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EPOX EP-61BXA-M Manual

A pentium ii or deschutes slot1 processor based agp mainboard (100/66mhz) mainboard (100/66mhz)
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EP-61BXA-M
EP-61BXA-M
EP-61BXA-M
EP-61BXA-M
EP-61BXA-M
A Pentium
A Pentium
A Pentium
A Pentium
A Pentium
Slot1 Processor based AGP
Slot1 Processor based AGP
Slot1 Processor based AGP
Slot1 Processor based AGP
Slot1 Processor based AGP
mainboard (100/66MHz)
mainboard (100/66MHz)
mainboard (100/66MHz)
mainboard (100/66MHz)
mainboard (100/66MHz)
TRADEMARK
All products and company names are trademarks or
registered trademarks of their respective holders.
These specifications are subject to change without
notice.
II or Deschutes
II or Deschutes
II or Deschutes
II or Deschutes
II or Deschutes
® ® ® ® ®
Manual Revision 1.4
June 15, 1998

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  • Page 1 EP-61BXA-M EP-61BXA-M EP-61BXA-M EP-61BXA-M EP-61BXA-M A Pentium A Pentium A Pentium II or Deschutes II or Deschutes II or Deschutes A Pentium A Pentium II or Deschutes II or Deschutes ® ® ® ® ® Slot1 Processor based AGP Slot1 Processor based AGP...
  • Page 2 EP-61BXA-M...
  • Page 3 If your retailer can not help, you may E-Mail us with any questions at the following address tech@epox.com Record your serial number before installing your EP-61BXA-M mainboard. (the serial number is located near the ISA slots at the edge of the board)
  • Page 4 In no event shall EPoX be liable for any loss or profits, loss of business, loss of use or data, interruption of business or for...

  • Page 5: Table Of Contents

    System Block Diagram ........1-8 Section 2 Features EP-61BXA-M Features ......... 2-1 Section 3 Installation EP-61BXA-M Detailed Layout ...... 3-2 Easy Installation Procedure Configure Jumpers .......... 3-3 System Memory Configuration ......3-5 ® Installing a Pentium II Processor ....3-9 Device Connectors .........
  • Page 6 EP-61BXA-M Chipset Features Setup ........4-8 Power Management Setup ......4-12 PNP/PCI Configuration ........4-16 Load Setup Defaults ........4-18 Integrated Peripherals ........4-18 Change Supervisor or User Password ..... 4-23 IDE HDD Auto Detection ....... 4-24 HDD Low Level Format ......... 4-26 Save &...

  • Page 7: Introduction

    INTRODUCTION Components Checklist ü ü ü ü ü EP-61BXA-M mainboard ü ü ü ü ü EP-61BXA-M user’s manual ü ü ü ü ü Floppy ribbon cable ü ü ü ü ü Hard drive ribbon cables ü ü ü ü ü...

  • Page 8: Overview

    Introduction EP-61BXA-M Overview Pentium II or Deschutes Processor ® The Pentium II or Deschutes Processor (The Deschutes Processor as 300/ 100MHz, 350/100MHz, 400/100MHz and 450/100MHz speed with 512K-L2 cache ® ® Versions.) is the follow-on to the Pentium Processor. The Pentium II or ®...

  • Page 9: Cartridge Terminology

    EP-61BXA-M Introduction packaging technology and each of the physical elements of the product are referred to using accurate technical descriptions. This allows clear reference to the products as just a processor. This is the model used in past packaging technologies like PGA, TCP, PQFP, DIP, etc.

  • Page 10: Accelerated Graphics Port

    Introduction EP-61BXA-M ® sor” will apply to both the Pentium II Processor desktop processors. Accelerated Graphics Port (AGP or A.G.P.) Typically, 3D graphics rendering requires a tremendous amount of memory, and demands ever increasing throughput speed as well. As 3D products for the personal computer become more and more popular, these demands will only increase.
  • Page 11 EP-61BXA-M Introduction Page Left Blank Page 1-5...

  • Page 12: Ep-61Bxa-M Form-Factor

    EP-61BXA-M EP-61BXA-M Form-Factor The EPoX EP-61BXA-M is designed with ATX form factor - the latest industry standard of chassis. The ATX form factor is essentially a Baby-AT baseboard rotated 90 degrees within the chassis enclosure and a new mounting configuration for the power supply.

