Package Contents Mainboard Features Component Information P6LX2-A Package & Product Information This manual contains all the information you’ll need to use the P6L2X-A mainboard. Please take a moment to familiarize your- self with the design and organization of the manual.
Page 6
P6LX2-A User’s Manual 1: Package & Product Information – 1.2 The manual uses some icons to call your attention to impor- tant information. The icons appear in the sidebar and represent the following: • Important information • A recommendation or good idea •...
P6LX2-A User’s Manual 1: Package & Product Information – 1.3 Package Contents The P6LX2-A mainboard package contains the following items. Please inspect the package contents and confirm that everything is there. If anything is missing or damaged, call your vendor for instructions before proceeding.
P6LX2-A User’s Manual 1: Package & Product Information – 1.4 Mainboard Features This mainboard is a highly integrated ATX design that incor- porates many features on the board. The mainboard includes the following features: • Two Slot 1 CPU slots support Pentium II CPUs up to 333MHz –...
Page 9
P6LX2-A User’s Manual 1: Package & Product Information – 1.5 COM1 COM2 Mouse Parallel Keybd IR header CHASFAN CPU #1 Slot CPUFan1 ATX Power ISA 2, 1 AGP Slot PCI 5,4,3,2,1 CPU #2 Slot RAID Port CPUFan2 DIMM4 DIMM3 SCSIN, SCSIW...
P6LX2-A User’s Manual 1: Package & Product Information – 1.6 Component Information This section is a brief description of the components on the mainboard that you might need to know about if you want to upgrade or change your system configuration. If your mainboard is already installed in a system, it isn’t necessary for you to re-...
P6LX2-A User’s Manual 1: Package & Product Information – 1.7 The RAIDport™ Slot Extension The slot extension to PCI4 is for the Adaptec RAIDport™ tech- nology that allows you to add an Adaptec ARO-1130 or compat- ible RAID (Redundant Array of Independent Disks) controller card.
P6LX2-A User’s Manual 1: Package & Product Information – 1.8 CPU Sockets & CPUs The Slot 1 CPU slots support the full range of Pentium II CPUs from Intel. The mainboard comes with two retention modules which mount on the mainboard to provide guide rails and latch receptacles for the latches on the Pentium II.
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.1 In This Section: System Controls Hardware Features The Retention Module Firmware & Software Using Your Mainboard This section covers the system control features and status in- dicators that connect to the mainboard, some of the hardware features and provides an overview of the software that comes with or is built-into the mainboard.
Page 14
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.2 Hardware Control & Indicator Connectors Feature Power Status LED: When lighted indicates that system is turned on Suspend Switch: Puts the system into Suspend state under Operating Systems that support this power management feature.
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.3 CMOS Setup Utility Controls Two sections of the CMOS Setup Utility allow you to config- ure how some of your system’s features work. These are: • BIOS Features Setup • Power Management Setup The CMOS Setup Utility is a program that is permanently stored in the BIOS chip on the mainboard.
Page 16
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.4 CMOS Setup Utility – Virus Warning – When enabled, monitors the BIOS Features Setup primary hard disk boot sec- This section of the setup utility tor and warns of any attempt allows you to configure some to write to it.
Page 17
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.5 CMOS Setup Utility – You can use the Min Saving Power Management Setup or Max Saving default modes This section of the setup utility or you can configure the allows you to configure the...
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.6 Hardware Features This section is a brief overview of information about the mainboard’s hardware features. Onboard Ports There are several external ports on the mainboard. These are ports standard to most personal computers: •...
Page 19
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.7 CMOS Setup Utility – Integrated Peripherals This section enables and con- This section of the setup utility figures the optional USB and configures the IDE and Floppy Infrared features. controllers and the settings for...
Page 20
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.8 Cooling Fan Connectors The is a cooling fan power connector on the mainboard that supports a CPU cooling fan with power management features. If you connect this type of fan, and the ‘CPU FAN Off In Suspend’...
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.9 CMOS Support Battery The disk shaped battery on the mainboard is a Lithium Ion battery that supports the small amount of onboard memory where the CMOS Setup utility’s configuration record is stored. The bat- tery will last for a number of years and can conceivably outlast the usage period of the computer it is in.
