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Motherboard Specifications, P5BW-LA (Basswood)

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Figure 1: The P5BW-LA (Basswood) motherboard
  • Manufacturer's motherboard name: ASUS P5BW-LA
  • HP/Compaq name: Basswood-UL8E
  • Micro-ATX: 24.4 cm (9.6 inches) x 24.4 cm (9.6 inches)
  • Intel P965
  • 533 MHz, 800 MHz, 1066 MHz (processor dependent)
Socket type: 775
Motherboard supports the following processor upgrades:
  • Intel Core 2 Duo E6x00 with Dual Core technology (Conroe)
  • Pentium D 9x0 series Dual Core (Presler)
  • Pentium D 8xx series (Smithfield)
  • Pentium 4 6x1 series (Cedar Mill)
  • Pentium 4 6xx (Prescott)
  • Pentium 4 5xx (Prescott)
  • Pentium 4 LGA-775 HT (Prescott)
  • Four 240-pin DDR2 DIMM sockets
  • Supports PC2 4200 (533 MHz), PC 5300 (667 MHz) and PC2 6400 (800 MHz) DDR2 DIMMs
  • Maximum HP/Compaq approved memory is 8 GB
Motherboard does not contain onboard graphics hardware to display video. A video card must be installed.
*Integrated audio is not available if a sound card is installed.
  • Built-in High Definition 8 channel audio
  • Realtek ALC 885 CODEC
  • Dolby 5.1 audio support
  • Interface: Integrated into motherboard
  • Technology: Intel 82562V
  • Data transfer speeds: up to 10/100 Mb/s
  • Transmission standards: 10-Base-T Ethernet
  • Two PCI Express x1
  • Three PCI
  • Two additional PCI when using an optional PCI extender card. This requires a full sized ATX case.
Figure 2: Back I/O panel
1 - PS/2 mouse (green)
2 - Coaxial SPDIF Out
3 - RJ-45 Network (LAN)
4 - Audio: Rear Speaker Out (black)
5 - Audio: Center/Subwoofer (yellow orange)
6 - Audio: Line In (light blue)
7 - Audio: Line Out (lime)
8 - Audio: Microphone (pink)
9 - Audio: Side Speaker Out (gray)
10 - USB 2.0: 4
11 - IEEE 1394a (FireWire)
12 - Coaxial SPDIF In
13 - PS/2 keyboard (purple)
  • One 24-pin ATX power connector
  • One 4-pin ATX power connector
  • Four SATA connectors
  • One floppy drive connector
  • Two 12v fan connector
  • One 9-pin header for power button, reset button, power LED, and HDD LED
  • One CD-Audio In connector
  • Audio headers
  • Three USB 2.0 headers supporting 6 USB ports or devices
  • One IEEE 1394a connector

Motherboard layout

CAUTION: Do not change any jumper setting while the computer is on. Damage to the motherboard can result.
This motherboard has jumpers to:
Clear the Real Time Clock (RTC) RAM in CMOS. In the default (normal) position the jumper is on pins 2-3.
Figure 3: Jumper locations
To clear CMOS, follow these steps:
  1. Temporarily set jumper CLEAR_CMOS to pins 1-2.
  2. Wait 5-10 seconds and then return the jumper to pins 2-3.
  3. On the next PC startup, enter BIOS setup to reset any custom BIOS settings.
The BIOS password is used to protect BIOS settings from unwanted changes. If the BIOS password has been forgotten, disable password checking to enter setup and change or erase the password.
To erase the BIOS password follow these steps:
  1. Turn OFF the computer and unplug the power cord.
  2. Locate the jumper labeled CLEAR_PWD. In the default (normal) position the jumper is on pins 2-3.
  3. Move the jumper on jumper CLEAR_PWD to pins 1-2 to clear password.
  4. Plug the power cord and turn ON the computer.
  5. Hold down the F1 key during the startup process and enter BIOS setup to change or clear the password.
  6. After changing or clearing the BIOS passwords, remember to reset the jumper to pins 2-3.