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Pentium HOT-541 User Manual

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HOT-541
Pentium PCI
MAIN BOARD
User's Manual
User's Manual 1

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Summary of Contents for Pentium HOT-541

  • Page 1 HOT-541 Pentium PCI MAIN BOARD User's Manual User's Manual 1...
  • Page 2 NOTICE Copyright 1995. All Right Reserved Manual Ver 2.0 ( for 541V2.0, 2.1, 2.2) All information, documentation, and specifications contained in this manual are subject to change without prior notification by the manufacturer. The author assumes no responsibility for any errors or omissions which may appear in this docu- ment nor does it make a commitment to update the information contained herein.

  • Page 3: Table Of Contents

    ............11 H A P T E R UMPER SETTING System Clock Selection ................. 11 Pentium CPU Clock Multiplier .............. 12 Onboard Regulator & VRM Selection ........... 13 Onboard Voltage Regulator Output Selection ........14 AT Bus Clock Selection ................. 15 Cache Type Selection ................
  • Page 4 BIOS S ..........49 HAPTER WARD ETUP Entering Setup ..................49 Using Control Keys ................50 The Main Menu ..................51 Standard CMOS Setup ................53 BIOS Features Setup ................57 Chipset Features Setup ................60 Power Management Setup ..............64 PCI Configuration Setup ................

  • Page 5: Preface

    256KB and 512KB. The memory subsystem is designed to sup- port up to 128 MB of EDO RAM or standard Fast Page DRAM in standard 72- pin SIMM socket. A type 5 or type 7 Pentium CPU socket provides access to future processor enhancements.

  • Page 6: Specification

    Introduction Chapter Specification CPU Function CPU clock: 75/90/100/120/133 MHz Fully supports Intel's 3.3V Pentium processors Optional VRM socket for Intel's future P55C processors Chipset Intel T-Chip PCISet 82437FX, 82438FX, and 82371FB Memory Supports two banks of EDO RAM and Fast Page DRAM...
  • Page 7 Expansions 32-bit PCI bus slot x 4 16-bit ISA bus slot x 4 2-channel PCI IDE port - Support up to 4 IDE devices - PIO Mode 4 transfers up to 16 MB/sec - Integrated 8 x 32-bit buffer for PCI IDE burst transfers One floppy port One parallel port - Supports SPP (PS/2 compatible bidirectional Parallel...

  • Page 8: 541 Mainboard Description

    Peripherals control- ler. 2. System Microprocessor 541 mainboard accept member of the 3.3V Pentium family and future P55C high performance 64-bit microprocessors in PGA package. The mainboard is designed to run at a clock speed from 50 to 66MHz on CPU bus clock, and 75 to 133 MHz on CPU core clock.
  • Page 9 7. Voltage Regulator & VRM The on-board volt regulator or VRM (Voltage Regulator Module) provides power for the Pentium process, PCISet and secondary cache. It provides 3.3V range for Pentium P54C family and 3.3V/2.5V for P55C. 8. On-board PCI IDE Controller 541 mainboard provides a on-board 2-channel IDE controller with high speed data transfer rate.

  • Page 10: 541 Mainboard Layout

    541 Mainboard Layout 10 User's Manual...

  • Page 11: Jumper Setting

    JP15 and JP16 are 2-pin jumpers which determine the system clock frequency. Proper jumper settings for generat- ing 50MHz to 66MHz clock fre- quency for Pentium system are shown bellow. 60MHz System Clock 50MHz System Clock 66MHz System Clock...

  • Page 12: Pentium Cpu Clock Multiplier

    Pentium CPU Clock Multiplier 541 mainboard provides JP3 and JP58 to figure up Pentium CPU core clock multiplier. By inserting or removing jumper caps on JP3 and JP58, the user can change the Host Bus Clock/CPU Core Clock ratio from 1 : 1.5 to 1 : 3.

