Asus P I-P55T2P4S User Manual
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Asus P I-P55T2P4S User Manual

Asus P I-P55T2P4S User Manual

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P/I-P55T2P4
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Pentium
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USER'S MANUAL

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Summary of Contents for Asus P I-P55T2P4S

  • Page 1 P/I-P55T2P4 Pentium Motherboard ® USER’S MANUAL...
  • Page 2 In no event shall ASUS be liable for any loss or profits, loss of business, loss of use or data, interruption of business, or for indirect, special, incidental, or...
  • Page 3 P/I-P55T2P4 User's Manual...

  • Page 4: Table Of Contents

    Expansion Card Installation Procedure: ....... 16 Assigning IRQs for Expansion Cards ........16 Assigning DMA Channels for ISA Cards ......17 ASUS MediaBus Card ............18 5. External Connectors ..............19 Final Power Connection Procedures ........25 P/I-P55T2P4 User's Manual...
  • Page 5 CONTENTS IV. BIOS SOFTWARE ............. 26 6. BIOS Setup ................. 26 Standard CMOS Setup ............... 27 Details of Standard CMOS Setup: ........28 BIOS Features Setup ..............31 Details of BIOS Features Setup: ........... 31 Chipset Features Setup ............... 34 Power Management Setup ............

  • Page 6: Federal Communications Commission Statement

    FCC & DOC COMPLIANCE Federal Communications Commission Statement This device complies with FCC Rules Part 15. Operation is subject to the following two conditions: • This device may not cause harmful interference, and • This device must accept any interference received, including inter- ference that may cause undesired operation.

  • Page 7: Introduction

    • Desktop Management Interface (DMI) software • Readme files gives instructions on use of the files This user's manual Optional PS/2 mouse cable with mounting bracket Optional infrared module Optional ASUS pipelined burst cache module Optional PCI-SC200 SCSI card P/I-P55T2P4 User's Manual...

  • Page 8: Features

    ISA and PCI Expansion Slots: Provides three 16-bit ISA slots, three 32-bit PCI slots, and one PCI/MediaBus 2.0 which allows the use of either an standard PCI card or the ASUS MediaBus Card. • ASUS MediaBus Rev 2.0: Features an expansion slot extension shared with PCI Slot 4 for an optional multifunctional expansion card which facilitates building of multimedia systems.

  • Page 9: Parts Of The Motherboard

    Optional IrDA and PS/2: This motherboard supports an optional in- frared port module for wireless interface and a PS/2 mouse cable set. • NCR SCSI BIOS: This motherboard has firmware that supports the optional ASUS PCI-SC200 SCSI controller cards. Parts of the Motherboard 3 ISA Slots Flash ROM...

  • Page 10: Installation

    III. INSTALLATION Map of the Motherboard Keyboard PS/2 Mouse JP18 COM 1 COM 2 FOR SMC 37C669 Parallel Printer UMC OR SMC MULTI I/O JP19 ZIF Socket 7 JP13 Fan Power CON1 JP20 IDE LED 256KB On-Board L2 Cache JP17 P/I-P55T2P4 User's Manual...

  • Page 11: Jumpers

    III. INSTALLATION Jumpers 1) JP1 (SMC 37C669) p. 8 Multi-I/O Selection (Enable/Disable) 2) JP8 p. 8 Flash ROM Boot Block Program (Enable/Disable) 3) JP2 p. 9 Total Level 2 Cache Size Setting 4) JP17 p. 9 Voltage Regulator Output Selection 5) JP11, JP12 p.

  • Page 12: Installation Steps

    III. INSTALLATION Installation Steps Before using your computer, you must follow the six steps as follows: 1. Set Jumpers on the Motherboard 2. Install DRAM Modules 3. Install the CPU 4. Install Expansion Cards 5. Connect Cables, Wires, and Power Supply 6.
  • Page 13 III. INSTALLATION WARNING: Some pins are used for connectors or power sources. These are clearly separated from jumpers in "Map of the Motherboard" on page 4. Placing jumper caps over these will cause damage to your motherboard. WARNING: Computer motheboards and components contain very delicate Integrated Circuit (IC) chips.

