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Texas Micro AI5VPB User Manual

Pentium baby at motherboard
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AI5VP/AI5VPB
Pentium Baby AT Motherboard
User's Manual
Version 1.1A

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Summary of Contents for Texas Micro AI5VPB

  • Page 1 AI5VP/AI5VPB Pentium Baby AT Motherboard User’s Manual Version 1.1A...

  • Page 3: Table Of Contents

    4.1 SW2(1-8): CPU Frequency Selector ........13 4.2 JBAT1: CMOS RAM Discharge..........16 4.3 SW1(1-4): CPU Voltage Selector .......... 16 4.4 CN7 (7, 17): ATX Power On Switch (AI5VPB only) .... 17 Chapter 5 Installation ............18 5.1 J4, J5: Serial Ports ..............20 5.2 CN2, CN4: Keyboard and PS/2 Mouse Connector ....
  • Page 4 6.9 Load Setup Defaults ............... 44 6.10 Integrated Peripherals............45 6.11 Supervisor / User Password..........47 6.12 IDE HDD Auto Detection ............ 48 6.13 HDD Low Level Format............48 6.14 Save & Exit Setup ..............49 6.15 Exit Without Saving ............. 49 AI5VP/AI5VPB User’s Manual...

  • Page 5: Chapter 1 Introduction

    Chapter 1 Introduction Chapter 1 Introduction This manual is designed to give you information on the AI5VP/AI5VPB Motherboard. It is divided into the following six sections: • • • • Introduction • • • • Specifications • • • • Hardware Description •...

  • Page 6: Chapter 2 Specifications

    Chapter 2 Specifications Chapter 2 Specifications Based on VIA’s VPX chipset, the AI5VP/AI5VPB is a Baby AT Pentium motherboard that supports all the features to make a high performance desktop system. In addition to standard PIO and DMA mode operation, the AI5VP/AI5VPB features Ultra DMA/33 for improved disk I/O throughput.
  • Page 7 (This feature applies for AI5VPB and requires ATX power supply.) PC’97 Compliance With the VPX-B chipset, the BIOS and hardware levels of AI5VPB meet PC’97 compliance. The new PC’97 requirements for systems and components are based on the following high-level goals: Support...

  • Page 8: Chapter 3 Hardware Description

    Chapter 3 Hardware Description This chapter briefly describes each of the major features of the AI5VP/AI5VPB motherboard. The layout of the board is shown in Figure 1 which shows the locations of the key components. The topics covered in this chapter are as follows: 3.1 Processor and CPU Voltage .............
  • Page 9 Chapter 3 Hardware Description Figure 1: Layout of the AI5VP/AI5VPB Motherboard NOTE: The AI5VPB comes with an AT power connector (CN5) and an ATX power connector (CN6). The AI5VP does not have the ATX power connector (CN6). AI5VP/AI5VPB User’s Manual...

  • Page 10: Processor And Cpu Voltage

    Chapter 3 Hardware Description 3.1 Processor and CPU Voltage The AI5VP/AI5VPB is designed to take a Pentium Processor with a bus speed of 60, 66 and 75MHz. Since the internal clock of the CPU can be multiples of 1.5, 2, 2.5, 3 and 3.5 of the bus clock, the CPU frequency can be 75, 90, 100, 120, 133, 150, 166, 200 and 233MHz.
  • Page 11 48MB 16MB×2 8MB×2 80MB 32MB×2 8MB×2 64MB 16MB×2 16MB×2 96MB 32MB×2 16MB×2 128MB 32MB×2 32MB×2 256MB 64MB×2 64MB×2 (2) 168-pin DIMM (3.3V) (Optional) SDRAM or Fast Page Mode/EDO DRAM Bank0 Total Memory (DIMM1) 16MB 16MB 32MB 32MB AI5VP/AI5VPB User’s Manual...

  • Page 12: Bios

    Chapter 3 Hardware Description 3.4 BIOS The BIOS on the AI5VP/AI5VPB motherboard provides the standard BIOS functions plus the following additional features: 1. DMI (Desktop Management Interface) The motherboard supports DMI to enable computer system management in an enterprise. 2. ISA Plug and Play (PnP) Extension Unlike PCI cards which are plug and play, ISA cards require setting jumpers to resolve hardware conflicts.

  • Page 13: Dma Channels

    Parallel Port #1(LPT1) 360 - 36F Network Ports 3B0 - 3BF Monochrome & Printer adapter 3C0 - 3CF EGA adapter 3D0 - 3DF CGA adapter 3F0h - 3F7h Floppy Disk Controller 3F8h - 3FFh Serial Port #1(COM1) AI5VP/AI5VPB User’s Manual...