  • Page 13: Onboard Regulator & Vrm Selection

    Onboard regulator & VRM Selection 541 mainboard is designed an onboard voltage regulator to provide 3.3V ranger for pentium(P54C) and a optional VRM (Volt- age Regulator Module) to offer 3.3V/2.5V ranger for future P55C processors. For P55C processors, they need two voltage level, 3.3V for CPU I/O and 2.5V for CPU...

  • Page 14: Onboard Voltage Regulator Output Selection

    Onboard Voltage Regulator Output Selection 541 mainboard is designed to of- fer several CPU voltages level for Pentium(P54C) family require- ments. 3.3V for standard 75/90/ 100/120/133MHz Pentium pro- cessor, 3.45V for VR s-spec Pentium processor ( 3.3V +5% - ), and 3.6V for VRE s-spec Pentium processor ( 3.45V to 3.6V...

  • Page 15: At Bus Clock Selection

    AT Bus Clock Selection 541 mainboard provides a jumper JP18 to set the AT bus (ISA bus) clock that divide from system clock, the available settings are SCLK/6 and SCLK/8. Please refer the follow table to set the AT bus clock. Note : 8MHz AT bus clock is rec- ommended.

  • Page 16: Cache Type Selection

    Cache Type Selection CELP socket for Cache Onboard Standard Cache Onboard Pipelined Burst Module Cache RAM 541 mainboard support several types cache scheme including onboard standard asynchronous cache RAM, standard asynchronous cache mod- ule, onboard pipelined burst cache SRAM, and pipelined burst cache module.
  • Page 17 A 5v 32KB x 8 external Tag SRAM is required. Pipelined Burst cache module If the HOT-541 is ordered with no cache installed, the cache can be added later in a field upgrade by installing a pipelined burst cache module into the socket.

  • Page 18: Standard Type Cache Size Selection

    Standard Type Cache Size Selection 541 mainboard supports standard type extended cache memory sizes of 256KB and 512KB. Cache memory is realized by eight Data SRAM and one Tag SRAM. The 512KB configuration uses eight 64KB x 8 SRAM, each of SRAM fills the entire socket.

  • Page 19: Cache Voltage Selection

    Cache Voltage Selection 541 support support either mixed mode SRAM (3V I/O and 5V volt- age) or 3V SRAM (3V I/O and 3V voltage). The standard 5V SRAM (5V I/O, 5V voltage) is not supported. 541 provide jumpers JP32 to set the voltage required of SRAM in use including onboard standard asynchronous SRAM and onboard...

  • Page 20: I/O Port Setting & Parallel Port Dreq Selection

    I/O Port Setting & Parallel Port DREQ Selection I/O Port Setting 541 mainboard provide JP59 for Enabling or Disabling onboard floppy controller, Parallel port, and Serial ports. When onboard I/O port isn't re- quired, the user may disable them from BIOS setup or from JP59. Parallel Port DREQ Selection 541 mainboard onboard parallel port supports ECP mode (Extended Ca- pabilities Port), and provide two available DMA Request lines DREQ1...

  • Page 21: Flash Eprom Jumper

    Flash EPROM Jumper 541 mainboard supports two types of flash EPROM, 5 volt and 12 volt. By setting up jumper JP9, you can up- date both types of flash EPROM with new system BIOS files as they come available. BIOS UPGRADES Flash memory makes distributing BIOS upgrades easy.

  • Page 22: Clear Cmos

    Clear CMOS 541 mainboard supports jumper JP11 for discharge mainboard's CMOS memory. The CMOS memory retains the system configuration information in the component of R.T.C. You should short this jumper for a moment when you wish to clear CMOS memory, and then make sure open this jumper for normal opera- tion to retain your new CMOS data.

