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Motherboard Specifications, P5BW-LA (Basswood2)

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Motherboard specifications table
Part / FeatureSpecification / Support
Motherboard description
  • Motherboard manufacturer's name: ASUS P5BW-LA
  • HP/Compaq name: Basswood2-UL8E
CPU/Processor
  • Socket: 775
  • Supports the following processors:
    • Intel Core 2 Duo Processor E4x00 with Dual Core Technology (Conroe core)
    • Intel Core 2 Duo Processor E6x00 with Dual Core Technology (Conroe core)
Front side bus
  • 533 MHz, 800 MHz, 1066 MHz (processor dependent)
Chipset
  • Northbridge: Intel P965
  • Southbridge: ICH8DH
BIOS features
  • System BIOS core brand: Award
  • Keyboard combination used to enter BIOS: F10
Form factor
  • Micro-ATX: 9.6 in X 9.6 in
Memory
  • Dual channel memory architecture
  • Four 240-pin DDR2 DIMM sockets
  • Supports PC2 4200 (533 MHz), PC2 5300 (667 MHz) and PC2 6400 (800 MHz) DDR2 DIMMs
  • supports 2GB DDR2 DIMMs
  • Supports up to 8 GB on 64 bit PCs
  • Supports up to 4 GB* on 32 bit PCs


NOTE: *Actual available memory may be less
Expansion slots
  • Three PCI
  • One PCI Express x16 graphics
  • Two additional PCI when using an optional PCI extender card. This requires a full sized ATX case.
Video graphics
  • Requires a PCI Express x16 graphics card
  • No integrated graphics
Serial ATA
  • 6 SATA connectors
  • Supports SATA2 3.0 Gb/s
  • Backwards compatible with SATA 1.5 Gb/s
  • Each connector supports 1 Serial ATA disk drive
RAID
  • Intel Matrix Storage Technology
  • Onboard RAID controller: ICH8
  • All basswood2 models ship RAID-ready
  • Set up RAID using the included WinXP applet
  • RAID modes supported*:
    • RAID 0
    • RAID 1


NOTE: *RAID 5 requires three HDDs and RAID 10 requires four HDDs. While this motherboard can support RAID 5 and 10, only RAID 0 and RAID 1 modes are supported.
Onboard audio
  • High Definition 8 channel audio
  • Supports SPDIF input/output
  • Audio CODEC: Realtek ALC885
Onboard LAN
  • 10/100 Mps LAN PHY
  • Intel 82562V PHY (Ekron-N)
Onboard USB
  • USB 2.0
  • 10 ports total
    • Four connectors on back panel
    • Three headers on motherboard supporting 6 additional ports/devices
Onboard 1394
  • Type: IEEE 1394a 400Mb/s
  • Agere LFW3226 controller chip
  • 2 ports total
    • One port on back panel
    • One header on motherboard supporting one additional port/device
Back panel I/0
  • One PS/2 keyboard port (purple)
  • One PS/2 mouse port (green)
  • One SPDIF in port
  • One SPDIF out port
  • Four USB 2.0
  • One 6-pin IEEE 1394a
  • One RJ-45 networking port
  • Audio ports:
    • Line-in (light blue)
    • Line-out (lime)
    • Microphone-in (pink)
    • Side speaker out (gray)
    • Rear speaker out (black)
    • Center/subwoofer (yellow orange)
Internal connectors
  • One 24-pin ATX power connector
  • One 4-pin ATX power connector
  • Six 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 SPDIF-Audio output connector
  • One Line input connector (interrupts line input on back panel, Vista capable, requires matching front audio jack module)
  • One 9-pin audio header for headphone-out and microphone-in (yellow, Vista capable, requires matching front audio jack module)
  • Three USB 2.0 headers supporting 6 USB ports or devices
  • One IEEE 1394a header
  • One jumper for resetting BIOS settings
  • One jumper to disable BIOS password checking
  • One additional jumper labeled J6. Do not change.
  • One additional header labeled "SPI_HEADER". Do not change.
NOTE: Motherboard specifications are subject to change without notice.
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Motherboard layout and photos
Figure 1: layout
Figure 2: Photograph
Figure 3: Backplate
1 - PS/2 mouse port (green). This port is for a PS/2 mouse.
2 - Coaxial SPDIF Out port. This port connects an external audio output device via a coaxial SPDIF cable.
3 - LAN (RJ-45) port. This port allows connection to a Local Area Network (LAN) through a network hub.
4 - Rear Speaker Out port (black). This port connects to the rear speakers on a 4-channel, 6-channel, or 8-channel audio configuration.
5 - Center/Subwoofer port (yellow orange). This port connects the center/subwoofer speakers.
6 - Line In port (light blue). This port connects a tape, CD, DVD player or other audio sources.
7 - Line Out port (lime). This port connects a headphone or a speaker. In 4-channel, 6-channel, and 8-channel mode, the function of this port becomes Front Speaker Out.
8 - Microphone port (pink). This port connects a microphone.
9 - Side Speaker Out port (gray). This port connects to the side speakers in an 8-channel audio configuration.
10 - USB 2.0 ports 1, 2, 3, and 4. These four 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.
11 - IEEE 1394a port. This 6-pin IEEE 1394a port provides high-speed connectivity for audio/video devices, storage peripherals, PCs, or portable devices.
12 - Coaxial SPDIF In port. This port connects an external audio input device via a coaxial SPDIF cable.
13 - PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
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Clearing the BIOS settings
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 4: Jumper locations
Clearing CMOS
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.
Clearing the BIOS password
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.
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Additional jumpers
The motherboard may include an additional jumper J6. This jumper will have pins 1-2 bridged and should not be changed.
The motherboard may include a header labeled "SPI_HEADER". This header will have pins 1-2 jumpered and should not be changed.
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