  • Page 14: Interrupt Request Lines (Irq)

    Serial Port #1 IRQ5 Parallel Port #2 IRQ6 Floppy Disk Controller IRQ7 Parallel Port #1 IRQ8 Real Time Clock IRQ9 Software Redirected to Int 0Ah IRQ10 Reserved IRQ11 Reserved IRQ12 Reserved IRQ13 80287 IRQ14 Primary IDE IRQ15 Secondary IDE AI5VP/AI5VPB User’s Manual...

  • Page 15: Chapter 4 Hardware Settings

    4.2 JBAT1: CMOS RAM Discharge..........16 4.3 SW1(1-4): CPU Voltage Selector .......... 16 4.4 CN7 (7, 17): ATX Power On Switch (AI5VPB only) .... 17 For the locations of the jumpers, refer to Figure 2 on the following page. The following examples show the conventions used in this chapter...
  • Page 16 Chapter 4 Hardware Settings Figure 2: Jumper Locations of the AI5VP/AI5VPB NOTE: The AI5VPB comes with an AT power connector (CN5) and an ATX power connector (CN6). The AI5VP does not have the ATX power connector (CN6). AI5VP/AI5VPB User’s Manual...

  • Page 17: Sw2(1-8): Cpu Frequency Selector

    2.5x P54C/P55C-166 66MHz P54C/P55C-200 66MHz 3.5x P55C-233 *P55C = Pentium with MMX technology Caution : When installing a CPU into the AI5VP/AI5VPB, ensure that: CPU clock multiplier settings are correct, SW2(1-8). CPU voltage settings are correct, SW1(1-4). AI5VP/AI5VPB User’s Manual...
  • Page 18 P200+ (150MHz) For Cyrix 6x86MX CPU Bus Clock Multiplier CPU Freq. SW2(1-8) PR200 75MHz (150MHz) PR166 60MHz 2.5x (150MHz) PR200 66MHz 2.5x (166MHz) PR233 75MHz 2.5x (233MHz) PR233 66MHz (200MHz) PR266 75MHz (225MHz) PR266 66MHz 3.5x (233MHz) AI5VP/AI5VPB User’s Manual...
  • Page 19 1.75x PR166 / 66MHz 2.5x K6-166 K6-200 66MHz WinChip 2 3D/ C6-200 66MHz 3.5x K6-233 WinChip 2 3D/ 75MHz C6-225 66MHz K6-200 WinChip 2 3D/ 60MHz C6-240 K6-266 K6-2/266 66MHz WinChip 2 3D/ C6-266 66MHz 4.5x K6-300 AI5VP/AI5VPB User’s Manual...

  • Page 20: Jbat1: Cmos Ram Discharge

    CORE 3.3V 3.5V WinChip 2 3D (0.35µ)* 3.3V 3.2V K6-233* 3.3V 3.1V 3.3V 3.0V K6-166/200 3.3V 2.9V 6x86MX P55C, 6x86L 3.3V 2.8V WinChip 2 3D (0.25µ)* 3.3V 2.7V * 0.35µ and 0.25µ refers to the manufacturing process. AI5VP/AI5VPB User’s Manual...

  • Page 21: Cn7 (7, 17): Atx Power On Switch (Ai5Vpb Only)

    2.0V *Check the correct voltage as printed on the top side of the CPU. 4.4 CN7 (7, 17): ATX Power On Switch (AI5VPB only) This connector provides two power modes: sleep and soft-off mode. Pushing the power button for less than 4 seconds places the system into sleep mode.

  • Page 22: Chapter 5 Installation

    Chapter 5 Installation Chapter 5 Installation This chapter describes the connectors and interfaces that the AI5VP/AI5VPB provides for creating a working system. Refer to Figure 3 for the location of the connectors. The following items are covered in this chapter: 5.1 J4, J5: Serial Ports..............
  • Page 23 Chapter 5 Installation Figure 3: Connector Locations of the AI5VP/AI5VPB NOTE: The AI5VPB comes with an AT power connector (CN5) and an ATX power connector (CN6). The AI5VP does not have the ATX power connector (CN6). AI5VP/AI5VPB User’s Manual...

  • Page 24: J4, J5: Serial Ports

    Chapter 5 Installation 5.1 J4, J5: Serial Ports The onboard serial ports of the AI5VP/AI5VPB are 10 pin-header connectors. J4 is COM1 and J5 is COM2. The following table shows the pin out of the these connectors. Pin # Signal Name...