  • Page 14: Jumper Settings

    III. INSTALLATION Jumper Settings 1. On-Board Multi-I/O Selection (JP1) (For SMC SMC37C669 Only) For SMC Multi-I/O SMC37C669, you can selectively disable each on- board Multi-I/O item (floppy, serial, parallel, and IrDA) through BIOS (see page 35) or disable all Multi-I/O items at once with the following jumper in order to use your own Multi-I/O card.
  • Page 15 This jumper sets the total amount of L2 cache that is present. If you have two cache chips on-board (see "Map of Motherboard" for loca- tions), then you have either 256KB or 512KB. An "ASUS" or "COAST" cache module can be used to upgrade the 256KB version to 512KB. If there is no on-board cache, you must install a cache module of either 256KB or 512KB.
  • Page 16 III. INSTALLATION 5. CPU External (BUS) Frequency Selection (JP11, JP12) These jumpers tells the clock generator what frequency to send to the CPU. These allow the selection of the CPU’s External frequency (or BUS Clock). The BUS Clock times the BUS Ratio equals the CPU's Internal frequency (the advertised CPU speed).
  • Page 17 III. INSTALLATION 7. PS/2 Mouse on IRQ12 Setting (JP18) JP7 enables or disables the on-board PS/2 mouse lead connector. When Enabled, the port becomes active and uses IRQ12. See Page 19 for the "PS/2 Mouse connector." Selections JP18 Disable [2-3] (Default) Enable [1-2] JP18...

  • Page 18: System Memory (Dram & Sram)

    III. INSTALLATION 2. System Memory (DRAM & SRAM) This motherboard supports four 72-pin SIMMs of 4MB, 8MB, 16MB, 32MB, or 64MB to form a memory size between 8MB to 256MB. The DRAM can be either 60ns or 70ns Fast Page Mode (Asymmetric or Symmetric) or EDO. To support ECC, you must use true (opposed to phantom parity generated by TTL chips) 36-bit parity-type DRAM (e.g.

  • Page 19: Dram Memory Installation Procedures

    III. INSTALLATION IMPORTANT: Do not use memory modules with more than 24 chips per mod- ule. Modules with more than 24 chips exceed the design specifications of the memory subsystem and will cause unreliable operation. IMPORTANT: Do not use SIMM Modules that use an extra TTL chip to con- vert the memory module from asymmetric to symmetric.

  • Page 20: Level 2 External Static Ram (Sram) Cache

    If you have two cache chips on-board (see "Map of Mother- board" for locations), then you have either 256KB or 512KB pipelined bust SRAM cache. An "ASUS" or "COAST" cache module can be used to up- grade the 256KB version to 512KB. The 512KB version cannot be up- graded any further.

  • Page 21: Central Processing Unit (Cpu)

    III. INSTALLATION 3. Central Processing Unit (CPU) The motherboard provides a 321-pin ZIF Socket 7 that is backwards com- patible with ZIF Socket 5 processors. The CPU that came with the mother- board should have a fan attached to it to prevent overheating. If this is not the case then purchase a fan before you turn on your system.

  • Page 22: Expansion Cards

    III. INSTALLATION 4. Expansion Cards First read your expansion card documentation on any hardware and soft- ware settings that may be required to setup your specific card. NOTE: PCI Slot 4 has a MediaBus extension 2.0 (see page 18) which allows the installation of a PCI card or a MediaBus card (optional multi- functional card) but not both.

  • Page 23: Assigning Dma Channels For Isa Cards

    III. INSTALLATION To simplify this process this motherboard has complied with the Plug and Play (PNP) specification which was developed to allow automatic system configuration whenever a PNP-compliant card is added to the system. For PNP cards, IRQs are assigned automatically from those available. If the system has both Legacy and PNP ISA cards installed, IRQs are as- signed to PNP cards from those not used by Legacy cards.

