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HP and Compaq Desktop PCs - Motherboard Specifications, MCP61PM-HM (Nettle3)
Figure 1: The MCP61PM-HM (Nettle3) motherboard
Processor upgrade information
Socket type: AM2+
Motherboard supports the following processor upgrades:
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
Video
Integrated graphics using nVidia GeForce 6150SE
*Integrated video is not available if a graphics card is installed.
Audio
Integrated Realtek ALC888S Audio
*Integrated audio is not available if a sound card is installed.
Network
LAN: 10-Base-T
Interface: Integrated into motherboard
Technology: Realtek RTL8201N
Data transfer speeds: up to 10/100Mb/s
Transmission standards:10-Base-T Ethernet
Expansion Slots
One PCI Express x16
Two PCI Express x1
One PCI
I/O Ports
Back I/O ports
Figure 2: Back I/O panel
1 - PS/2 mouse (green)
2 - SPDIF coaxial out
3 - Video Graphics Adapter
4 - IEEE 1394 port
5 - RJ-45 Network (LAN)
6 - Audio: Center/Subwoofer (yellow orange)
7 - Audio: Rear Speaker Out (black)
8 - Audio: Line In (light blue)
9 - Audio: Line Out (lime)
10 - Audio: Microphone (pink)
11 - Audio: Side Speaker Out (gray)
12 - USB 2.0: 4
13 - PS/2 keyboard (purple)
Internal Connectors
One 24-pin ATX power connector
One 4-pin ATX power connector
One PATA connector
Four 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
One SPDIF digital audio output header
One front 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)
Four USB headers supporting 6 additional USB 2.0 ports or devices
One 1394a header
One Intel high-definition Audio/Modem Link (not used by HP)
One jumper for resetting BIOS settings
One jumper to disable BIOS password checking
Motherboard layout
Figure 3: layout
Clearing the BIOS settings
| CAUTION:
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Do not change any jumper setting while the computer is on. Damage to the motherboard can result.
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This motherboard has jumpers to clear the Real Time Clock (RTC) RAM in CMOS.
Clearing CMOS
To clear CMOS, follow these steps:
Temporarily set jumper CLR_CMOS to pins 2-3.
Wait 5-10 seconds and then return the jumper to pins 1-2.
When you startup the PC you will need to enter BIOS setup to reset any custom BIOS settings.
Clearing the BIOS password
The BIOS password is used to protect BIOS settings from unwanted changes. If you have forgotten your password you may disable password checking.
To erase the BIOS password follow these steps:
Turn OFF the computer and unplug the power cord.
Locate the jumper labeled CLR_PWD.
The jumper is found near the DIMM slots and SATA connectors.
Move the jumper on jumper CLR_PWD to pins 2-3.
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 1-2.
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