Page 22
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.10 The RAIDport™ & Onboard SCSI The RAIDport™ and onboard SCSI controller and ports are optional hardware which are not installed on some versions of this mainboard. The Adaptec RAIDport™ technology is a slot extension that extends the PCI4 slot into an expansion slot for the Adaptec ARO- 1130 RAID controller card.
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.11 The CPU Retention Modules The Pentium II CPU requires a mounting frame that attaches to the mainboard to guide the CPU during installation and secure it to the mainboard. This frame is called a “retention module”...
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.12 5. Secure the retention module to the mainboard by screwing the retaining nuts down with a screwdriver. The module should be secure, but don’t overtighten the nuts. There are receptacles at the top of the guide rails that the mounting latches on the Pentium II fit into.
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.13 CMOS Setup Utility – This is the main screen for the setup utility from which you access its various sections. The function and use of each section is covered in Section 4: Reference Information.
P6LX2-A User’s Manual 2: Using Your Mainboard – 2.14 Flashing The BIOS This mainboard uses the Award BIOS. The BIOS is stored on a programmable flash memory chip on the mainboard. Updates to the BIOS can be installed by installing a new BIOS file on the flash chip, which replaces the existing one.
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.1 In This Section: Installing Expansion Cards Adding System Memory Installing A CPU Upgrade Adding An IDE Peripheral Adding SCSI Devices Installing An AGP Card Reconfiguring Your Mainboard This section explains how to install new hardware on your mainboard.
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.2 PCI Cards & Slots With very few exceptions, any PCI expansion card you are likely to get will be Plug an Play compliant. If you are using an Operating System that supports PnP, such as Windows 95, you...
Page 29
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.3 CMOS Setup Utility – PnP/PCI Configuration This is the default screen for If you install an Operating Sys- this section when Setup De- tem that supports Plug and Play, such as Windows95, faults are loaded.
Page 30
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.4 CMOS Setup Utility – PnP/PCI Configuration Legacy cards, by definition, When ‘Resources Controlled are not PnP compliant and must be manually configured By’ is set to ‘Manual’ you can if they require an IRQ or DMA individually configure the IRQ &...
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.5 Adding System Memory There are some requirements you must follow if you want to install system memory. The memory subsystem has four 168- pin DIMM sockets which function independently. This main- board supports both EDO DRAM and SDRAM (Synchronous DRAM) modules.
Page 32
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.6 DIMM4 DIMM3 DIMM2 Retaining Clamp DIMM1 DIMM Sockets The picture above shows the and are held in position by a memory module sockets in retaining clamp at each end detail. The sockets are num- of the socket.
Page 33
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.7 Installing Memory Modules To install a DIMM module, look at the module and note the position of the shorter section of the connector edge that plugs into the DIMM socket. Note the position of the shorter section of the socket.
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.8 Installing A CPU Upgrade If you are installing this mainboard it will not have a CPU installed unless your vendor installed one when you purchased the board. If the mainboard is installed in a system, there will already be a CPU installed.
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.9 CPU Jumper Table & Illustrations The next two pages show the CPU jumper settings. The set- tings are listed in the tables as follows: • For a two-pin jumper, On, if the cap is in place, and Off, if the cap is not in place.
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.11 Jumper Locations The illustration above shows the location of the jumpers on the mainboard.
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.12 Adding An IDE Peripheral This section covers some aspects of installing internal IDE pe- ripheral devices as they relate to the mainboard. The onboard Enhanced IDE controller supports up to four devices, two per IDE channel.
Page 39
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.13 CMOS Setup Utility – You can also set the transfer Integrated Peripherals mode for each device manu- The illustration above shows ally, although we recom- the Optimum Settings for this mend using the default set- screen.
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.14 Installing IDE Devices The mainboard’s Enhanced IDE controller supports four de- vices in two channels, IDE1 and IDE2. These are called the Pri- mary and Secondary IDE channels. Each channel supports two devices, the first device is called the Master device and the second the Slave device.