  • Page 24: Asus Mediabus Card

    III. INSTALLATION ASUS MediaBus Card MediaBus allows a cost-efficient solution to a complete multimedia sys- tem. The advantages of using one add-on card is to reduce the slot require- ments and compatibility problems in order to maximize the Plug and Play advantages.

  • Page 25: External Connectors

    III. INSTALLATION 5. External Connectors NOTE: IDE ribbon cable must be less than 18in. (46cm), with the second drive connector no more than 6in. (15cm) from the first connector. IMPORTANT: Ribbon cables should always be connected with the red stripe on the Pin 1 side of the connector. The four corners of the connectors are labeled on the motherboard.
  • Page 26 III. INSTALLATION 3. Parallel Printer Connector (26 Pin Block) Connection for the included parallel port ribbon cable with mounting bracket. Connect the ribbon cable to this connection and mount the bracket to the case on an open slot. It will then be available for a parallel printer cable.
  • Page 27 III. INSTALLATION 5. Floppy drive connector (34-pin block ) This connector supports the provided floppy drive ribbon cable. After connecting the single end to the board, connect the two plugs on the other end to the floppy drives. Pin 1 Floppy Drive Connector 6.
  • Page 28 III. INSTALLATION 7. Primary IDE connector (40-pin Block) This connector supports the provided IDE hard disk ribbon cable. Af- ter connecting the single end to the board, connect the two plugs at the other end to your hard disk(s). If you install two hard disks, you must configure the second drive to Slave mode by setting its jumpers ac- cordingly.
  • Page 29 III. INSTALLATION 9. Turbo LED switch (CON1) The motherboard's turbo function is always on. The turbo LED con- nection is labeled here but the LED will remain constantly lit while the system power is on. You may wish to connect the Power LED from the system case to this lead.
  • Page 30 III. INSTALLATION 14. IDE activity LED (JP20) This connector connects to the hard disk activity indicator light on the case. JP21 IDE (Hard Drive) LED 15. CPU cooling fan connector (JP13) This connector supports a CPU cooling fan of 500mAMP (6WATT) or less.

  • Page 31: Final Power Connection Procedures

    III. INSTALLATION 16. IrDA-compliant infrared module connector (IR) This connector supports the optional wireless transmitting and receiv- ing infrared module. This module mounts to a small opening on sys- tem cases that support this feature. You must also configure the setting through BIOS setup on page 37 to select whether UART2 is directed for use with COM2 or IrDA.

  • Page 32: Bios Software

    IV. BIOS SOFTWARE 6. BIOS Setup The motherboard supports two programmable Flash ROM chips: 5 Volt and 12 Volt. Either of these memory chips can be updated when BIOS upgrades are released. Use the Flash Memory Writer utility to download the new BIOS file into the ROM chip as described in detail on page 47.

  • Page 33: Standard Cmos Setup

    IV. BIOS SOFTWARE NOTE: The “Load BIOS Defaults” option loads the minimized settings for troubleshooting. “Load Setup Defaults”, on the other hand, is for loading optimized defaults for regular use. Choosing defaults at this level, will modify all applicable settings. A section at the bottom of the above screen displays the control keys for this screen.

  • Page 34: Details Of Standard Cmos Setup

    IV. BIOS SOFTWARE Details of Standard CMOS Setup: Date To set the date, highlight the “Date” field and then press the page up/page down or +/- keys to set the current date. Follow the month, day and year format. Valid values for month, day and year are: Month: 1 to 12 Day:...
  • Page 35 IV. BIOS SOFTWARE To enter specifications for a hard disk drive, you must select first a “type”. You can select “User” and specify the specifications yourself manually, or you can select from the provided predefined drive specifications. To select, simply press the <Page Up> or <Page Down> key to change the option listed after the drive letter.
  • Page 36 IV. BIOS SOFTWARE Drive A, Drive B These fields record the types of floppy disk drives installed in your system. The available options for drives A and B are: 360KB, 5.25 in. 1.2MB, 5.25 in. 720KB, 3.5 in. 1.44MB, 3.5 in. 2.88MB, 3.5 in.

