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Motherboard Specifications, PTGD1-LA (Puffer)

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Motherboard specifications table

Part / FeatureSpecification / Support
Motherboard descriptionMotherboard: ASUS PTGD1-LA

HP/Compaq name: Puffer-UL8E
CPU/ProcessorSocket LGA775

Supports Intel Pentium 4 processor up to 3.6 GHz

Supports Intel Pentium 4 HT processors
Front-side bus (FSB)800 MHz
ChipsetNorthbridge Intel i915P graphics controller hub (GMCH

Southbridge Intel ICH6
BIOS features4Mb FWH EEPROM

HP BIOS with enhanced ACPI, PnP, DMI, Green features
Form factorMicro-ATX form factor

9.6 x 9.6 inches (24.5 x 24.5 cm)
MemoryFour 184-pin DDR DIMM sockets

Supports PC3200 (400 MHz) /PC2700 (333 MHz) / PC2100 (266 MHz) DDR DIMM type

Maximum HP/Compaq approved memory module is 1 GB

Maximum HP/Compaq approved memory is 4 GB
Expansion slotsOne PCI Express x16 graphics PEG slot

Three PCI slots

One PCI expansion slot (select models only)

No AGP slot
Video graphicsIntegrated
Serial ATATwo serial ATA (SATA) connectors, each supporting two ports

Hot swap function
Onboard audioRealtek ALC880 8-channel High Definition Audio CODEC
Onboard LANRealtek RTL8101L LAN PHY (Physical Layer Protocol)

10/100 Mbps Fast Ethernet controller
Back panel I/OOne parallel port (ECP, EPP)

One video (VGA) port

One PS/2 keyboard

One PS/2 mouse port

One RJ-45 Fast Ethernet LAN port

One IEEE 1394 port

Two USB connectors supporting up to four USB 2.0 ports with hot-plug function

Six audio ports support up to 8 audio channels:
  • Side speaker out
  • Rear speaker out
  • Center/subwoofer
  • Line in
  • Line out
  • Microphone
Front panel I/0Two USB connectors supporting four additional USB 2.0 ports on the front panel

Front panel microphone input connector

Front panel headphone output connector

Front panel IEEE 1394 connector supporting one 1394 port
Other onboard connectorsFront panel power and LED connectors

ATX +12 volt power connector

CPU fan connector

System fan connector

Jumper to clear CMOS

Optical drive audio connector

Auxiliary audio connectors
NOTE:Motherboard specifications are subject to change without notice.

Motherboard layout and photos

Figure 1: Layout
Figure 2: Photograph shown with a PCI extender board (available on select models only)
Figure 3: backplate
  1. PS/2 mouse port
  2. Parallel port
  3. IEEE 1394 port
  4. RJ-45 port
  5. Side speaker out (gray) port (connects to the side speakers in an 8-channel audio configuration)
  6. Rear speaker out (black) port (connects to the rear speakers on a 4-channel audio configuration)
  7. Center/Subwoofer (yellow orange) port (connects to the center/subwoofer speakers)
  8. Line in (light blue) port (connects a tape player or other audio sources)
  9. Line out (lime) port (connects to a headphone or a speaker. In 4-channel, 6-channel, and 8-channel mode, the function of this port becomes front speaker out)
  10. Microphone port
  11. USB 2.0 ports three and four
  12. USB 2.0 ports one and two
  13. S/PDIF Out port
  14. S/PDIF In port
  15. PS/2 keyboard port

Clearing the CMOS settings

CAUTION: Do not change any jumper setting while the computer is on. Damage to the motherboard can result.
Clear RTC RAM (3-pin CLRTC)
This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which includes system setup information.
  1. Turn off the PC and unplug the power cord.
  2. Move the CLRTC jumper cap from pins 1-2 (Normal) to pins 2-3 (Clear CMOS). Keep the cap on pins 2-3 for about 10 seconds, then move the cap back to pins 1-2.
  3. Plug the power cord and turn on the PC.
CAUTION:Except when clearing the RTC RAM, never remove the cap from the default position. Removing the cap causes system boot failure!
1 - Normal (default)
2 - Clear CMOS

Clearing the BIOS password

The BIOS password protects the BIOS from undesired changes. If password checking is enabled, and you need to disable it, use the following steps:
CAUTION: Do not change any jumper setting while the computer is on. Damage to the motherboard can result.
  1. Turn off the PC and unplug the power cord.
  2. Move the CLPWD jumper cap from pins 2-3 (Normal) to pins 1-2. Keep the cap on pins 1-2 for about 10 seconds, then move the cap back to pins 2-3.
  3. Plug the power cord and turn on the PC.
CAUTION:Except when clearing the RTC RAM, never remove the cap from the default position. Removing the cap causes system boot failure!