  • Page 23: Connectors

    Connectors Power Connector Name Function Name Function PWRGD Power Good Ground + 5 V + 5 volts Vcc Ground + 12 V + 12 volts - 5 V - 5 volts - 12 V - 12 volts + 5 V + 5 volts Vcc Ground + 5 V...
  • Page 24 /O Connectors The mainboard contains pin header connections for cabling, to the se- rial, parallel, floppy, and IDE interfaces. List figure show the locations of these connectors and the orientation of pin 1 on each. 24 User's Manual...
  • Page 25 Connectors & Display Switche Front Panel The mainboard contains pin header connections for cabling, to the Hard- ware Reset, Turbo LED, PC Speaker, Key Lock/Power LED, and Hard Drive IDE LED. List figure show the locations of these connectors and display switcher.

  • Page 26: Memory Configuration

    Memory Configuration Chapter 541 mainboard support great flexibility of different on-board fast page mode and EDO DRAM up to 128MB. On-board four SIMM sockets are organized into two banks, with two SIMM sockets assigned to one memory bank. 541 mainboard supports 4MB, 8MB, 16MB and 32MB 72-pin SIMM modules.

  • Page 27: Memory Configuration Reference Table

    Memory Configuration Reference Table User's Manual 27...

  • Page 28: Chapter 4 Power Management

    Power Management Chapter 541 mainboard provides four power management modes for reduc- ing power consumption : Full-on, (Doze), Standby, and Suspend. 541 mainboard provide EPMI connector to enhanced power man- agement. Power Management Modes Description Full-on mode. The Full-on mode is the normal operating mode of the PC system.

  • Page 29: Epmi Connector

    EPMI Connector EPMI (External Power Management Interrupt) pin, when shorted once, it fill put the system directly into power management SUSPEND mode. Auto-wake up activities includes, K/B, mouse, ..., is programmable in the BIOS power management. 541 mainboard provide JP19 for EPMI function connector, and JP74 for power saving indicate LED connector.
  • Page 30 AMI BIOS Setup Chapter BIOS Setup configures system information that is stored in CMOS RAM. WINBIOS Setup has an easy-to-use graphical user interface that will be immediately recognizable to anyone who has ever used Microsoft Win- dows. WinBIOS Setup sets a new standard in BIOS user interfaces. Starting WinBIOS Setup As POST executes, the following message appears : Hit <DEL>...

  • Page 31: Bios Setup Feature

    BIOS Setup Feature The WinBIOS Setup main menu, shown below, is organized into four windows. Each window corresponds to a section in this chapter. Each section contains several icons. Clicking on each icon activates a specific function. The WinBIOS Setup icons and functions are described in this chapter.
  • Page 32 Default This section has two icons that permit you to select a group of settings for all WinBIOS Setup options. Each WinBIOS Setup option has two default settings. These set- tings can be applied to all WinBIOS Setup options when you se- lect the Default section on the WinBIOS Setup main menu.

  • Page 33: Etup

    Navigating with the Keyboard in WinBIOS Setup WinBIOS Setup has a built-in keyboard driver that uses simple key- stroke combinations : User's Manual 33...

  • Page 34: Standard Setup

    Standard Setup The WinBIOS Standard Setup option described in this section are se- lected by choosing the appropriate high-level icon from the WinBIOS Setup main menu selection screen. The selection window follows. Date and Time Configuration Select the Standard option. Select the Date and Time icon.
  • Page 35 Master Disk Type, Slave Disk Type Select one of these hard disk drive icons to configure the drive named in the option. A scrollable screen that lists all valid disk drive types is displayed. Select the correct type and press <Enter>. If the hard disk drive is an IDE drive, select IDE Setup from the Utility section of the WinBIOS Setup main menu to allow WinBIOS to automatically detect the IDE drive parameters and re-...

