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P6LX-B Mainboard Preliminary Guide
P6LX-B Mainboard
Preliminary Guide
This is a preliminary guide for product evaluation purposes. The full manual will be released later.
The standard P6LX-B package will include:
• P6LX-B mainboard
• 1 CPU Retention Module pack
• 1 Floppy controller ribbon cable; 1 IDE controller ribbon cable
• 1 PS/2 Mouse & Serial port Port Bracket; Parallel port and Serial port Port Bracket
• User’s Manual
• Support Disk:
IDE Bus Master Drivers for Windows95, Windows 3.x, Windows NT 3.51 & 4.0
AGP Drivers
Optional LANDesk Configuration Manager software
Supported CPUs
This mainboard supports the Intel Pentium II CPU running at any of the following clock speeds:
233MHz, 266MHz, 300MHz, 333MHz
• Embedded L2 cache in CPU
• No-jumper CPU frequency settings (set in BIOS CMOS Setup Utility)
System Memory Specifications
• Three DIMM sockets
• Uses 3.3Volt unbuffered EDO or SDRAM DIMM modules
• Any combination of specified modules allowed
• Supports ECC
• Maximum supported memory 384MB SDRAM or 768MB EDO
Expansion Slots
• 2 ISA slots (ISA1, ISA2)
• 4 PCI slots (PCI1, PCI2, PCI3, PCI4)
• 1 AGP (Accelerated Graphics Port) slot - 1X & 2X 3.3V devices supported
• PCI4 & ISA1 share external access position
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P6LX-B Mainboard Preliminary Guide
P6LX-B Mainboard Layout
J6
ISA 2, 1
PCI 4,3,2,1
Parallel
IR
J3
COM2
AGP Slot
USB
COM1
Floppy
Mouse
JP3
CPU Slot
Keybd
J12
JP1
J5
DIMM1
DIMM2
DIMM3
Secondary IDE
JP2
J22
Note: Alternate model has onboard PS/2 mouse and keyboard connectors
Primary IDE
J24
J4
J23
ATX Power
PS/2 Power
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P6LX-B Mainboard Preliminary Guide
Jumper Settings
Function Jumper Settings
Clear CMOS JP2 Clear 1-2*
Normal 2-3
* Turn off power, put cap on jumper for a moment and then remove to clear current settings
Keyboard & Mouse JP3 5VSB 1-2 (with K/1 wake-up chip installed)
Voltage Selector VCC 3-4
Note:
1. Clock Settings:
CPU External Clock speed and Internal Clock factor are set in the CMOS Setup Utility, not by jumpers.
2. CPU Status Detection:
The system automatically detects the CPU status at start-up and will display a message on-screen if the
CPU has been removed or changed since the last shut-down.
3. Keyboard Power-On:
System will power-on via a key command or mouse movement or click*
* Requires K/1 wake-up chip and ATX power supply
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P6LX-B Mainboard Preliminary Guide
Onboard Connectors
Name Function Description
J3 EMU Connector for Creative Labs EMU8008
J4 PS Fan power For ATX green power supply cooling fan power cable
J5 CPU Fan power For power management-enabled CPU cooling fan power cable
J6 Case Fan power For case-mounted cooling fan power cable
J7 Floppy Drive 34-pin connector connects to 2-device cable;
End device is Drive A:, middle is Drive B:
J9 PS/2 Keyboard Optional onboard PS/2 keyboard port
J10 AT Keyboard AT keyboard connector (no PS/2 connectors onboard with this)
J11 PS/2 Mouse Optional onboard PS/2 mouse port
J12 PS/2 Mouse Header for external PS/2 mouse connector port bracket
J13 FIR header (optional) Connects to optional Fast IR infrared module cable
J14 IR header Connects to optional IrDA or ASKIR infrared module cable
J15 Parallel Port Standard 25-pin parallel Printer port
J16 Serial Port One Onboard 9-pin serial port is COM1, can be set to COM3
J17 Serial Port Two Onboard 9-pin serial port is COM2, can be set to COM4
J18 USB Dual external USB port connector for optional port bracket
J19 Primary IDE 40-pin connector connects to supplied 2-device cable;
End device is Primary Master, middle is Slave
J20 Secondary IDE 40-pin connector connects to 2-device cable;
End device is Secondary Master, middle is Slave
J21 Power Standard ‘PS/2’ power supply connector
J22 Case Features Connects to case features:
Pins 1-3: Power On LED; 4-5: Suspend Switch;
6-8: Suspend LED; 9-10: Reset Switch; 11-12: Keyboard Lock;
13-16: Speaker; 17-18 HD LED; 19-20 Power On switch (ATX only)
J23 LAN Wake-up LAN activity wake-up header (ATX power only)
J24 Modem Wake-up Connects to internal modem for system wake-up on
modem ring (ATX power only)
PS1 ATX Power Optional ATX power supply connector
J22 Pin Assignments
Power LED
1 +
2 +
3 -
Sleep
4 I
5 G
Green LED
6 +
7 +
8 -
Reset
9 I
10 G
Keyboard Lock
11 I
12 G
Speaker
13 P
14 G
15 G
16 O
HDD LED
17 +
18 Power On
19 I
20 G
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