ASUS P5B-E: Board Layout and Features

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After viewing the Abit AB9-Pro, the layout on the ASUS seems almost mundane. However, we have no real complaints about the layout except for the location of the IDE port and 24-pin ATX power connector. We feel like the IDE port connector should have been placed next to the floppy drive connector or replaced it. It would have been nice to have the 24-pin ATX connector located further to the right behind the memory slots. The motherboard was very easy to install and remove from our case. The four fan headers were within easy reach and can be controlled by the Q-Fan utility. The P5B-E replaces the P5B model. We tested both the 1.01G and 1.02G revision level boards and they are identical except for the BIOS changes and a PLL controller. Both boards feature an excellent three-phase voltage regulator power design along with high quality capacitors that yielded exceptional stability.


The DIMM module slots' color coordination is correct for dual channel setup based upon the premise of installing DIMMs in the same colored slots for dual-channel operation. The memory modules are slightly difficult to install with a full size video card placed in the PCI Express x16 slot. The 24-pin ATX power connector is located along the edge of the board along with a series of capacitors for the memory modules. We would have moved the 24-pin ATX connector to the upper right corner of the board to allow for easier access to the memory modules and CPU area in our case. It would also help to facilitate installation of PSUs with cables that are not longer than normal.


The four primary Intel ICH8R SATA ports are red along with the two secondary ports being black. These ports are conveniently located to the left of the ICH8R Southbridge and right of the battery and IDE port connector. We found the positioning of the SATA ports to be excellent when utilizing either the PCI-E x1 or PCI 2.3 slots. The ICH8R is passively cooled with a low rise heatsink and remained cool to the touch throughout testing.

The black floppy drive connector is located on the edge of the board and should have been switched with IDE port connector, as IDE cables are used far more than floppy cables these days. This switch would have eased installation of the IDE cable when using both the IDE and SATA ports. The clear CMOS jumper is color coded blue and is located in between the floppy drive connector and ICH8R chipset. This jumper was very difficult to use when utilizing a double slot video card. The chassis panel is located at the far left corner of the board.


The board comes with (1) physical PCI Express x16 connector, (3) PCI Express x1 connectors, and (3) PCI 2.3 connectors. The layout of this design offers an excellent balance of expansion slots and provides very good clearance for most of the slots. When utilizing a double slot video card the first PCI slot is physically blocked and cannot be used. However, this still leaves two open PCI slots for use and all three PCI Express x1 slots. The black JMicron SATA port is on the right edge of the board along with the Firewire, COM1, and USB headers.

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Returning to the CPU socket area, we find an ample amount of room for alternative cooling solutions that include most air and water cooling solutions. The Intel P965 MCH chipset is passively cooled with a mid-rise heatsink that did not interfere with any installed peripherals. This heatsinsk kept the MCH temperatures in check so that additional chipset voltage was not a factor in our overclocking tests. ASUS places the 4-pin ATX connector in the upper right section of the board and out of the way of the CPU area.


The rear panel contains the standard PS/2 mouse and keyboard, Parallel, LAN, and four USB 2.0 ports. The LAN (RJ-45) port has two LED indicators representing Activity and Speed of the connection through the Attansic L1 Gigabit PCI-E chipset. The audio panel consists of 6 ports that can be configured for 2, 4, 6, and 8-channel audio connections for the ADI 1988A HD codec. The panel also has two S/PDIF (optical out/coaxial out) ports, and an external SATA 3Gb/s port via the JMicron JMB383 chipset.

Asus P5B-E: Feature Set Asus P5B-E 1.01G: Overclocking
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  • JarredWalton - Saturday, October 21, 2006 - link

    Oh, trust me, Gary tested with a LOT of RAM types and manufacturers. However, for the *benchmarks* he settled on one specific set of DIMMs. I think he's trying to put together some information on how the various boards worked with other RAM (see above comment from Gary). Cheers!
  • stmok - Saturday, October 21, 2006 - link

    LOL...I think its more like: "What the hell were the Abit engineers thinking?!"



    Based on your experiences, do you know if the Analog Devices AD1988A HD Audio Codec works in Linux? I wouldn't mind going for the ASUS P5B-E at the end of the year.

    And finally, is the rev 1.02G mobo available now? Or in a few months time?
  • Gary Key - Saturday, October 21, 2006 - link

    quote:

    Based on your experiences, do you know if the Analog Devices AD1988A HD Audio Codec works in Linux? I wouldn't mind going for the ASUS P5B-E at the end of the year.


    The 1.09 ADI AD1988A drivers worked fine in SUSE 10.1. Realtek has better support at this time but ADI seems to be catching up. Believe it or not, but we booted every board with SUSE 10.1 just to make sure they went to the desktop. We might even do a once in a while look at Linux down the road.
  • xsilver - Saturday, October 21, 2006 - link

    what is the range of overclocking possible with pc6400 ram?
    without dividers? with dividers?
  • Gary Key - Saturday, October 21, 2006 - link

    Good question, depends on the PC2-6400 RAM. We are working on something right now to answer your question with a few different modules.
  • xsilver - Sunday, October 22, 2006 - link

    probably something standard like corsair VS or something priced very similar if there is better performance elsewhere
  • xsilver - Sunday, October 22, 2006 - link

    also I would assume that 1gig vs. 2gig makes no difference but if it does, it would be good to know.
  • Madellga - Saturday, October 21, 2006 - link

    Excellent review Gary. I also look forward for the round 2 and also for a 975/ATI/Nvidia reviews.

    Please try to mention the Vmch used for the overclocking results, as this says a lot about the motherboads also.
  • Gary Key - Saturday, October 21, 2006 - link

    I am setting up a overclocking settings table and will try to show some additional results with different memory types that we used in testing. I have no idea when this will be finished. ;-)
  • Ryan Norton - Saturday, October 21, 2006 - link

    This article is terrific-- now I just need to read the high-end part and I can finally put together a Core 2 Duo system.

    Will the DS4 be included in the high-end guide? I don't want a DQ-6 because the copper backplate under the processor socket would prevent installation of a Scythe Ninja heatsink.

    Are the AHCI issues going to stay the way they are, with needing to load the drivers from a floppy disk during Windows install, or are there any P965 boards that don't require "an engineering degree and a day off" as you guys said?

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