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.15 IDE Devices & CMOS Setup When you install a new hard disk drive its parameters will be automatically detected by the BIOS and entered in the Standard CMOS Setup section of the CMOS Setup utility if you use the Optimum Settings, which automatically detect any new hard disk drive.
P6LX2-A User’s Manual 3: Reconfiguring Your Mainboard – 3.16 SCSI Device IDs Each SCSI connector can support up to seven SCSI devices. Each SCSI device in the chain must have a unique identification number to identify itself to the controller. You set the ID number on the device hardware.
CPU Information Memory Configurations CMOS Setup Utility P6LX2-A Reference Information This section is a summary of the P6LX2-A’s specifications and settings. Using This Section The information in this section is presented in a summary for- mat to make it easy to find specific information. If you need re-...
Page 44
P6LX2-A User’s Manual 4: Reference Information – 4.2 COM1 COM2 Mouse Parallel Keybd IR header CHASFAN CPU #1 Slot CPUFan1 ATX Power ISA 2, 1 AGP Slot PCI 5,4,3,2,1 CPU #2 Slot RAID Port CPUFan2 DIMM4 DIMM3 SCSIN, SCSIW DIMM2...
P6LX2-A User’s Manual 4: Reference Information – 4.3 Jumper Configuration & Connector Summary This section lists the jumper setting options for this mainboard and the onboard connectors. The settings are listed as follows: • The two pins shorted by a jumper cap on a three-or-more-pin jumper, e.g.
Page 46
P6LX2-A User’s Manual 4: Reference Information – 4.4 CPU Jumper Settings Function Jumper Settings Internal 3.5x 5-6, 7-8 (233MHz CPU) Clock Factor 4.0x 1-2, 3-4, 7-8 (266MHz CPU) 4.5x 3-4, 7-8 (300MHz CPU) 5.0x 1-2, 7-8 (333MHz CPU) Note: External Bus Clock is 66MHz...
Page 47
P6LX2-A User’s Manual 4: Reference Information – 4.5 JP1: SMI Signal Source JP6: Internal Clock Factor IOAPIC PIIX4 3.5X JP3: Clear CMOS 4.0X Clear Normal 4.5X 5.0X...
P6LX2-A User’s Manual 4: Reference Information – 4.6 Onboard Connectors Name: Function Description KB: Keyboard/Mouse Stacked PS/2 ports, keyboard lower, mouse upper COM2: Serial Port 2 Onboard 9-pin serial port is COM2, can be set to COM4 COM1: Serial Port 1...
Page 49
P6LX2-A User’s Manual 4: Reference Information – 4.7 Name: Function Description J1: LAN Wake-up Connects to LAN card for system wake-up from LAN (Intel Wake-up On LAN) J2: Modem Wake-up Connects to internal modem for system wake-up on modem ring-in...
P6LX2-A User’s Manual 4: Reference Information – 4.8 The AGP Slot The AGP (Accelerated Graphics Port) slot is for an AGP dis- play card. With the Optimum Settings loaded in the BIOS Setup Utility the AGP has a default memory aperture of 4MB, expand- able to 256MB.
P6LX2-A User’s Manual 4: Reference Information – 4.9 System Memory Specifications The memory subsystem on this mainboard has four 168-pin DIMM sockets. The sockets function independently and can use either unbuffered EDO DRAM or SDRAM 3.3–Volt modules. Single or double-sided modules are supported up to a total memory capacity of 512MB SDRAM or 1GB EDO.
P6LX2-A User’s Manual 4: Reference Information – 4.10 CMOS Setup Utility Summary This section explains the entries in the CMOS Setup Utility program. This utility is permanently stored on the BIOS chip on the mainboard. It creates a record of the mainboard’s and some system configuration information and stores it in battery-sup- ported memory on the mainboard.
Page 53
P6LX2-A User’s Manual 4: Reference Information – 4.11...
P6LX2-A User’s Manual 4: Reference Information – 4.12 Menu Commands If you look at the lower portion of the screen illustration you’ll see a section that lists the control commands for this level of the program. You execute a command by pressing the key for that command.
