This motherboard is an OEM (Original Equipment Manufacturer) board, specifically manufactured by Foxconn for HP and Compaq computers. Because it is an OEM board, a traditional "retail" manual with overclocking guides and detailed pinouts is generally not published by Foxconn. Instead, the documentation exists within HP's support guides.

Here is a breakdown of the specifications, commonly used in the HP Pavilion p6-23xx and Compaq Presario CQ4xxx series desktops.

Locating the Official IPMMB-FM Manual

HP does not list this board under "IPMMB-FM". To download the exact manual:

  1. Go to HP Support -> Software & Drivers.
  2. Enter your PC’s Product Number (e.g., p7-1234). Find this on the sticker on the back of your tower.
  3. Navigate to Manual & User Guides -> Motherboard Specifications.

Direct alternative: Search for "HP Pavilion p7-1xxx Maintenance & Service Guide". This 100+ page PDF contains the complete IPMMB-FM motherboard layout and diagnostic steps.

Issue 1: "3 Long Beeps" – No RAM Detected

  • Manual says: Re-seat memory.
  • Real fix: The IPMMB-FM is sensitive to single-sided vs. double-sided RAM. Use double-sided (16-chip) DDR3 modules for reliable POST.

Quick Specs & Overview

  • Manufacturer: Foxconn (OEM for HP)
  • Form Factor: uATX (Micro ATX) – 24.4 x 24.4 cm (9.6 x 9.6 inches)
  • Socket: LGA 1155 (Supports Intel Core i3, i5, i7 2nd and 3rd Generation processors)
  • Chipset: Intel H61 Express

Rear I/O Ports (Backplate)

  • Video: VGA and DVI-D ports (Uses integrated Intel HD Graphics).
  • USB: Up to 6x USB 2.0 ports.
  • Audio: 3x Audio jacks (Line-in, Line-out, Microphone).
  • LAN: RJ-45 Ethernet port (10/100/1000).
  • PS/2: Usually none (modern variations may differ, but most rely on USB).

Networking & serial configuration

  • Assign static IPs for headless devices in production, or configure DHCP with reservations.
  • Map serial port settings (baud rate, parity, flow control) to your peripherals; use RS-422/485 termination and biasing when connecting long industrial buses.
  • Test network throughput and serial connectivity before deployment.

How to Enter BIOS

  • Press F10 repeatedly during boot (as soon as the HP logo appears).
  • If that fails, try ESC to open the startup menu, then F10.

How to Update BIOS Without a Floppy (Since the Manual is Lost)

  1. Download the HP BIOS update (SpXXXXX.exe) from HP’s software/driver page for your PC model.
  2. Close all applications, plug in AC power.
  3. Run the executable as administrator. It will restart and flash the BIOS.
  4. Never interrupt the update, even if it hangs for 10 minutes.