  • Page 13: I/O Shield Connector

    EP-61BXA-M Introduction I/O Shield Connector The EP-61BXA-M is equipped with an I/O back panel. Please use the appropriate I/O shield (figure 3). Parallel Port Figure 3: PS/2 Mouse EP-61BXA-M I/O back PS/2 Keyboard panel layout COM2 COM1 Power-On/Off (Remote) The EP-61BXA-M has a single 20-pin connector for ATX power supplies. For ATX power supplies that support the Remote On/Off feature, this should be connected to the systems front panel for system Power On/Off button.

  • Page 14: System Block Diagram

    Introduction EP-61BXA-M System Block Diagram P entium II or D eschutes P rocessor 100/66MHz 100/66MHz 66MHz PCI Bridge and memory controller 443BX PllX4E I/O Bridge Figure 5: System Block Diagram Page 1-8...

  • Page 15: Features

    Supports (3) 16 bit ISA slots, (4) 32 bit PCI slots, (1) AGP slot and provides (2) independent high performance PCI IDE interfaces capable of supporting PIO Mode 3/4 and Ultra DMA 33 devices. The EP-61BXA-M supports (4) PCI Bus Master slots and a jumperless PCI INT# control scheme which reduces configuration confusion when plugging in PCI card(s).
  • Page 16 Features EP-61BXA-M • EP-61BXA-M utilizes a Lithium battery which provides environmental protec tion and longer battery life. • Supports the Universal Serial Bus (USB) connector. The onboard PIIX4E chip provides the means for connecting PC peripherals such as; keyboards, joysticks, telephones, and modems.
  • Page 17 EP-61BXA-M Installation Page 3-1...

  • Page 18: Ep-61Bxa-M Detailed Layout

    Installation EP-61BXA-M EP-61BXA-M Detailed Layout Figure 1 Page 3-2...

  • Page 19: Configure Jumpers

    3-3. Install Pentium II or Deschutes Processor 3-4. Device Connectors EPoX designs all motherboards with the fewest jumpers to make your install fast and easy. The following will describe all of the jumpers that you are required to set before moving on to step 3-2.
  • Page 20 Installation EP-61BXA-M Note: Based on the implementation of Intel 440BX PCIset, EP-61BXA-M is able to provides two host bus frequencies -- either 66 or 100MHz for Slot1 processor and memory operating. Automatically, the default is at 66MHz once Pentium ®...

  • Page 21: Table

    EP-61BXA-M Installation The EP-61BXA-M supports (3) 168-pin DIMMs (Dual In-line Memory Module). The DIMMs can be either EDO (Extended Data Out) or SDRAM (Synchronized DRAM). The DIMMs may be installed using just one chip. • We recommend using SDRAM DIMM can not mixing with EDO DIMM modules.
  • Page 22 Installation EP-61BXA-M Table 1 * SDRAM only supports 8, 16, 32, 64, 128MB DIMM modules. 256MB only supports Registered Synchronouts DRAM Memory Modules. ® * EDO only supports Pentium II Processor at 66MHz, not supports Deschutes Processor at 100MHz. Figure 3 displays the notch marks and what they should look like on your DIMM memory module.
  • Page 23 EP-61BXA-M Installation Figure 6 DIMM Module clip before installation Figure 7 DIMM Module clip after installation To remove the DIMM module simply press down both of the white clips on either side and the module will be released from the socket.
  • Page 24 Installation EP-61BXA-M The EP-61BXA-M uses the Single Edge Contact (SEC) slot for a Pentium II proces- sor packaged in an SEC cartridge. The SEC slot is not compatible with other non- Pentium II processors. Please have ready the following list of components so that we may install the proces- sor onto the motherboard.
  • Page 25 EP-61BXA-M Installation bottom make sure you press firmly on SEC cartridge to firmly secure into the Slot 1 Socket. Now we need to secure the heatsink with the top half of the support (figure 11). Take the top piece of the support and slide it into the bottom fin (figure 11) on the heatsink and then push forward until it clips into the bottom base (figure 9) that is already there (figure 11).
  • Page 26 Installation EP-61BXA-M Please install the motherboard into the chassis. Now that your motherboard is installed you are ready to connect all your connections (figure 12). 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5...
  • Page 27 4 seconds before the system turns off). When the system is in 4 sec delay mode, EPoX has added a special feature to make the system go into suspend mode when the button is pressed momentarily.

