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HP and Compaq Desktop PCs - Motherboard Specifications, IPISB-NK (LavacaSB)

Figure 1: The IPISB-NK (LavacaSB) motherboard

 Photograph of motherboard

Motherboard description

  • Manufacturer name: Pegatron

  • Manufacturer's motherboard name: IPISB-NK

  • HP/Compaq name: LavacaSB

Form Factor

  • Custom 22 cm (8.7 inches) x 24.2 cm (9.5 inches)


  • Intel H61

Front-side bus speed

  • DMI (Direct Media Interface)

  • 5 Gb/s

Upgrade Information

Processor upgrade information

  • Socket type: LGA 1155

  • Motherboard supports the following processor upgrades:

    Core i7-2600s (Sandy Bridge) quad core
    Core i5-2400s (Sandy Bridge) quad core
    Core i3-2120 (Sandy Bridge) dual core
    Core i3-2100 (Sandy Bridge) dual core
    Core i3-2100t (Sandy Bridge) dual core
    Intel Pentium G860 (Sandy Bridge) Dual Core
    Intel Pentium G850 (Sandy Bridge) Dual Core
    Intel Pentium G840 (Sandy Bridge) Dual Core
    Intel Pentium G640 (Sandy Bridge) Dual Core
    Intel Pentium G630 (Sandy Bridge) Dual Core
    Intel Pentium G620 (Sandy Bridge) Dual Core
    Intel Pentium G630T (Sandy Bridge) Dual Core
    Intel Pentium G620T (Sandy Bridge) Dual Core
NOTE: Integrated graphics is provided by Intel HD 2000 Graphics, which is part of the processor

Memory upgrade information

  • Dual channel memory architecture

  • Two DDR3 SO-DIMMs (200-pin) sockets

    • PC3-8500 (DDR3-1066)

    • PC3-10600 (DDR3-1333)

  • Non-ECC memory only, unbuffered

  • Supports 1GB, 2GB, and 4GB DDR3 SO-DIMMs

  • Supports up to 8 GB on 64-bit PCs

  • Supports up to 4 GB on 32-bit PCs

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

Integrated video

Intel Graphics Media Accelerator HD (DX10.1)

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

  • Integrated Intel HD 2000 graphics (supported by the processor)

  • One Mobile PCI Express Module (MXM) socket

    • MXM 3.0 version: Type A

    • <35W

    • Shared memory up to 256 MB

Integrated audio

Audio CODEC: IDT 92HD91

Integrated High Definition audio

  • Audio CODEC: IDT 92HD91

  • Supports jack sensing

Integrated network

LAN: Gigabit 1000-Base-T

  • Technology: Realtek RTL8111E

  • Data transfer speeds: up to 10/100/1000 Mb/s

  • Transmission standards: Gigabit 1000-Base-T Ethernet

Expansion Slots

  • Two PCI Express mini card sockets (Generation 2 speed)

  • One PCI Express MXM slot that supports a PCI Express x16 graphics card (Generation 2 speed)

I/O Ports and internal connectors

Side I/O ports

Figure 2: Side I/O ports

Photograph of side ports
1 - Audio: Headphone
2 - Audio: Microphone
3 - USB 3.0: 2
4 - Memory card reader

Back I/O ports

Figure 3: Back I/O panel

Photograph of back ports
1 - DC power input
2 - Power activity indicator light
3 - IR blaster port (model dependent)
4 - LAN
5 - USB 2.0: 4
6 - Audio: Line-out
7 - Audio: Subwoofer out

Internal Connectors

  • 1x power supply connector

  • 1x CPU fan header

  • 1x System fan header

  • 2x SATA 2.0 connectors

  • 2x LVDS connectors

  • 2x DVI connectors (when a scalar card is present)

  • 2x Internal 4W speaker headers (to support integrated speakers)

  • 1x IR LEDs header

  • 1x ODD eject/LED + power button header

  • 1x Backlight control + power header

  • 1x DC-in/power LED header

  • 2x Rear I/O module headers

  • 4x USB connectors on back panel

  • 2x USB connectors on side panel

Clearing the CMOS settings

CAUTION: Do not change any jumper setting while the computer is on. Damage to the motherboard can result.

This motherboard has a jumper to clear the CMOS.

  1. Turn OFF the computer and unplug the power cord.

  2. Move the jumper from pins 6-4 (default) to pins 4-2 for 5 to 10 secs, then move the jumper back to default.

  3. Plug the power cord and turn ON the computer.

  4. On the next startup, enter BIOS setup to re-enter user settings.

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