  • Page 25: J2: Parallel Port Connector

    ADJACENT to each other. That is, the black wires of each connector should be aligned in the center of the CN5 connector. CN5 Pin # Description Wire Color Θ Power Good Orange +12V Yellow -12V Blue Ground Black Ground Black Θ Ground Black Ground Black White AI5VP/AI5VPB User’s Manual...

  • Page 26: Cn6: Atx Power Supply Connector

    Drive select 1 Ground Drive select 0 Ground Motor enable 1 Ground Direction Ground Step Ground Write data Ground Write gate Ground Track 00 Ground Write protect Ground Read data Ground Side 1 select Ground Diskette change AI5VP/AI5VPB User’s Manual...

  • Page 27: Ide1, Ide2: Eide Connectors

    Host data 0 Host data 15 Ground DRQ0 Ground Host IOW Ground Host IOR Ground IOCHRDY Host ALE DACK0 Ground IRQ14 No connect Address 1 No connect Address 0 Address 2 Chip select 0 Chip select 1 Activity Ground AI5VP/AI5VPB User’s Manual...

  • Page 28: Cn7: Front Bezel Connector

    CN7 is a 20-pin header that provides interfaces for the following functions. Speaker: Pins 1 - 4 This connector provides an interface to a speaker for audio tone generation. An 8-ohm speaker is recommended. CN7 Pin # Signal Name Speaker out No connect Ground AI5VP/AI5VPB User’s Manual...

  • Page 29: Power-Saving Switch Connector: Pin 6 And 16

    To wake up the system, press any key on the keyboard or move the mouse. (This connector applies for AI5VP only. For AI5VPB, see section 4.4 on page 17.) CN7 Pin # Signal Name...

  • Page 30: J6: Irda Connector

    No connect Ir RX Ground N.C. GND Ir TX 5.10 J1: USB Connectors J1 is the USB connector. The following table shows the pin outs of the connector. Pin # Pin # Signal Name USB- USB+ Ground AI5VP/AI5VPB User’s Manual...

  • Page 31: Chapter 6 Bios Configuration

    OS Select for DRAM > 64MB Video BIOS Shadow C8000 - CBFFF Shadow/DC000 - DFFFF Shadow 6.5 Chipset Features Setup ............38 DRAM Auto Configuration DRAM Timing Control SDRAM Cycle Length SDRAM Bank Interleave Sustained 3T Write 2 Bank PBSRAM AI5VP/AI5VPB User’s Manual...
  • Page 32 PM Events 6.7 PNP/PCI Configuration............42 PNP OS Installed Resources Controlled by Reset Configuration Data ACPI I/O Device Node (AI5VPB only) IRQ3/4/5/7/9/10/11/12/14/15, DMA0/1/3/5/6/7 assigned to CPU to PCI Write Buffer PCI Dynamic Bursting PCI Master 0 WS Write PCI Peer Concurrency...
  • Page 33 Chapter 6 BIOS Configuration 6.11 Supervisor / User Password..........47 6.12 IDE HDD Auto Detection ............ 48 6.13 HDD Low Level Format............48 6.14 Save & Exit Setup ..............49 6.15 Exit Without Saving ............. 49 AI5VP/AI5VPB User’s Manual...

  • Page 34: Bios Introduction

    <PgUp> and <PgDn> keys to change entries, <F1> for help and <Esc> to quit. When you enter the Setup utility, the Main Menu screen will appear on the screen. The Main Menu allows you to select from various setup functions and exit choices. AI5VP/AI5VPB User’s Manual...
  • Page 35 CMOS settings that resets your system to its default. We strongly recommend that you avoid making any changes to the chipset defaults. These defaults have been carefully chosen by both Award and your system manufacturer to provide the absolute maximum performance and reliability. AI5VP/AI5VPB User’s Manual...

  • Page 36: Standard Cmos Setup

    Sun to Sat Month : 1 to 12 Date : 1 to 31 Year : 1900 to 2099 To set the date, highlight the “Date” field and use the PageUp/ PageDown or +/- keys to set the current time. AI5VP/AI5VPB User’s Manual...
  • Page 37 LANDZ : SECTOR : Number of sectors SIZE : Automatically adjust according to the configuration MODE (for IDE HDD only) : Auto Normal (HD < 528MB) Large (for MS-DOS only) (HD > 528MB and supports Logical Block Addressing) AI5VP/AI5VPB User’s Manual...
  • Page 38 The system boot will not be halted for a disk error; it will stop for all other errors. All, But Disk/Key The system boot will not be halted for a key- board or disk error; it will stop for all others. AI5VP/AI5VPB User’s Manual...