  • Page 28: Keyboard Power On Function (Kbpo)

    On the basis of bounded functions in I/O chipset, the two serial ports are able to support the External Modem Ring-in Power ON function. Once users connect the external modem to COM1 or COM2, the EP-61BXA-M mainboard allows users to turn on their system through the remote and host's dial-up control.
  • Page 29 Notes: 1.Intel ATX version 2.0 specification has recommended you use the power supply with 0.72A(720mA) in 5.0VSB. With our EP-61BXA-M mainboard, the 5.0VSB standby power only has to be > = 0.1A (100mA) then you can enjoy this unique benefit. However, the ATX power supply which is <...
  • Page 30 Installation EP-61BXA-M Page 3-14...

  • Page 31: Award Bios Setup

    EP-61BXA-M BIOS Section 4 AWARD BIOS SETUP BIOS Instructions Award’s ROM BIOS provides a built-in Setup program which allows user to modify the basic system configuration and hardware parameters. The modified data will be stored in a battery-backed CMOS, so that data will be retained even when the power is turned off.

  • Page 32: Standard Cmos Setup

    BIOS EP-61BXA-M The menu displays all the major selection items. Select the item you need to reconfigure. The selection is made by moving the cursor (press any direction key ) to the item and pressing the ‘Enter’ key. An on-line help message is displayed at the bottom of the screen as the cursor is moved to various items which provides a better understanding of each function.

  • Page 33: Bios Features Setup

    Selecting the “BIOS FEATURES SETUP” option in the CMOS SETUP UTILITY menu allows users to change system related parameters in the displayed menu. This menu shows all of the manufacturer’s default values for the EP-61BXA-M. Pressing the [F1] key will display a help message for the selected item.
  • Page 34 BIOS EP-61BXA-M Enabled: Activates automatically when the system boots up causing a warning message to appear when anything attempts to access the boot sector. Disabled: No warning message will appear when anything attempts to access the boot sector. Note: Many disk diagnostic programs that access the boot sector table can trigger the virus warning message.
  • Page 35 EP-61BXA-M BIOS Swap Floppy Drive: This will swap your physical drive letters A & B if you are using two floppy disks. The default is Disabled. Enabled: Floppy A & B will be swapped under the O/S. Disabled: Floppy A & B will be not swapped.
  • Page 36 BIOS EP-61BXA-M Typematic Rate Setting: This determines the keystrokes repeat rate. The default is Disabled. Enabled: Allows typematic rate and typematic delay programming. Disabled: The typematic rate and typematic delay will be controlled by the keyboard controller in your system.
  • Page 37 EP-61BXA-M BIOS Assign IRQ For VGA: This option allows BIOS to assign IRQ for VGA device Enabled: The system was assigned IRQ for VGA Card. Disabled: The system was not assigned IRQ for VGA Card. OS Select For DRAM > 64MB: Some operating systems require special handling.

  • Page 38: Chipset Features Setup

    BIOS EP-61BXA-M 4-3 Chipset Features Setup Choose the “CHIPSET FEATURES SETUP” in the CMOS SETUP UTILITY menu to display following menu. ROM PCI/ISA BIOS(2A59IPAB) CHIPSET FEATURES SETUP AWARD SOFTWARE, INC. Auto Configuration : Enabled Auto Detect DIMM/PCI Clk : Enabled...
  • Page 39 EP-61BXA-M BIOS 50ns: (Faster) Burst Wait State, for 50ns EDO DRAM. 60ns: (Slower) Burst Wait State, for 60ns Fast Page Mode/EDO DRAM. EDO CASx# MA Wait State: This allows the option to insert an additional wait state before the assertion of the first CASx# for page hit cycle.
  • Page 40 BIOS EP-61BXA-M Video RAM Cacheable: This option allows the CPU to cache read/writes of the video RAM. The default is Enabled. Enabled: This option allows for faster video access. Disabled: Reduced video performance. 8 Bit I/O Recovery Time: This function allows you to set the wait state that is added to an 8 bit ISA instruction originated by the PCI bus.
  • Page 41 EP-61BXA-M BIOS Delayed Transaction: This option allows the chipset to use its embedded 32-bit posted write buffer to support delay transactions cycles. The default is Disabled. Enabled: Select enabled to support PCI 2.1 specification. Disabled: Disabled. AGP Aperture Size: The amount of system memory that the AGP card is allowed to share.

  • Page 42: Power Management Setup

    BIOS EP-61BXA-M Current CPU FAN Speed: The current CPU fan speed in RPMs. Current Chassis FAN Speed: The current chassis fan speed in RPMs. CPU(V): The voltage level of the CPU. +1.5V: The voltage level of the CPU’s GTL+ Bus.
  • Page 43 EP-61BXA-M BIOS Power Management: Use this to select your Power Management selection. The default is User define. Disabled: The system operates in NORMAL conditions (Non-GREEN), and the Power Management function is disabled. Max. saving: Maximum power savings. Inactivity period is 1 minute in each mode.
  • Page 44 9: IRQ 9 10: IRQ 10 11: IRQ 11 The EP-61BXA-M supports HDD Power Down, Doze and Standby power saving functions when using the Intel Pentium II Processor. The default is Disabled Doze Mode: The “Doze” mode timer starts to count when no “PM events” have occurred.
  • Page 45 EP-61BXA-M BIOS is only available when Power Loss Recovery is Enabled. The default is Enabled. Enabled: The system can use remote ring-in to wake the system up. Disabled: The system cannot use remote ring in to wake system up. Power Loss Recovery: If the power to the system is cut off the system will turn itself back on with no user intervention.

  • Page 46: Pnp/Pci Configuration

    BIOS EP-61BXA-M Parallel Port: The default is Disable. 4-5 PNP/PCI Configuration The PNP/PCI configuration program is for the user to modify the PCI/ISA IRQ signals when various PCI/ISA cards are inserted in the PCI or ISA slots. ROM PCI/ISA BIOS(2A69KPA9) WARNING: Conflicting IRQ’s may cause the system to not find certain devices.
  • Page 47 EP-61BXA-M BIOS Reset Configuration Data: This setting allows you to clear ESCD data. The default is Disabled Disabled: Normal Setting. Enabled: If you have plugged in some Legacy cards to the system and they were recorded into ESCD (Extended System Configuration Data), you can set this field to Enabled in order to clear ESCD.

  • Page 48: Load Setup Defaults

    BIOS EP-61BXA-M Assign IRQ For USB: This item allows BIOS to assign whether IRQ is with USB or not. If you have not connect the USB device. Can release the IRQ for other device. The default is Enabled. Enalbed: Provides IRQ for USB device.
  • Page 49 EP-61BXA-M BIOS Note: If you do not use the Onboard IDE connector, then you will need to set Onboard Primary PCI IDE: Disabled and Onboard Secondary PCI IDE: Disabled Note: The Onboard PCI IDE cable should be equal to or less than 18 inches (45 cm.).
  • Page 50 BIOS EP-61BXA-M IDE Secondary Master PIO: The default is Auto. Auto: BIOS will automatically detect the Onboard Secondary Master PCI IDE HDD Accessing mode. Mode 0~4: Manually set the IDE Programmed interrupt mode. IDE Secondary Slave PIO: The default is Auto.
  • Page 51 EP-61BXA-M BIOS USB Keyboard Support: This controls the activation status of an optional USB keyboard that may be attached. The default is disabled. Enabled: Enable USB keyboard support. Disabled: Disable USB keyboard support. OnBoard Primary PCI IDE: This option turns on and off the onboard primary IDE.
  • Page 52 BIOS EP-61BXA-M Onboard Serial Port 2: This field allows the user to configure the 2nd serial port. The default is Auto. AUTO: Enable Onboard Serial port 2 and address is Auto adjusted COM1: Enable Onboard Serial port 2 and address is 3F8H/IRQ4.

  • Page 53: Change Supervisor Or User Password

    EP-61BXA-M BIOS Power On Method: There are “Button Only”, “Hot Key” and “Any key” can be chosen by this field that allows users to select one of these various functions as Power On Method for their requirement. The default value in this selection is “ Hot Key”. (Ctrl-F1) Hot Key: User can press “Control Key”...

  • Page 54: Ide Hdd Auto Detection

    BIOS EP-61BXA-M 3. After pressing the [Enter] key (ROM password if the option was not used) or current password (user-defined password), the user can change the password and store new one in CMOS RAM. A maximum of 8 characters can be entered.
  • Page 55 EP-61BXA-M BIOS 1024, 16 & 63 no. Cylinder (1024) x no. Head ( 16) x no. Sector ( 63) x no. per sector ( 512) 528 Megabytes If user set his HDD to NORMAL mode, the maximum accessible HDD size will be...

