Motherboard Specifications, PTGV-DM (Onyx2)
Motherboard specifications table
|Part / Feature||Specification / Support|
|Front-side bus (FSB)|
|Onboard audio or audio card||Realtek ALC880 8-channel High Definition Audio CODEC|
|Back panel I/O|
NOTE:Motherboard specifications are subject to change without notice.
Motherboard layout and photos
Figure 3: Backplate
1 - PS/2 mouse port (green). This port is for a PS/2 mouse.
2 - IEEE 1394a port. This 6-pin IEEE 1394a port provides high-speed connectivity for audio/video devices, storage peripherals, PCs, or portable devices.
3 - LAN (RJ-45) port. This port allows connection to a Local Area Network (LAN) through a network hub.
4 - Side Speaker Out port (gray). This port connects to the side speakers in an 8-channel audio configuration.
5 - Rear Speaker Out port (black). This port connects to the rear speakers on a 4-channel, 6-channel, or 8-channel audio configuration.
6 - Center/Subwoofer port (yellow orange). This port connects the center/subwoofer speakers.
7 - Line In port (light blue). This port connects a tape, CD, DVD player or other audio sources.
8 - Line Out port (lime). This port connects a headphone or a speaker. In 4-channel, 6-channel, and 8-channel mode, the function of this port becomes Front Speaker Out.
9 - Microphone port (pink). This port connects a microphone.
10 - USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.
11 - USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.
12 - Video Graphics Adapter port. This 15-pin port is for a VGA monitor or other VGA-compatible devices.
13 - Coaxial SPDIF Out port. This port connects an external audio output device via a coaxial SPDIF cable.
14 - PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
Clearing BIOS settings
Resetting BIOS settings are done by moving a jumper onto a pair of pins on the motherboard. Use this section to clear settings for the CMOS RAM (sometimes referred to as Real Time Clock or RTC) or the BIOS password.
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.
- Disable password checking.
To clear CMOS, follow these steps:
Clearing BIOS password
This motherboard has a jumper to disable password checking.
To clear the BIOS password follow these steps: