash BIOS Mnemonic Code Code System Progress Report POST_STATUS_ Checking ROM BIOS data CHECKSEG40G area. POST_STATUS_ Checking ROM BIOS data CHECKSEG40H area. POST_STATUS_ Set base & extended SETMEMSIZE memory sizes. POST_STATUS_ Adjust low memory size for SIZEADJUST EBDA. POST_STATUS_INITC8000 Initialize before calling C800h ROM.

  • Page 62: Critical Error Beep Codes

    Raptor MicroATX – Installation Guide Mnemonic Code Code System Progress Report POST_STATUS_CALLE000 0a8h Call ROM BIOS extension at E000h. POST_STATUS_POSTE000 0a9h ROM extension returned. POST_STATUS_ 0b0h Display system DISPCONFIG configuration box. POST_STATUS_ Call INT 19h bootstrap INT19BOOT loader. POST_STATUS_ 0b1h...
  • Page 63 Appendix B: Flash BIOS Beep Description of Mnemonic Code Count Problem POST_BEEP_GATEA20 Gate A20 test failed. POST_BEEP_DMA DMA page/base register test failed. POST_BEEP_VIDEO Video controller test failed. POST_BEEP_KEYBOARD Keyboard test failed. POST_BEEP_SHUTDOWN CMOS shutdown register test failed. POST_BEEP_CACHE External cache test failed.
  • Page 64 Raptor MicroATX – Installation Guide User's Notes:...

  • Page 65: Appendix C Communication Devices

    Connector (USB/RJ45 combo) pin-out of Ethernet 2 (Device 245Dh) (optional) can be seen on Table A-15. Serial Ports The Raptor MicroATX has two fixed RS-232 serial ports SER A and SER B, and two configurable RS-232 or RS-422/485 (optional) serial ports SER C and SER D.
  • Page 66 Raptor MicroATX – Installation Guide signal (RS-485). The transmitter is always controlled by the RTS signal. Therefore, when using RS-422 and RS485 the software application must enable the RTS signal. For information about jumper settings and connector pin-outs look up for the following tables: •...
  • Page 67 Appendix C: Communication Devices approximately 20 m maximum, it is still widely used. This is due to its simplicity and low cost. Electrical TIA/EIA-232 has high signal amplitudes of ±(5 V to 15 V) at the driver output. The triggering of the receiver depends on the sign of the input voltage: that is, it senses whether the input is above 3 V or less than –3 V.
  • Page 68 Raptor MicroATX – Installation Guide Advantages of Single-Ended Transmission The advantages of single-ended transmission are simplicity and low cost of implementation. A single-ended system requires only one line per signal. It is therefore ideal for cabling, and connector costs are more important than the data transfer rate, e.g.
  • Page 69 RS-422 is terminated only at the line-end opposite to the driver even if there is only one receiver. Protocol Not applicable/none specified. The Raptor MicroATX requires transmitter enabled by the RTS signal. RS-422 is Differential and may be either Point-to-Point or Multi-...
  • Page 70 Raptor MicroATX – Installation Guide Differential Transmission For balanced or differential transmission, a pair of signal lines is necessary for each channel. On one line, a true signal is transmitted, while on the second one, the inverted signal is transmitted. The receiver detects voltage difference between the inputs and switches the output depending on which input line is more positive.
  • Page 71 RS-485 is terminated at both sides of the common bus, even if only two stations are connected to the backbone. Protocol Not applicable/none specified; exceptions: SCSI systems and the DIN- Bus DIN66348. The Raptor MicroATX requires transmitter enabled by the RTS signal.
  • Page 72 Raptor MicroATX – Installation Guide RS-485 is Differential and Multi-Point Connected Differential Transmission Please, read the Differential Transmission explanation in the previous RS-422 section. Termination Resistors Follow instructions in the previous RS-422 and RS-485 sections. The termination resistors available through SW1 are rated to 120Ω.
  • Page 73 Appendix D: On-Board Video Appendix D On-Board Video Controller The Raptor MicroATX has an On-board video controller/LCD (optional). The On-board video controller is based on the Intel 82815 GMCH. 82815 GMCH Integrated Graphics Support The GMCH includes a highly integrated graphics accelerator. Its...
  • Page 74 Raptor MicroATX – Installation Guide •The GMCH directly drives a standard progressive scan monitor up to a resolution of 1600x1200 pixels. •The GMCH provides a Digital Video Out interface to connect an external device to drive a 1280x1024 resolution non-scalar DDP digital Flat Panel with appropriate EDID 1.2 data or digital CRTs.
  • Page 75 Appendix D: On-Board Video Table D-1 List of Display Modes Supported The GMCH has a dedicated port for Flat Panel support. This port is a 16 bit digital port (4 control bits and 12 data bits) with a 1.8V interface for high speed signaling.
  • Page 76 Table D-2 List of Flat Panel Modes Supported On-Board DVO to LCD TTL signals Converter (Optional) The Raptor MicroATX has an on-board (optional) DVO to TTL LCD converter that enables the connection of LCD panels without the need for interfaces in the DVO connector. The converter is based on the SmartASIC 1015 chip.
  • Page 77 Appendix D: On-Board Video timing information. The scaling ratio is re-adjusted whenever a different input mode is detected. The ratio is then fed to the buffer memory read control logic to fetch the image data with the right sequence and timing. Some of the image data may be read more than once to achieve the scaling effect.
  • Page 78 Special Notes about the On-board Video Controller LVDS and DVI devices may be connected to the DVO port. The video BIOS in the Raptor MicroATX are ready to deal with some modules. EDID and EDID-less operation are available. The use of the DVO port and the on-board SP 1015 depends on many parameters set in the video BIOS and in on-board EEPROMs.
  • Page 80 MN-RCMAX-01...

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