  • Page 56: Hdd Low Level Format

    BIOS EP-61BXA-M INT 12h in order to access the right HDD address! Maximum HDD size: no. Cylinder (1024) x no. Head ( 32) x no. Sector ( 63) x bytes per sector ( 512) 1 GigaByte Note: To support LBA or LARGE mode of HDDs, there must be some software involved.

  • Page 57: Save & Exit Setup

    EP-61BXA-M BIOS 3-11 Save & Exit Setup The “SAVE & EXIT SETUP” option will bring you back to the boot up procedure with all the changes you just recorded in the CMOS RAM. 3-12 Exit Without Saving The “EXIT WITHOUT SAVING” option will bring you back to normal boot up procedure without saving any data into CMOS RAM.
  • Page 58 BIOS EP-61BXA-M Page Left Blank Page 4-28...

  • Page 59: Dmi Access

    EP-61BXA-M DMI Access Section 5 DMI ACCESS DMI Access DMI, or desktop Management Interface, is a feature that is able to auto-detect and record information about your computer system. This information is used by comput- ing professionals to accurately determine your system configuration and to diagnose and resolve problems.
  • Page 60 DMI Access EP-61BXA-M Page Left Blank Page 5-2...

  • Page 61: Appendix

    EP-61BXA-M Appendix Appendix A: A-1 MEMORY MAP Address Range Size Description [00000-7FFFF] 512K Conventional memory [80000-9FBFF] 127K Extended Conventional memory [9FC00-9FFFF] Extended BIOS data area if PS/2 mouse is installed [A0000-C7FFF] 160K Available for Hi DOS memory [C8000-DFFFF] Available for Hi DOS memory and adapter ROMs...

  • Page 62: Timer & Dma Channels Map

    Appendix EP-61BXA-M [3D0-3DF] CGA adapter. [3F0-3F7] FLOPPY DISK controller. [3F8-3FF] SERIAL port 1. A-3 TIMER & DMA CHANNELS MAP TIMER MAP: TIMER Channel 0 System timer interrupt. TIMER Channel 1 DRAM REFRESH request. TIMER Channel 2 SPEAKER tone generator. DMA CHANNELS: DMA Channel 0 Available.

  • Page 63: Rtc & Cmos Ram Map

    EP-61BXA-M Appendix Onboard HARD DISK (IDE1) channel. Onboard HARD DISK (IDE1) channel. A-5 RTC & CMOS RAM MAP RTC & CMOS: Seconds. Second alarm. Minutes. Minutes alarm. Hours. Hours alarm. Day of week. Day of month. Month. Year. Status register A.
  • Page 64 Appendix EP-61BXA-M Page Left Blank...

  • Page 65: Post Codes

    EP-61BXA-M Appendix Appendix B: B-1 POST CODES ISA POST codes are typically output to I/O port address 80h. POST (hex) DESCRIPTION 01-02 Reserved. Turn off OEM specific cache, shadow. 1. Initialize EISA registers (EISA BIOS only). 2. Initialize all the standard devices with default values Standard devices includes.
  • Page 66 Appendix EP-61BXA-M Initialization of the BIOS Data Area. (40:ON - 40:FF) 1. Program some of the Chipset's value according to Setup. (Early Setup Value Program) 2. Measure CPU speed for display & decide the system clock speed. 3. Video initialization including Monochrome, CGA, EGA/VGA. If no display device found, the speaker will beep.
  • Page 67 EP-61BXA-M Appendix Try to turn on Level 2 cache. Note: Some chipset may need to turn on the L2 cache in this stage. But usually, the cache is turn on later in POST 61h. 3F-40 Reserved. 1. Program the rest of the Chipset's value according to Setup.

  • Page 68: Unexpected Errors

    Appendix EP-61BXA-M 1. Try to turn on Level 2 cache. Note: If L2 cache is already turned on in POST 3D, this part will be skipped. 2. Set the boot up speed according to Setup setting. 3. Last chance for Chipset initialization.

  • Page 69: Load Setup Defaults

    EP-61BXA-M Appendix Appendix C NOTE: The "LOAD SETUP DEFAULTS" function loads the system default data directly from ROM and initializes the associated hardware properly. This function will be necessary when you accept this mainboard, or the system CMOS data is corrupted.

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