iXBT Labs - Computer Hardware in Detail






Chaintech 9EJL0 (i845E) Mainboard

The board has a layout similar to that on the 9EJL1 model, but its accessory pack is more scanty and price is lower, - that is why this is an inexpensive working horse. 


  • Package of a standard design; 
  • Documentation: user manual in English; 
  • Cables: 2 ATA66/100/133 and FDD; 
  • 2 CDs containing: 
    • drivers; 
    • user manual in PDF; 
    • Adobe Acrobat Reader; 
    • Adobe Active Share; 
    • Norton Antivirus 2002; 
    • Appio; 
    • AutoSave; 
    • EWalla; 
    • ImageMore; 
    • Xstop. 

The layout is quite handy, though some traditional flaws are still there: audio-ins are located in front of the PCI and AGP slots and the FDD is behind them. It's not difficult to reach jumpers when the board is already installed. Their functions are shown on the textolite.

The 3-channel switching voltage regulator incorporates 9 capacitors of 2200 uF and 3 of 1200 uF. 

The following controllers are integrated: 

  • audio controller based on the C-Media CMI8738/PCI-6ch-LX chip with a connector for front audio inputs/outputs, an SPDIF connector and the support for 5.1 audio systems; 
  • network controller based on the Realtek RTL8100B supporting 10Base-T/100Base-TX. 
The ITE IT8712F-A I/O controller supports a smart card reader (the connector is provided). 

Non-unsoldered connectors: AUX Power connector and AC'97 codec. 

The system monitoring is supported by the ITE IT8712F-A chip. What is controlled: 

  • processor voltage, +1.5, +3.3, +-5 and +-12 V, VBAT, +5 V Standby; 
  • speed of 2 fans; 
  • temperatures of the processor (a built-in sensor), and the board (a built-in sensor).
There are 2 connectors for adjustable connection of fans.

Brief characteristics of the board: memory slots - 2 DDR SDRAM; expansion slots - AGP/ 6 PCI/ CNR; I/O ports - 2 COM/ LPT/ 2 PS/2/ 6 USB 2.0; dimensions - 305x230 mm.

Adjustment can be carried out with: 

jumpers and switchesJumper to clear up the CMOS 
Jumper for starting up computer from a PS/2 keyboard 
Jumpers for starting up computer from USB keyboard 
Jumper for enabling/disabling audio controller 
Jumper for enabling/disabling network controller 
BIOS based on the 6.00PG from Phoenix-AwardSetup of memory timings+CAS Latency, Active to Precharge Delay, RAS to CAS Delay, RAS Precharge
Setup of memory frequency+Auto, DDR200, DDR266
Setup of AGP bus- 
Setup of PCI bus- 
Changeable scaler of AGP and PCI buses+Auto, 66 MHz
Manual assignment of interrupts+ 
Changeable FSB frequency+100 - 255 MHz in 1MHz steps
Changeable CPU multiplier+x8 - x50
Changeable core voltage- 
Changeable memory voltage- 
Changeable chipset voltage- 
Changeable AGP bus voltage- 

We used the latest available version of the BIOS of 29/04/2002. 

The speed is not very high, its functions, settings and accessories are quite average as well, that is why it looks a usual working horse at a quite attractive price. 

Test results: 

Dmitry Mayorov (destrax@ixbt.com

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