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HP and Compaq Desktop PCs - Motherboard Specifications, M2N68-LA (Narra5)
Figure 1: The M2N68-LA (Narra5) motherboard
Front-side bus speed
Processor upgrade information
Memory upgrade information
*32-bit operating systems cannot address a full 4.0 GB of memory.
Integrated graphics using nVidia GeForce 6150SE
*Integrated video is not available if a graphics card is installed.
NOTE: *Either integrated graphics or the PCI Express x16 slot are usable at one time; they are not usable concurrently.
Integrated Realtek ALC888S Audio
*Integrated audio is not available if a sound card is installed.
Back I/O ports
Figure 2: Back I/O panel
1 - PS/2 mouse port (green)
2 - PS/2 keyboard port (purple)
3 - Video Graphics Adapter port
4 - USB 2.0 ports 4
5 - RJ45 Network (LAN)
6 - Line In port (light blue)
7 - Line Out port (lime)
8 - Microphone port (pink)
Figure 3: layout
Clearing the BIOS settings
CAUTION: Do not change any jumper setting while the computer is on. Damage to the motherboard can result.
This motherboard has jumpers to clear the Real Time Clock (RTC) RAM in CMOS.
To clear CMOS, follow these steps:
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: