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HP and Compaq Desktop PCs - Motherboard Specifications, IPISB-CH2 (Chicago)

Figure 1: The Chicago motherboard

Photograph of motherboard

Motherboard description

  • Manufacturer's motherboard name: Pegatron

  • Motherboard name: IPISB-CH2

  • HP/Compaq name: Chicago

Form Factor

  • uATX: 24.4 cm (9.6 inches) x 24.4 cm (9.6 inches)


  • Intel H67

Front-side bus speed

  • 100 MHz DMI (Direct Media Interface)

Processor upgrade information

  • TDP: 95W

  • Socket type: LGA 1155

  • Motherboard supports the following processor upgrades:

    • Intel Core i7-2xxx (Sandy Bridge) quad core
    • Intel Core i5-2xxx (Sandy Bridge) quad core
    • Intel Core i3-2xxx (Sandy Bridge) dual core
    • Intel Core i3-2xxx/T (Sandy Bridge) dual core
    • Intel Pentium G8xx (Sandy Bridge) dual core
    • Intel Pentium G6xxx (Sandy Bridge) dual core

Memory upgrade information

  • Dual channel memory architecture (also supports single channel)

  • Four 240-pin DDR3 DIMM sockets

  • Supports the following:

    • PC3-8500 (DDR3-1066)

    • PC3-10600 (DDR3-1333)

  • Non-ECC memory only, unbuffered

  • Supports 1 GB, 2 GB, and 4 GB DIMMs

  • Supports up to 4 GB on 32-bit* systems

  • Supports up to 16 GB on 64-bit systems

NOTE: 32-bit systems cannot address a full 4.0 GB of memory


Integrated Graphics

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

  • Intel HD Graphics 2000 or HD Graphics 3000 (model dependent)

  • Supports PCI Express x16 graphics cards

  • 2 DVI ports (DVI-I and DVI-D)


Integrated IDT 92HD89E Audio

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

  • Built-in High Definition 8 channel audio



LAN: 1000-Base-T

  • Interface: PCI Express x1

  • Technology: Realtek RTL8111E gigabit ethernet controller

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

  • Transmission standards: 1000-Base-T Ethernet

Expansion Slots

  • One PCI Express x16

  • Three PCI Express x1

  • One PCI Express mini card x1

I/O Ports

Back I/O ports

Figure 2: Back I/O panel

  1. S/PDIF port

  2. USB 2.0 or 3.0 (model dependent): 4

  3. LAN

  4. DVI-I

  5. DVI-D

  6. Audio: Center/subwoofer

  7. Audio: Rear speaker out

  8. Audio: Side speaker out

  9. Audio: Line in

  10. Audio: Line out

  11. Audio: Microphone

Internal Connectors

  • 1x ATX power connector

  • 1x WLAN minicard activity LED connector

  • 1x ATX CPU power connector

  • 1x CPU fan connector

  • 1x System fan connector

  • 6x SATA connectors

  • 1x Internal S/PDIF output connector

  • 1x Front panel audio connector

  • 1x ROM recovery connector

  • 1x Speaker connector

  • 1x Hood_sense connector

  • 1x One touch reset connector

  • 1x One touch recovery connector

  • 1x Front panel connector

  • 14x USB connectors (12x 2.0/2x 3.0)

Motherboard layout

Figure 3: layout

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 Real Time Clock (RTC) RAM in CMOS.

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

  2. Move the jumper to clear 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.

Clearing the PASSWORD settings

The BIOS password is used to protect BIOS settings from unwanted changes.

To erase the BIOS password follow these steps:

  1. Turn OFF the computer.

  2. Move the jumper to Clear.

  3. Turn ON the computer to POST screen.

  4. Turn OFF the computer.

  5. Move the jumper to Default.

  6. Enter BIOS setup to verify or configure new settings.

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