P6LX2-A User’s Manual 4: Reference Information – 4.13 • Load BIOS Defaults Loads minimum settings from the BIOS ROM. • Load Optimum Settings Loads optimized settings from the BIOS ROM. • Integrated Peripherals Settings for the IDE channels and onboard ports •...
Page 56
P6LX2-A User’s Manual 4: Reference Information – 4.14 Standard CMOS Setup To enter this section, highlight this menu item in the main menu and press the Enter key. The screen above will appear. Menu Commands If you look at the lower portion of the screen illustration you’ll see a section that lists the control commands for this level of the program.
Page 57
P6LX2-A User’s Manual 4: Reference Information – 4.15 Select Item You can use the arrow keys on your keyboard to move around the screen and select a menu item. An item is highlighted when it is selected. Change Color You can change the program color scheme by pressing Shift +...
Page 58
P6LX2-A User’s Manual 4: Reference Information – 4.16 Large Hard Disk Modes The last of the drive parameter entries – Mode – has four op- tions, Normal, LBA, Large and Auto. The Mode settings are for IDE hard disks only.
Page 59
P6LX2-A User’s Manual 4: Reference Information – 4.17 Highlight the listing after each drive name and select the ap- propriate entry. Floppy 3 Mode Support 3 Mode is a Japanese 3.5-inch floppy disk drive specification. If this type of drive is installed you should enable this feature.
Page 60
P6LX2-A User’s Manual 4: Reference Information – 4.18 BIOS Features Setup To enter this section of the Setup program, highlight this menu item in the main menu and press the Enter key. The following screen will appear.
Page 61
P6LX2-A User’s Manual 4: Reference Information – 4.19 Menu Commands If you look at the lower portion of the screen illustration you’ll see a section that lists the control commands for this level of the program. You execute a command by pressing the key for that command.
Page 62
P6LX2-A User’s Manual 4: Reference Information – 4.20 Virus Warning This protects the primary hard disk’s boot sector and partition table from infection. Any attempt to write to them will halt the system and produce a warning message. If this happens, you can either allow the system to continue or stop it and boot from a virus-free bootable floppy disk.
Page 63
P6LX2-A User’s Manual 4: Reference Information – 4.21 Swap Floppy Drive This switches the floppy drive assignments so that drive A is treated as drive B: and drive B: as drive A: under DOS. The de- fault setting is Disabled.
Page 64
P6LX2-A User’s Manual 4: Reference Information – 4.22 MPS Version The Optimum Setting of this item is required for this mainboard. The setting is 1.4. OS Select For DRAM >64MB If your system has more than 64MB of system memory and the OS/2 operating system is in use, set this to the OS2 setting.
Page 65
P6LX2-A User’s Manual 4: Reference Information – 4.23 Chipset Features Setup To enter this section of the Setup program, highlight this menu item in the main menu and press the Enter key. The screen above will appear. Everything on this screen is either an optimum set- ting or set automatically when auto-configuration is active.
Page 66
P6LX2-A User’s Manual 4: Reference Information – 4.24 Memory Hole At 15M–16M Some special add-on cards require a 1MB address space be- tween 15 and 16MB. The documentation for this type of card should tell you if it needs this. The default setting is Disabled.
Page 67
P6LX2-A User’s Manual 4: Reference Information – 4.25 Power Management Setup To enter this section of the Setup program, highlight this menu item in the main menu and press the Enter key. The screen above will appear. Menu Commands The menu commands for this screen are the same as for the...
Page 68
P6LX2-A User’s Manual 4: Reference Information – 4.26 What Power Management Does Power management lets you set up your computer to save electricity when it is not actively in use by putting the system into progressively greater power saving modes. In the power man-...
Page 69
P6LX2-A User’s Manual 4: Reference Information – 4.27 Video Off After This governs when the video display gets turned off. The op- tions are: Suspend Off after system enters Suspend mode Standby Off after system enters Standby mode Doze Off after system enters Doze mode...
Page 70
P6LX2-A User’s Manual 4: Reference Information – 4.28 HDD Power Down This shuts down IDE hard disks that support a power saving mode after a specified time period. The settings range from 1 to 15 minutes and can be set manually when power management is in User Define mode.
