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Motherboard Specifications, PTGV-DM (Onyx2)

Motherboard specifications table
Part / Feature
Specification / Support
Motherboard description
  • Motherboard manufacturer's name: ASUS PTGV-DM
  • HP/Compaq name: Onyx2-GL8E
CPU/Processor
  • Socket: 479
  • Supports the following processors:
    • Pentium M (Mobile)
    • Celeron M (Mobile)
Front-side bus (FSB)
  • 400/533 MHz
Chipset
  • Northbridge: i915GV
  • Southbridge: ICH6
BIOS features
  • AMI 4Mb FWH EEPROM
  • HP BIOS with enhanced ACPI, DMI, Green, and PnP Features Plus
Form factor
  • ATX form factor, 6.69 in x 6.69 in
Memory
  • 2 x 240-pin DDR2 DIMM socket for up to 2 GB non-ECC DDR2 533/400 SDRAM
  • Maximum HP/Compaq approved memory is 2 GB
Expansion slots
  • One PCI
Video graphics
  • Integrated
Serial ATA
  • 2 SATA connectors
  • Each connector supports 1 serial ATA-150 disk drive
Onboard audio or audio card
Realtek ALC880 8-channel High Definition Audio CODEC
Onboard LAN
  • Intel 82562GT
  • 10/100 Mbps
Back panel I/O
  • PS/2 keyboard port (purple)
  • PS/2 mouse port (green)
  • One VGA (monitor) port
  • Four USB (2.0) ports
  • One IEEE 1394a port
  • One RJ-45 networking port
  • One SPDIF out port
  • Audio ports:
    • line in (light blue)
    • line out (lime)
    • microphone (pink)
    • side speaker out (gray)
    • rear speaker out (black)
    • center/subwoofer (yellow orange)
Internal connectors
  • One 24-pin ATX "Micro-Fit" power connector
  • One IDE connector
  • Two SATA connectors
  • One CPU fan connector
  • One PC fan connector
  • One PC indicator LEDs / power switch / reset button connector
  • Front panel power and LED connectors
  • Two USB 2.0 connectors ports
 note:
Motherboard specifications are subject to change without notice.
Motherboard layout and photos
Figure : layout
Figure : Photograph
    Figure : 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:
  1. Clear the Real Time Clock (RTC) RAM in CMOS.
  2. Disable password checking.
Figure : Jumper locations
Clearing CMOS
To clear CMOS, follow these steps:
  1. Set jumper CLRTC1 to pins 1-2.
     warning:
    Do NOT start the system with this jumper set to pins 1-2.
  2. Wait 10 seconds and then return the jumper to pins 2-3.
  3. You may now restart the PC.
Clearing BIOS password
This motherboard has a jumper to disable password checking.
To clear the BIOS password follow these steps:
  1. To disable BIOS password checking, move the jumper CLPWD1 to pins 1 and 2.
  2. You may now start the computer, enter BIOS setup, and change or erase the password.
  3. To enable BIOS password checking, replace the jumper on pins 2-3.

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