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Chapter 1 
Introduction of  NF18GF  Motherboard 
1-1   Feature of motherboard 
The NF18GF motherboard is design for use AMD Athlon/Duron/Athlon XP 200MHz/ 
266MHz/333MHz (Double Data Rate) Front Side Bus Frequency CPU, which utilize the 
Socket-A design. 
NF18GF motherboard use the newest nVIDIA nForce2 IGP north bridge chipset, integrated 
GeForce4 MX series Graphics Processing Unit and TV encoder. Support DDR 266/333 
with internal graphic core.  NF18GF whose 266MHz/333MHz (Double Data Rate) Front 
Side Bus frequency and 333MHz memory interface delivers a clear upgrade path to the 
future generation of 266MHz/333MHz processors and DDR266/DDR333 DDR SDRAM. 
The motherboard provided two 184-pin DDR DIMMs support PC2700/PC2100 DDR 
SDRAMs maximum size up to 2GB.  Supports both 64-bit and 128-bit (Dual Channel) DDR 
SDRAM. For those wanting even greater graphic performance, an AGP 4X/8X slot is 
included on the board. Compliant with AGP 3.0 8x interface at 533MHz.  
The NF18GF motherboard use nVIDIA nForce2 MCP2-T south bridge offers ULTRA ATA 
66/100/133 to provide speedier HDD throughout that boosts overall system performance. 
These motherboards also have an  Audio Processing Unit Support 6-channel speaker for full 
surround sound effects. The motherboard provided SPDIF-In/ SPDIF-Out optical function 
through Audio-bracket (optional) can connect to SPDIF (Sony & Philips Digital Interface) 
Speaker for audio transmission with better quality.  Or use SPDIF-In received digital signal 
from other SPDIF device. 
The motherboard including PCI LAN Controller chip support 10/100 Mb/sec Base transfer 
rate for network. The  NF18GF  including the 1394 PCI controller provided 100M/200M/ 
400Mb bandwidth support two 1394 device port, which compliant with IEEE 1394A-2000 
standard. With USB control as well as capability of expanding to 6 USB function ports 
support USB2.0/USB1.1 Devices, the  NF18GF  meet future USB demand. 
A special design in hardware for protecting Athlon XP CPU from burned, the system will 
auto shutdown power supply when CPU is overheat, or the CPU FAN is stop. The 
motherboard has built-in hardware monitor function.  This will monitor and protect your 
computer.  
In  NF18GF we design in CPU Vcore Voltage, DDR memory 2.5V Voltage, AGP 1.5V 
Voltage those can minor adjustable in BIOS setup. This design can let users approach 
over clock demand and also can make system more stable
. The  NF18GF   motherboard 
provides special function in BIOS Setup to setting CPU Host clock let users to approach 
over clocking, and special design in hardware to protect BIOS from virus crash BIOS data.  
 NF18GF provides high performance & meets future specification demand.  It is really wise 
choice for your computer.