Intel D875PBZ - Page 6

..:: D875PBZ “Bonanza” Layout: Southbridge & Memory Areas ::..

The bottom right hand corner of the D875PBZ is one of the more cluttered areas of the motherboard, although it is still organized in its layout. The first two items that we come across in this area are the system battery and the system buzzer. There are several solder points throughout this area of the board for what appears to be possible header additions, a diagnostic LED and a few other items along those lines. Above the system buzzer, we first come across the white front panel connection header. This is the header where you will be connecting your various LED’s, Reset Switch, and Power Switch. The next item we come across is for an additional USB 2.0 bracket, that being the small black header.

As we move up the board, we next come across the two pin chassis intrusion header. If you want to rig your system up so that you are notified when anyone enters your case, then this is a feature you’ll certainly want to take advantage of. Located directly above this chassis intrusion header, we come across both of the Serial ATA connectors, along with the ICH5 Southbridge chip itself. To the right of these SATA connectors is the system BIOS chip, and the blue BIOS configuration jumper. This jumper is only of major concern if you plan on adjusting options that are not available to you normally, albeit only one or two items. The last two items in this area are a two-pin SCSI LED header, and the last three-pin power connector for the front system fan.

The area around the four DIMM’s is, once again, very well organized. The two main IDE connectors are placed high on the board, as is the floppy connector. The black IDE connector is the primary, while the white connector is the secondary. The main ATX power connector is located in an ideal position and will aid in the proper airflow of the system by not being in the way. As we can see, there are two pairs of DIMM’s, each running on their own memory controller. In order to run in dual channel mode, you must place matching RAM in either DIMM0 or DIMM1 of both pairs. Lastly, we have the NSC PC87372 LPC Super I/O chip in the far upper right corner of the PCB.

Overall, the Intel D875PBZ sports one of the cleanest designs that I have come across. I can’t really think of any major, or even minor, issues that I have with the design of the motherboard. All of the main items on the PCB are placed well, and are all in easily accessible positions. As I stated previously, the one thing that really makes this unit stand out, besides the attractive black PCB, would have to be the behemoth heatsink for the 82875P. This heatsink sports nearly twice the surface area of your typical 845PE heatsink! This is the second board that we have seen from Intel that is sporting a great design, and we look forward to seeing if this is a common trend in their high end motherboard designs. Now that we’ve seen the design, let’s see what the BIOS offers up.



 
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