  • Page 36: Advanced Setup

    Advanced Setup The WinBIOS Advanced Setup options described in this section are se- lected by choosing the appropriate high-level icon from the WinBIOS Setup main menu. The selection window is shown below. Note : These items listed below might have a little bit distinct from your BIOS setting for different BIOS versions.
  • Page 37 Above 1 MB Memory Test When this option is enabled, the WinBIOS memory test is performed on all system memory. When this option is disabled, the memory test is done only on the first 1 MB of system memory. The settings are Enabled or Disabled.
  • Page 38 Password Checking This option enables the password check option every time the sys- tem boots or the end user runs Setup. If Always is chosen a user password prompt appears every time the computer is tuned on. If Setup is chosen, the password prompt appears if WinBIOS is ex- ecuted.
  • Page 39 Onboard PCI IDE PIO Mode This feature specifies PCI on-board IDE controller's PIO speed mode. The options are Mode 0, Mode 1, Mode 2, Mode 3, Mode 4, Opti- mal, and Auto. Onboard PCI IDE 32bit Mode IDE 32-bit transfers will enhance data transfer rate on IDE interface, but only 32-bit PCI IDE controller supports it on this mainboard.

  • Page 40: Chipset Setup

    Chipset Setup The WinBIOS Chipset Setup options described in this section are se- lected by choosing the appropriate high-level icon from the WinBIOS Setup main menu. The selection window is shown below. Note : These items listed below might have a little bit distinct from your BIOS setting for different BIOS versions.
  • Page 41 RAM Write Burst Timing This category to set the DRAM Write Burst Timing. The timing used depends on the type of DRAM (standard page mode or EDO burst mode) on a per-bank basis. The options are x4444, x3333, and x2222. DRAM RAS To CAS Delay This category to set the DRAM RAS to CAS Delay to controls the DRAM page miss and row miss leadoff timings.
  • Page 42 PCI Primary IDE INT# Line This category is used to assign a interrupt line to add-on PCI primary IDE controller. PCI Secondary IDE INT# Line This category is used to assign a interrupt line to add-on PCI second- ary IDE controller. IRQxx Available to This category is used to assign the interrupt lines to ISA bus or to PCI/ PnP.

  • Page 43: Power Management Setup

    Power Management Setup The WinBIOS Power Management Setup options described in this sec- tion are selected by choosing the appropriate high-level icon from the WinBIOS Setup main menu. The selection window is shown below. Note : These items listed below might have a little bit distinct from your BIOS setting for different BIOS versions.
  • Page 44 IDE Drive Power Down In This feature specifies the IDE hard disk drive whether power down or not when standby or suspend timer is expired. VESA Video Power Down In This feature specifies the display screen whether power down or not when standby timer is expired.

  • Page 45: Peripheral Setup

    Peripheral Setup The WinBIOS Peripheral Setup options described in this section are selected by choosing the appropriate high-level icon from the WinBIOS Setup main menu. The selection window is shown below. Note : These items listed below might have a little bit distinct from your BIOS setting for different BIOS versions.
  • Page 46 If ISA add-on parallel port absent, or if ISA add-on parallel port use LPT2, then the on-board parallel port will be set to LPT1. If ISA add-on parallel present and occupied LPT1 and LPT2, then the on-board parallel port will be set to Disabled. Choose Manual to set these items manually.

  • Page 47: Winbios Password Support

    WinBIOS Password Support WinBIOS Setup has an optional password feature. The system can be configured so that all users must enter a password every time the sys- tem boots or when WinBIOS Setup is executed. The following screen appears when you select the password icon. You can enter a password by: typing the password on the keyboard, selecting each letter via the mouse, or...
  • Page 48 Select the Password icon from the Security section of WinBIOS main menu. Enter the password and press <Enter>. The screen does not display the characters entered. After the new password is entered, retype the new password as prompted and press <Enter>. If the password confirmation is incorrect, an error message appears.

  • Page 49: Chapter 6 Award Bios Setup

    Award BIOS Setup Chapter HOT-541's BIOS ROM has a built-in Setup program that allows users to modify the basic system configuration. This type of information is stored in battery-backed RAM so that it retains the Setup information when the power is turned off.

  • Page 50: Using Control Keys

    Using Control Keys BIOS Setup has a built-in keyboard driver that uses simple keystroke com- binations : < Esc > < PgUp > < PgDn > < F2 > < F3 > < F5 > < F6 > < F7 > <...

