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Gigabyte 8KNXP Ultra (i875P) Mainboard



This is the most expensive board on this chipset, and one more example of a High-End solution sporting perfect functionality and pretty good performance. 

Accessories: 

  • Package of a new design laminated with plastic with a holographic effect; 
  • Documentation: user manual, installation manual for IDE RAID, installation manual for SCSI RAID, poster with brief installation steps - all in English; 
  • Cables: FDD, SCSI for 5 devices, 2 SATA, 3 ATA66/100/133; 
  • 2 brackets with 2 USB ports each; 
  • Bracket with Rear, Center/Sub and S/PDIF-Out (Coaxial and TosLink); 
  • DPS2 module; 




  • Blank bracket; 
  • CD with: 
    • drivers; 
    • DirectX 9.0; 
    • Adobe Acrobat Reader; 
    • Norton Internet Security 2003; 
    • Gigabyte @BIOS; 
    • Gigabyte DMIView; 
    • Gigabyte EasyTune4; 
    • Gigabyte FaceWizard; 
    • Gigabyte Windows Utility Manager; 
    • Gigabyte IA Panel Utility. 

In spite of a great number of integrated components, the layout is well arranged, though it was impossible to avoid placing all of three RAID (IDE, SATA and SCSI) behind the PCI slots, and 6 memory slots left almost no space around, that is why it can be difficult handle the memory. Besides, the audio-ins are in front of the PCI. It's also uneasy to reach the only jumper when the board is already installed. Its functions are shown on the textolite. 

The 3-channel switching voltage regulator incorporates 4 capacitors of 3300 uF and several less capacious ones. With the external DPS2 module used, the processor gets a 6-channel voltage regulator of 6 capacitors of 3300 uF and several less capacious ones. Also, there are voltage regulators for the AGP bus (1 1000 uF) and memory bus (8 of 1000 uF).

Integrated controllers: 

  • audio controller based on the chipset and Analog Devices AD1985 AC'97 codec; 5.1 audio system supported, front audio inputs/outputs and SPDIF connectors provided 
  • network controller based on Intel 82547EI (Kenai II CSA) chip supporting 10BaseT/100BaseTX/1000BaseT (Gigabit Ethernet); 
  • IDE RAID controller based on the ITE IT8212F chip supporting RAID 0, 1 and 0+1 on the ATA133 protocol; 




  • SCSI RAID controller based on the Adaptec AIC-7902W chip supporting RAID 0 and 1 on the Ultra320 protocol. 




Technologies: 

  • DualBIOS (Flash EEPROM backup chip with the BIOS copy); 
  • DPS2 (external VRM module ensuring more stable operation of the processor). 

If a video card not supporting +1.5 V is inserted the respective LED will warn you about it. Another LED let you know whether voltage is supplied to the memory modules. 

Non-unsoldered connectors: none. 

System monitoring is supported by ITE IT8712F-A chip. It controls: 

  • processor voltage, +3.3, +5 and +12 V; 
  • speed of 3 fans; 
  • temperatures of the processor (built-in sensor) and the board (built-in sensor).  

There are 2 connectors for adjustable and 2 for unadjustable connection of fans (one of them is connected to a fan on the north bridge's heatsink). 

Brief board's characteristics: memory slots - 6 DDR SDRAM; expansion slots - AGP Pro/ 5 PCI; I/O ports - 2 COM/ LPT/ 2 PS/2/ 8 USB 2.0; dimensions - 305x245 mm. 
 




Settings: 
 

jumpers and switches Jumper to reset the BIOS password  
BIOS based on Award v6.00PG Setup of memory timings + CAS Latency, RAS to CAS Delay, RAS Precharge, Active to Precharge Delay
Setup of memory frequency + DRAM/CPU = Auto, 4/3, 5/3, 2
Setup of AGP bus -  
Setup of PCI bus -  
Changeable scaler of AGP and PCI buses + AGP(PCIx2) = 66-96 MHz in 1MHz steps
Manual assignment of interrupts +  
Changeable FSB frequency + 100-355 MHz in 1MHz steps
Changeable CPU multiplier + x8-x50
Changeable core voltage + Normal, 0.8375-1.85 V in 0.0125V steps
Changeable memory voltage + Normal, +0.1, +0.2, +0.3 V
Changeable chipset voltage -  
Changeable AGP bus voltage + Normal, +0.1, +0.2, +0.3 V

We used the F5 and M8 BIOS versions.

I hope the new BIOS version will boost its performance, and then we will have nothing to find fault with. However, even now I can recommend this board for those who need a rich and even unique functionality. It's not a king of overclocking, though you may use its richest overclocking settings to get better scores. 

Test results: 


 

Dmitry Mayorov (destrax@ixbt.com


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