  • Page 37: Bios Features Setup

    IV. BIOS SOFTWARE BIOS Features Setup This “BIOS Features Setup” option consists of configuration entries that allow you to improve your system performance, or let you set up some system features according to your preference. Some entries here are re- quired by the motherboard’s design to remain in their default settings.
  • Page 38 IV. BIOS SOFTWARE CPU Internal Cache / External Cache These fields allow you to Enable or Disable the CPU’s “Level 1” built-in cache and the “Level 2” secondary cache. By default, these fields are en- abled. With Setup Defaults, the L2 cache is Disabled. Quick Power On Self Test This field speeds up the Power-On Self Test (POST) routine by skipping retesting a second, third, and forth time.
  • Page 39 IV. BIOS SOFTWARE Typematic Rate (Char/Sec) This field controls the speed at which the system registers repeated key- strokes. Options range from 6 to 30 characters per second. Setup default setting is 6. Typematic Delay (Msec) This field sets the time interval for displaying the first and second charac- ters.

  • Page 40: Chipset Features Setup

    IV. BIOS SOFTWARE Chipset Features Setup This “Chipset Features Setup” option controls the configuration of the board’s chipset. Control keys for this screen are the same as for the previous screen. Auto Configuration The default setting of 60ns DRAM sets the optimal timings for items 2 through 10 for 60ns DRAM modules.
  • Page 41 IV. BIOS SOFTWARE DRAM and ECC If all your DRAM modules have parity chips (e.g. 8 chips + 4 parity chips), they are considered 36bits. This motherboard sums the memory per bank and therefore two modules will give 72bits and the following will be dis- played: DRAM are 72 bits wide Memory parity SERR# (NMI):...
  • Page 42 IV. BIOS SOFTWARE Onboard Parallel Port This field sets the address of the on-board parallel port connector. You can select either: 3BCH / IRQ 7, 378H / IRQ 7 (default), 278H / IRQ 5, Dis- abled. If you install an I/O card with a parallel port, ensure that there is no conflict in the address assignments.

  • Page 43: Power Management Setup

    IV. BIOS SOFTWARE Power Management Setup This “Power Management Setup” option allows you to reduce power con- sumption. This feature turns off the video display and shuts down the hard disk after a period of inactivity. Details of Power Management Setup: Power Management This field acts as the master control for the power management modes.
  • Page 44 IV. BIOS SOFTWARE Video Off Method This field defines the video off features. Three options are available: “V/H SYNC + Blank”, “DPMS” and “Blank Only”. The first option, which is the default setting, blanks the screen and turns off vertical and horizontal scan- ning;...

  • Page 45: Pnp And Pci Setup

    IV. BIOS SOFTWARE PM Events This section sets the wake-up call of the system. If activity is detected from any enabled IRQ channels in the left-hand group, the system wakes up from suspended mode. You can enable power management for IRQs 3 ~ 15 indi- vidually in the list at the right of the screen.
  • Page 46 IV. BIOS SOFTWARE The next field is the “PCI Latency Timer”. Do not change the default set- ting of “32 PCI Clock” since this enables maximum PCI performance for this motherboard. The following describes the other user-configurable fields on this screen: IRQ xx Used By ISA These fields indicate whether or not the displayed IRQ for each field is being used by a Legacy (non-PnP) ISA card.

  • Page 47: Load Bios Defaults

    IV. BIOS SOFTWARE Load BIOS Defaults This “Load BIOS Defaults” option allows you to load the troubleshooting default values permanently stored in the BIOS ROM. These default set- tings are non-optimal and disable all high performance features. To load these default settings, highlight “Load BIOS Defaults” on the main screen and then press the <Enter>...

  • Page 48: Supervisor Password And User Password

    IV. BIOS SOFTWARE Supervisor Password and User Password These two options set the system passwords. “Supervisor Password” sets a password that will be used to protect the system and the Setup utility; “User Password” sets a password that will be used exclusively on the system. By default, the system comes without any passwords.