  • Page 51: The Main Menu

    The Main Menu Once you enter HOT-541 Award BIOS CMOS Setup Utility, the Main Menu will appear on the screen. The Main Menu allows you to select from nine setup functions and two exit choices. Use arrow keys to select among the items and press <Enter>...
  • Page 52 PCI Configuration setup This category specifies the value (in units of PCI bus blocks) of the latency timer for this PCI bus master and the IRQ level for PCI device. Power-on with BIOS defaults Load BIOS Defaults BIOS defaults loads the values required by the system for the maximum performance.

  • Page 53: Standard Cmos Setup

    Standard CMOS Setup The items in Standard CMOS Setup Menu are divided into 10 categories. Each category includes none or more than one setup items. Use the arrow keys to highlight the item and then use the <PgUp> or <PgDn> keys to change the value you want in each item.
  • Page 54 Daylight saving The category adds one hour to the clock when daylight-saving time begins. It also subtracts one hour when standard time begins. Drive C type/Drive D type The category identify the types of hard disk drive C or drive D that has been installed in the computer.
  • Page 55 Drive A type/Drive B type The category identify the types of floppy disk drive A or drive B that has been installed in the computer. Video The category selects the type of adapter used for the primary system monitor that must matches your video display card and monitor. Al- though secondary monitors are supported, you do not have to select the type in Setup.
  • Page 56 Memory The category is display-only which is determined by POST (Power On Self Test) of the BIOS. Base Memory The POST of the BIOS will determine the amount of base (or con- ventional) memory installed in the system. The value of the base memory is typically 512K for systems with 512K memory installed on the mainboard, or 640K for systems with 640K or more memory installed on the mainboard.

  • Page 57: Bios Features Setup

    BIOS Features Setup CPU Internal Cache This category enabled CPU internal cache to speed up memory ac- cess. The default value is enabled. External Cache This category enabled onboard external cache to speed up memory access. The default value is enabled. Quick Power On Self Test This category speeds up Power On Self Test (POST) after you power on the computer.
  • Page 58 Boot Up Floppy Seek During POST, BIOS will determine if the floppy disk drive installed is 40 or 80 tracks. 360K type is 40 tracks while 720K, 1.2M and 1.44M are all 80 tracks. Boot Up NumLock Status When this option enabled, BIOS turns on Num Lock when system is powered on so the end user can use the arrow keys on both the nu- meric keypad and the keyboard.
  • Page 59 C8000-CBFFF Shadow/EC000-EFFFF Shadow These categories determine whether optional ROM will be copied to RAM by 16K byte. User's Manual 59...

  • Page 60: Chipset Features Setup

    Chipset Features Setup DRAM RAS# Precharge Time This category set the DRAM RAS Precharge Timing. The options are 4 and 3 CLKs. DRAM R/W Leadoff Timing This category set the RAS DRAM Read/Write Leadoff timings for page/ row miss cycles. The options are 8/6 and 7/5 CLKs. DRAM RAS To CAS Delay This category set the DRAM RAS to CAS Delay to controls the DRAM page miss and row miss leadoff timings.
  • Page 61 System BIOS Cacheable This category allows the user to set whether the system BIOS F000~FFFF areas are cacheable or non-cacheable. Video BIOS Cacheable This category allows the user to set whether the video BIOS C000~C7FF areas are cacheable or non-cacheable. 8 Bit I/O Recovery Time This category is used to add additional recovery delay between CPU or PCI master originated 8-bit I/O cycles to the ISA Bus.
  • Page 62 IDE Secondary Slave PIO In this category, there are five modes defined in manual mode and one automatic mode. There are 0, 1, 2, 3, 4, and AUTO. The default settings for on board Secondary Slave PIO timing is Auto. On-Chip Primary PCI IDE This category is used to defined on chip Primary PCI IDE controller is "Enable"...
  • Page 63 Onboard Serial Port 2 This category is used to define onboard serial port 2 to COM1/3F8H, COM2/2F8H, COM3/3E8H, COM4/2E8H, Disabled. Onboard Parallel Port This category specifies onboard parallel port address to 378H, 278H, 3BCH or Disabled. Onboard Printer Mode This category specifies onboard parallel port mode. The options are EPP(Extended Parallel Port), ECP (Extended Capabilities Port), Extended, and Compatible.

