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HP and Compaq Desktop PCs - Motherboard Specifications, IPIBL-LB (Benicia)

Figure : The IPIBL-LB (Benicia) motherboard

Motherboard description

Manufacturer's motherboard: Asus IPIBL-LB
HP/Compaq name: Benicia-GL8E

Form Factor

Micro-ATX: 24.5 cm (9.6 inches) x 24.5 cm (9.6 inches)

Chipset

Intel G33

Front-side bus speed

800/1066/1333 MHz

Processor upgrade information

Motherboard supports the following processor upgrades:

Intel Core 2 Quad (Y) Q9xxxx
Intel Core 2 Duo (W) E8xxx
Intel Core 2 Quad (K) up to Q6600
Core 2 Duo E6x00 (C) up to E6700
Core 2 Duo E4x00 (C) up to E4400

Memory upgrade information

Dual channel memory architecture
Four 240-pin DDR2 DIMM sockets
Supported DIMM types:
- PC2-5300 (667 MHz)
- PC2-6400 (800 MHz)
Non-ECC memory only, unbuffered
Supports 2GB DDR2 DIMMs
Supports up to 8 GB on 64 bit PCs
Supports up to 4 GB* on 32 bit PCs

*32-bit operating systems cannot address a full 4.0 GB of memory.

Video

Integrated graphics using Intel GMA 3100

*Integrated video is not available if a graphics card is installed

Integrated graphics using Intel GMA 3100
Also supports PCI Express x16 graphics cards*

Audio

Integrated Audio ALC888S

*Integrated audio is not available if a sound card is installed.

Audio CODEC: ALC888S
7.1 channel high-definition audio

Network

LAN: 10-Base-T

Interface: Integrated into motherboard
Technology: Realtek 8111C
Data transfer speeds: up to 10/100 Mb/s
Transmission standards:10-Base-T Ethernet

Expansion Slots

One PCI
One PCI Express x16
Two PCI Express x1

I/O Ports

Back I/O ports

Figure : Back I/O panel

PS/2 mouse port (green)

Coaxial SPDIF Out

Video Graphics Adapter

IEEE 1394a

RJ45 Network (LAN)

Audio: Center/Subwoofer (yellow orange)

Audio: Rear Speaker Out (black)

Audio: Line In (light blue)

Audio: Line put (lime)

Audio: Microphone (pink)

Audio: Side Speaker Out (gray)

USB 2.0 ports 1, 2, 3, and 4

Coaxial SPDIF In

PS/2 keyboard (purple)

Internal Connectors

One 24-pin ATX power connector
One 4-pin ATX power connector
Six SATA connectors
One floppy drive connector
Two 12v fan connectors for CPU fan and PC fan
One 9-pin header for power button, reset button, power LED, and HDD LED
Three USB 2.0 headers supporting 6 USB ports or devices
One IEEE 1394a header
One SPDIF audio output header
One 4-pin audio 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)
Intel high-definition Audio/Modem Link (2x8 HDMI connector)
One jumper for resetting BIOS settings
One jumper to disable BIOS password checking

Motherboard layout

Figure : layout

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 4-6.

Clearing CMOS

To clear CMOS, follow these steps:

Temporarily set jumper CLEAR_CMOS to pins 2-4.
Wait 5-10 seconds and then return the jumper to pins 4-6.
On the next startup, enter BIOS setup to reset any custom BIOS settings.

Clearing the BIOS password 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:

Turn OFF the computer and unplug the power cord.
Locate the jumper labeled CLEAR_PWD. In the default (normal) position the jumper is on pins 3-5.
Move the jumper on jumper CLEAR_PWD to pins 1-3 to clear password.
Plug the power cord and turn ON the computer.
Hold down the F10 key during the startup process and enter BIOS setup to change or clear the password.
After changing or clearing the BIOS passwords, remember to reset the jumper to pins 3-5.