  • Page 49: Ide Hdd Auto Detection

    IV. BIOS SOFTWARE IDE HDD Auto Detection This “IDE HDD Auto Detection” option detects the parameters of an IDE hard disk drive, and automatically enters them into the Standard CMOS Setup screen. ROM PCI/ISA BIOS(PI55T2P4) CMOS SETUP UTILITY AWARD SOFTWARE,INC. HARD DISKS TYPE SIZE...

  • Page 50: Save And Exit Setup

    IV. BIOS SOFTWARE If you are auto-detecting a hard disk that supports the LBA mode, three lines will appear in the parameter box. Choose the line that lists LBA for an LBA drive. Do not select Large or Normal. The auto-detection feature can only detect one set of parameters for a par- ticular IDE hard drive.

  • Page 51: Flash Memory Writer Utility

    IV. BIOS SOFTWARE Flash Memory Writer Utility The motherboard package includes a Flash Memory Writer utility in the provided DOS floppy disk for use in erasing and reprogramming the on- board Flash EPROM BIOS ROM chip. This utility can be found under the \FLASH directory of the DOS floppy disk.
  • Page 52 IV. BIOS SOFTWARE Before reprogramming the system BIOS, you must first do the follow- ing: 1. Programming the ROM chip installed in the system requires that you first enable programming as described on page 9 "Boot Block Pro- gramming". 2. Make sure the system is running in real mode. This utility will not operate if the system is under protected or virtual mode.

  • Page 53: The Flash Memory Writer Utility Screen

    IV. BIOS SOFTWARE The Flash Memory Writer Utility Screen: ASUSTeK PNP BIOS FLASH MEMORY WRITER V1.2 Copyright (C) 1995, ASUSTek COMPUTER Inc. Flash Type -- SST 29EE010 Current BIOS Revision: #401A0-0101 Choose one of the following: 1. Save Current BIOS To File 2.

  • Page 54: Details Of Advanced Features

    IV. BIOS SOFTWARE 3. Advanced Features Selecting this option brings up the Advanced Features screen for clearing the PnP configuration record and updating the system BIOS. To terminate the program and return to the DOS prompt, press the <Esc> key. Selecting the third option displays the Advanced Features screen. Advanced Features Flash Type -- SST 29EE010 Current BIOS Revision: #401A0-0101...
  • Page 55 IV. BIOS SOFTWARE 1. For security reasons, back up your existing system BIOS using the “Save Current BIOS to File” option. If anything goes wrong with the updating process, you can still recover the original BIOS. To back up, select the first command option from the Flash Memory Writer screen. Specify a file name such as T25I0102.AWD when prompted and then press the <Enter>...
  • Page 56 P/I-P55T2P4 User's Manual...

  • Page 57: Pci-Sc200 Scsi Card

    V. PCI-SC200 SCSI Card NCR SCSI BIOS and Drivers Aside from the system BIOS, the Flash memory chip on the motherboard also contains the NCR SCSI BIOS. This SCSI BIOS works in conjunction with the optional PCI-SC200 SCSI controller card to provide a complete PCI Fast SCSI-2 interface.

  • Page 58: The Pci-Sc200 Scsi Interface Card

    V. PCI-SC200 SCSI Card The PCI-SC200 SCSI Interface Card Your motherboard may have come with an optional SCSI (Small Computer System Interface) controller card, the PCI-SC200. The card is also avail- able separately. This card works with the SCSI BIOS on the motherboard. Together, they provide a complete PCI Fast SCSI-2 interface.

  • Page 59: Setting The Int Assignment

    V. PCI-SC200 SCSI Card Setting the INT Assignment You must use PCI INT A setting in order to properly assign the card's inter- rupt. On the PCI-SC200, you assign the INT by setting jumper JP1 or JP2. The default setting for the card already is INT A, so you do not need to change the setting to use the PCI-SC200 with this motherboard.

  • Page 60: Scsi Id Numbers

    V. PCI-SC200 SCSI Card Decide whether or not you need to terminate the PCI-SC200 based on its position in the SCSI chain. Only the devices at each end of the chain need to be terminated. If you have only internal or only external devices connected to the PCI-SC200, then you must terminate the PCI-SC200.

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