  • Page 64: Power Management Setup

    Power Management Setup Power Management This category determines the options of the power management func- tion. Default value is Disable. The following pages tell you the op- tions of each item & describe the meanings of each options. Disabled Global Power Management will be disabled User Define Users can configure their own power management Min Saving...
  • Page 65 Video Off Method The system BIOS will only blanks off the screen Blank Screen when disabling video. In addition to Blank Screen, BIOS will also turn V/H SYN+Blank off the V-SYNC & H-SYNC signals from VGA cards to monitor. This function is enabled for only the VGA card DPMS supporting DPM.
  • Page 66 IRQ4 (Wake-Up Event) If this category sets to Off, the IRQ4 event's activity will not reactive the system from Power Management. If this category sets to On, the IRQ4 event's activity causes the system reactive from Power Management. IRQ8 (Wake-Up Event) If this category sets to Off, the IRQ8 event's activity will not reactive the system from Power Management.

  • Page 67: Pci Configuration Setup

    PCI Configuration Setup PnP BIOS Auto-Config If enable this category, system BIOS will auto config Add-on devices under operating system that support PnP function. Slot x Using INT# The options in these categories are AUTO, A, B, C and D. AUTO : BIOS will ask the PCI device which INT# does it want to use for interrupt ,check out which IRQ is available from the above and tell the device which IRQ has been assigned to it.
  • Page 68 2nd Available IRQ The system BIOS will assign these available IRQs to the second found PCI device. The available options are 5, 7, 9, 10, 11, 12, 14, 15 and 3rd Available IRQ The system BIOS will assign these available IRQs to the third found PCI device.

  • Page 69: Password Setting

    Password Setting When you select this function, the following message will appear at the center of the screen to assist you in creating a password. ENTER PASSWORD Type the password, up to eight characters, and press <Enter>. The pass- word typed now will clear any previously entered password from CMOS memory.

  • Page 70: Ide Hdd Auto Detection

    IDE HDD Auto Detection The Enhanced IDE features was included in all 541 Award BIOS. Below is a brief description of this feature. 1. Setup Change ( I ) Auto-Detection BIOS setup will display all possible modes that supported by the HDD including NORMAL, LBA &...
  • Page 71 2. HDD Modes The 541 Award BIOS supports 3 HDD modes : NORMAL, LBA & LARGE. ( I ) NORMAL mode Generic access mode in which neither the BIOS nor the IDE con- troller will make any transformations during accessing. The maximum number of cylinders, head &...
  • Page 72 ( III ) LARGE mode Extended HDD access mode supported by Award Software. Some IDE HDDs contain more than 1024 cylinder without LBA support. The 541 Award BIOS provides another alternative to sup- port these kinds of HDD ! Example of LARGE mode CYLS.

  • Page 73: Eference

    AMI BIOS Reference Appendix Error Beeps and Message Error can occur during POST (Power On Self Test), which is performed every time the system is powered on. Fatal errors are communicated through a series of audible beeps. All errors except Beep Code 8 are fatal errors.

  • Page 74: Appendixb Award Bios Reference

    Award BIOS Reference Appendix BIOS Reference - POST Message When the BIOS encounters an error that requires that user to correct some- thing, either a beep code will sound or a message will be displayed in a box in the middle of the screen and the message " PRESS F1 TO CONTINUE, will be shown in the information CTRL-ALT-ESC OR DEL TO ENTER SETUP"...
  • Page 75 "DISPLAY SWITCH IS SET INCORRECTLY" Display switch on the mainboard can be set to either monochrome or color. This indicates the switch is set to a different than indicated in Setup. Deter- mine which setting is correct, and then either turn off the system and change the jumper, or enter Setup and change the VIDEO selection.

  • Page 76: Fcc Warning

    FCC Notice: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

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