iXBT Labs - Computer Hardware in Detail






Abit BG7 (i845G) Mainboard

The company didn't stay aside from the World Football Championship and released a board in a special "football" package. But there are no stuff inside matching its new design (only some sets can contain an inflatable ball, but it's very seldom). 


  • Package of a football design; 
  • Documentation: user manual in English; 
  • Cables: 1 ATA66/100/133 and FDD; 
  • Bracket with 2 USB ports, Rear, Center/Sub and SPDIF-In/Out of the TosLink type; 


  • Bracket for the rear panel; 
  • CD containing: 
    • drivers; 
    • user manual in PDF; 
    • Hardware Doctor (system monitoring utility); 
    • Adobe Acrobat Reader; 
    • 3Deep; 
    • BuzzSoft software; 
    • Norton Antivirus 2002; 
    • DirectX 8.1. 

The layout is not brilliant: FDD and audio-ins are not in very good positions, and when a video card is installed it's difficult to handle the IDE modules. It can be difficult as well to reach a jumper when the board is already installed. Its function is shown on the textolite.

The 3-channel switching voltage regulator incorporates 6 capacitors of 3300 uF and 3 of 1200 uF. 

The following controllers are integrated: 

  • audio controller based on the ALC650 AC'97 codec supporting 5.1 audio systems and having a connector for front audio inputs/outputs; 
  • network controller based on the Realtek RTL8100B chip supporting 10BaseT/100BaseTX. 
The board has reset and power buttons. 

Non-unsoldered connectors: none. 

The system monitoring is supported by the Winbond W83627HF-AW chip. What is controlled:

  • voltage of processor, AGP bus, memory, +1.25, +3.3, +5 and +12 V, VBAT and +5 V Standby; 
  • speed of 3 fans; 
  • temperatures of the processor (a built-in sensor), the board (a built-in sensor) and an external sensor connected to the board. 
There are 2 connectors for adjustable and 1 for unadjustable connection of fans. 

Brief characteristics of the board: memory slots - 3 DDR SDRAM; expansion slots - AGP/ 5 PCI; I/O ports - 2 COM/ LPT/ 2 PS/2/ 6 USB 2.0; dimensions - 305x225 mm. 

Adjustment can be carried out with:

jumpers and switches Jumper to clear up the CMOS  
BIOS based on the 6.00PG version from Phoenix Setup of memory timings + CAS Latency, Active To Precharge Delay, RAS to CAS Delay, RAS Precharge
Setup of memory frequency + Auto, DDR200, DDR266, DDR333
Setup of AGP bus +  
Setup of PCI bus -  
Changeable scaler of AGP and PCI buses + PCI (AGP/2) = 33, 37, 44 MHz, FSB/3, FSB/4
Manual assignment of interrupts +  
Changeable FSB frequency + 100-250 MHz in 1MHz steps
Changeable CPU multiplier + x8-x24
Changeable core voltage + +5%, +10%, +15%
Changeable memory voltage + 2.5, 2.6, 2.7, 2.8 V
Changeable chipset voltage -  
Changeable AGP bus voltage -  

We used the latest available version of the BIOS - BIOS 8R. 

The board is not bad, but it has nothing distinguishing as compared with other i845G based boards. 

Test results: 


Dmitry Mayorov (destrax@ixbt.com)
Sergei Pikalov (peek@ixbt.com)

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