  • Page 39: Bios Features Setup

    If you will run such a program, disable the Virus Warning feature. CPU Internal Cache / External Cache These items allow you to enable (speed up memory access) or disable the cache function. By default, these items are Enabled. AI5VP/AI5VPB User’s Manual...
  • Page 40 Typematic Rate Setting When disabled, continually holding down a key on your keyboard will generate only one instance. When enabled, you can set the two typematic controls listed next. By default, this field is set to Disabled. AI5VP/AI5VPB User’s Manual...
  • Page 41 RAM. Video Shadow will increase the video speed. C8000 - CBFFF Shadow/DC000 - DFFFF Shadow Shadowing a ROM reduces the memory available between 640KB to 1024KB. These fields determine whether optional ROM will be copied to RAM or not. AI5VP/AI5VPB User’s Manual...

  • Page 42: Chipset Features Setup

    SDRAM Bank Interleave This field allows support for SDRAM bank interleave. By default, this field is set Disabled. Sustained 3T Write This field allows support for PBSRAM sustained 3T write. By default, this field is set Enabled. AI5VP/AI5VPB User’s Manual...
  • Page 43 Expansion cards can only access memory up to 16MB. By default, this field is set to Disabled. On Chip USB This field allows you either to enable or disable USB function. By default, this field is set to Disabled. AI5VP/AI5VPB User’s Manual...

  • Page 44: Power Management Setup

    This field allows you to use the Advanced Power Management device to enhance the Max. Power Saving mode and stop the CPU’s internal clock. If the Max. Power Saving is not enabled, this will be preset to NO. AI5VP/AI5VPB User’s Manual...
  • Page 45 This option only writes blanks to the video buffer. Soft-Off by PWRBTN (AI5VPB only) When this field set to Instant Off, the system powers off immediately after pressing the power button. When it is set to Delay 4 Sec, the system enters the sleep mode when the power button is pressed for more than 4 seconds places.

  • Page 46: Pnp/Pci Configuration

    This field allows you to determine whether to reset the configuration data or not. The default value is Disabled. ACPI I/O Device Node (AI5VPB only) ACPI utilizes the hardware I/O port and can be enabled if your OS supports ACPI. An example is Windows 98. The default value is Disabled.
  • Page 47 The default setup is ISA. If you have equipped with PCI controller, you need to specify which slot has the controller and PCI interrupt is associated with the connected hard drives. Selecting CI AUTO” allows the system to automatically determine your IDE disk system configuration. AI5VP/AI5VPB User’s Manual...

  • Page 48: Load Bios Defaults

    ESC : Quit : Select Item F10 : Save & Exit Setup (Shift) F2 : Change Color Load BIOS Defaults except Standard CMOS Setup To load SETUP defaults value to CMOS SRAM, enter “Y”. If not, enter “N”. AI5VP/AI5VPB User’s Manual...

  • Page 49: Integrated Peripherals

    This field allows your hard disk controller to use prefetch mode to transfer data to increase the performance. IDE HDD Block Mode This field allows your hard disk controller to use the fast block mode to transfer data to and from your hard disk drive. AI5VP/AI5VPB User’s Manual...
  • Page 50 This field determines the UART 2 mode in your computer. The options are Standard, HPSIR, and ASKIR. Onboard Parallel Mode This field allows you to determine parallel port mode function. Normal Printer Port Enhanced Parallel Port Extended Capabilities Port AI5VP/AI5VPB User’s Manual...

  • Page 51: Supervisor / User Password

    Enter Password: LOAD BIOS DEFAULTS SAVE & EXIT SETUP LOAD SETUP DEFAULTS EXIT WITHOUT SAVING ESC : Quit : Select Item F10 : Save & Exit Setup (Shift) F2 : Change Color Change / Set / Disable Password AI5VP/AI5VPB User’s Manual...

  • Page 52: Ide Hdd Auto Detection

    This option should only be used by a professional. Low-level formatting can cause irreparable damage to your hard disk. The procedures include selecting the drive you want to low-level format, determining the bad tracks, and proceeding with pre-formatting. AI5VP/AI5VPB User’s Manual...

  • Page 53: Save & Exit Setup

    Quit Without Saving (Y/N)? N LOAD BIOS DEFAULTS SAVE & EXIT SETUP LOAD SETUP DEFAULTS EXIT WITHOUT SAVING ESC : Quit : Select Item F10 : Save & Exit Setup (Shift) F2 : Change Color Abandon all Data & Exit Setup AI5VP/AI5VPB User’s Manual...

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