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HP and Compaq Desktop PCs - Motherboard Specifications (Arroyo)

Figure 1: The Arroyo motherboard

Photograph of motherboard

Motherboard description

  • Manufacturer: T & I

  • HP/Compaq name: Arroyo

Form Factor

  • Custom 16.5 cm (6.4 inch) x 19 cm (7.4 inch)


  • AMD Hudson-D1

Front-side bus speed

  • Not applicable

Processor information

  • AMD Fusion E450 (Zacate) Dual Core processor soldered down on the motherboard

  • Socket type: Not applicable, because the processor is soldered down to the motherboard

  • TDP: 18W

NOTE: Because the processor is soldered down to this motherboard, the processor cannot be upgraded

Memory upgrade information

  • Single channel memory architecture

  • Two 200-pin DDR3 SODIMM 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 SO-DIMMs

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

  • Supports up to 8 GB on 64-bit systems

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


Integrated AMD Radeon HD 6320 graphics

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

  • Up to 384 MB shared memory


Integrated Realtek ALC269 Audio

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

  • Integrated High Definition audio support

  • Audio Codec: Realtek ALC269 (with 2W per channel built-in speaker amplifier)


LAN: 10-Base-T

  • Technology: Realtek RTL 8175EH

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

  • Transmission standards: 10-Base-T Ethernet

Expansion Slots

  • One PCI Express half-length mini card socket

I/O Ports and internal connectors

Side I/O ports

Figure 2: Side I/O ports

1 - Audio: Headphone
2 - Audio: Microphone
3 - USB 2.0: 2
4 - Integrated 6-in-1 memory card reader

Back I/O ports

Figure 3: Back I/O ports

1 - DC input power port
2 - USB 2.0: 4
3 - Audio: Line out
4 - LAN

Internal Connectors

  • 1x power supply

  • 1x DC-in/power activity indicator

  • 1x CPU fan

  • 1x System fan

  • 1x Chipset fan

  • 1x CPU/System fan speed control

  • 1x USB webcam + digital microphone

  • 2x SATA 2.0

  • 1x SATA power 1.0 (HDD)

  • 1x SATA power/combination 1.0 (ODD)

  • 1x LVDS

  • 1x Backlight control + power

  • 4x 2.0 USB on back panel

  • 2x 2.0 USB on side panel

Jumper settings

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

Clearing the CMOS settings

This motherboard has a jumper to clear the Real Time Clock (RTC) RAM in CMOS.

Clear CMOS Jumper
Pin1 and Pin2
Pin2 and Pin3
Default (no function)

Clearing the PASSWORD settings

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

Clear Password
Pin1 and Pin2
Default (no function)
Pin2 and Pin3

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