Page 71
P6LX2-A User’s Manual 4: Reference Information – 4.29 VGA Active Monitor When this line is set to the default, Enabled, the system will not initiate power saving while there is display activity. The other option is Disabled. Soft-Off By PWR-BTTN This line controls the function of a power switch attached to the J9 Power Push Button connector.
Page 72
P6LX2-A User’s Manual 4: Reference Information – 4.30 Break Event From Suspend The two lines in this section control whether the system will wake-up if either of the events noted occur. The defaults are shown on the screen illustration on the next page.
Page 73
P6LX2-A User’s Manual 4: Reference Information – 4.31 PNP/PCI Configuration To enter this section of the Setup program, highlight this menu item in the main menu and press the Enter key. The following screen will appear. Menu Commands The menu commands for this screen are the same as for the...
Page 74
P6LX2-A User’s Manual 4: Reference Information – 4.32 Resources Controlled By When this line is set to Auto the BIOS will automatically con- figure IRQ and DMA resources. This is the recommended set- ting. If you set this line to Manual, the screen changes as shown above and allows manual configuration.
Page 75
P6LX2-A User’s Manual 4: Reference Information – 4.33 PCI IDE IRQ Map To Most of PCI IDE cards are non-PCI compliant. This line de- fines the IRQ Routing to make them work properly. The avail- able settings are: PCI-AUTO (default)
Page 76
P6LX2-A User’s Manual 4: Reference Information – 4.34 Load BIOS Defaults To use this command highlight it in the main menu and press Enter. A message will appear asking if you want to load the BIOS Defaults. Press the Y key and then the Enter key. The BIOS de- fault settings will load.
P6LX2-A User’s Manual 4: Reference Information – 4.35 Integrated Peripherals This section sets the IDE transfer mode for all IDE channels. It also configures the other onboard ports. Menu Commands The menu commands for this screen are the same as for the...
Page 78
P6LX2-A User’s Manual 4: Reference Information – 4.36 IDE HDD Block Mode Enables hard disk drive block transfer mode . The setting op- tions are: Enabled (default) Disabled On-Chip Primary/Secondary PCI IDE Enables or Disables the Primary or Secondary PCI controllers.
Page 79
P6LX2-A User’s Manual 4: Reference Information – 4.37 Onboard FDD Controller Enables or Disables the onboard Floppy Drive controller. Onboard Serial Port 1/2 Sets the I/O address for serial ports 1 & 2. 3F8/IRQ4 Onboard serial port COM1 default 2F8/IRQ3...
Page 80
P6LX2-A User’s Manual 4: Reference Information – 4.38 Onboard Parallel Port Sets the I/O address for the onboard parallel port. The setting options are: 378H/IRQ7 (default) Disabled 278H/IRQ5 3BCH/IRQ7 If you set this option to ‘Disabled’, the next option, ‘Onboard...
Page 81
P6LX2-A User’s Manual 4: Reference Information – 4.39 Onboard Parallel Mode Selects the parallel port mode. The setting options are: SPP (default) ECP/EPP EPP/SPP If you set this option to ‘SPP’ or ‘EPP/SPP’, the ‘ECP Mode Use DMA’ option will not appear on the screen. If you set this option to ‘SPP’...
P6LX2-A User’s Manual 4: Reference Information – 4.40 PC Health Monitor To enter this section of the Setup program, highlight this menu item in the main menu and press the Enter key. Menu Commands The menu commands for this screen are the same as for the BIOS Features Setup screen.
Page 83
P6LX2-A User’s Manual 4: Reference Information – 4.41 The monitored items and default settings are: **** Warning Messages **** CPU 0 Core Voltage Enabled CPU 1 Core Voltage Enabled Vcc3 Voltage (3.36V) Enabled VCC Voltage (5V) Enabled +12V Voltage Enabled –12V Voltage...
Page 84
P6LX2-A User’s Manual 4: Reference Information – 4.42 Supervisor & User Password Settings To use either of these commands, highlight one in the main menu and press Enter. A message will appear prompting you to enter a password. Type in a password. The password is case sensitive, and can be up to 8 alphanumeric characters.