Foxconn MARS Specifications

Foxconn MARS P35
Market SegmentMid-Range Enthusiast - $199.99 (estimated MSRP)
CPU Interface Socket T (Socket 775)
CPU Support LGA775-based Core 2 Duo, Core 2 Extreme, or Core 2 Quad recommended
Chipset Intel P35 (MCH) Northbridge and ICH9R Southbridge
Front Side Bus Speeds Auto, 100 ~ 999 in 1MHz increments
Memory Speed DDR2 Auto, Six Ratios
PCIe Speeds 100MHz - 255MHz
PCI Speeds Synch, 33.33MHz, 37.3MHz, 42.0MHz
Core Voltage Auto, 0.8250V to 1.6000V in .0125V increments
Core Voltage Multiplier 1.00 ~ 1.296, results in 2.0736V CPU Core Max
CPU Clock Multiplier 6x ~ 11x, downward adjustable for Core 2, upward to 50 for Extreme
DRAM Voltage DDR2 Auto, 1.665V ~ 3.365V in various increments
DRAM Timing Control SPD, Manual - 14 DRAM Timing Options
DRAM Command Rate Auto, 1N, 2N
NB Voltage Auto, 1.156V ~ 2.395V in various increments
SB Voltage Auto, 1.388V ~ 1.950V in various increments
Memory Slots Four 240-pin DDR2 DIMM Slots
Dual-Channel Configuration
Regular Unbuffered DDR3 Memory to 8GB Total
Expansion Slots 2 - PCIe x16 (1 - x16, 1 - x4 electrical)
2 - PCIe x1
3 - PCI Slot 2.2
Onboard SATA/RAID 6 SATA 3Gbps Ports - ICH9R
(RAID 0,1, 10, 5)
1 eSATA 3Gbps Port - JMicron JMB361
Onboard IDE 1 ATA133/100/66 Port (2 drives) - JMicron JMB361
Onboard USB 2.0/IEEE-1394 12 USB 2.0 Ports - 6 I/O Panel - 6 via Headers
2 Firewire 400 Ports by TI TSB43AB22A - 1 I/O Panel, 1 via Header
Onboard LAN Realtek RTL8111B - PCIe Gigabit Ethernet contoller
Onboard Audio Realtek ALC888 - 8-channel HD audio codec
Power Connectors ATX 24-pin, 8-pin ATX 12V, 4-pin 12V
I/O Panel 1 x PS/2 Keyboard
1 x PS/2 Mouse
1 x eSATA
2 x SPDIF - Optical Out, Coaxial Out
1 x IEEE 1394
1 x Audio Panel
1 x RJ45
6 x USB 2.0/1.1
Fan Headers 5 - (1) CPU, (4) Chassis
Fan Control CPU and Chassis Fan Control via BIOS, monitoring/control via Aegis
Auto Overclocking 5% ~ 75%, in 5% increments
BIOS Revision P03
Board Revision v1.00

The Foxconn MARS is designed with an enthusiast user in mind with an emphasis on BIOS features for those interested in overclocking the system. Foxconn provides the standard laundry list of board options such as the JMicron JMB361 chipset for eSATA and IDE support, IEEE 1394 support from TI, decent onboard audio support from the Realtek ALC888, 12 USB ports, Intel Matrix RAID, and Gigabit LAN support from the ubiquitous Realtek RTL8111B.

The board offers a very good mix of expansion slots although utilizing a CrossFire setup will create the physical loss of a PCI Express x1 and PCI 2.2 slot. The third PCI Express x16 slot operates at x4 electrically and can be utilized for various other PCI Express cards including RAID controllers or a second video card. However, note that the use of CrossFire in this system will negate the use of the two PCI Express x1 slots, both physically and electrically.

Board Layout and Features BIOS Overview and Software Features
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  • Tujan - Tuesday, October 2, 2007 - link

    You used a 1000Watt PSU on this review. Do you think that it would be possible to post the load,and non-loaded power stats for these boards.?

    My thinking is that a person could get by with 600 watts w/o a overclocker profile. Yet I do not know. The PSU suppliers are making larger,and larger power supplies. Yet (at least for me) I do not see that my peripheral count is actually going to be larger. And w/o overclocking the CPUs actually do not require higher wattage values.As a specification at retail.

    [ ]Could a person get by on the set with this review on only changing the PSU to 600,or 750 Max PSU ?

    And what is the boards load values ? Wich boards are better.Seems that with the several layer curcuit boards the power requirement would be less,not more .[though I know the video cards are really eating the power up-they have their limit'].

    Thanks good article.Nice board Foxcon.
  • mostlyprudent - Monday, September 24, 2007 - link

    I always enjoy motherboard reviews, BUT did I miss the long awaited P35 roundup? If it's still in the works, why the single board review?
  • Etern205 - Sunday, September 23, 2007 - link

    In your test setup it says you guys used 2x2048 Corsair ram
    modules which equals to 4GB, but in those cpu-z screen shots
    it only show 2GB instead of 4. Is that right? Shouldn't it show
    4GB instead of 2?

    And the images do now work when users try to enlarge them.
    All I get is a server error.

    Thank you.
  • wwswimming - Sunday, September 23, 2007 - link

    Foxconn has a boatload of experience manufacturing
    motherboards. up till now i've thought of them
    partially in terms of their "cheap specials at
    Fry's", kind of like ECS, where they sell the
    board-CPU combo for the price of the CPU.

    BUT i learned something new, 8 x 435 was it, 3.2
    + .24 + .040, (is my math right ?), 3.48 GHz for
    the Q6600.

    that plus the clean layout ... i like the
    North Bridge South Bridge heat sink design.
    plain old aluminum heat sinks work real well
    if you get enough inlet air to them, which is
    not hard to do. one heat pipe. not over-designed.
  • Lord Evermore - Sunday, September 23, 2007 - link

    No mainboard costing 200 dollars can be called "budget". Under 75 is budget level. I hate having to even go to 125 to get a full-featured board instead of the exact same board costing 30 less but which is missing one crucial feature. Over 150, I want ALL the trimmings, and none of that "disables the x1 slots if you use Crossfire" crap. WTF is that?

    Mainboards are too damned expensive these days.
  • emilyek - Saturday, September 22, 2007 - link

    Before this review, I had a pretty good idea where this board would fall in terms of performance. I've seen FOXCONN products here and elsewhere before.

    It made me want to ask: "Why are some motherboards better performers than others?" I mean, they use the same chipsets, right?

    What, specifically, is the reason that one company consistently falls a few paces behind others? It is board layout? Type of components used?

    Someone enlighten me.
  • JarredWalton - Saturday, September 22, 2007 - link

    Board layout can impact things a bit, but mostly it's the BIOS and tuning - or lack thereof.
  • lopri - Saturday, September 22, 2007 - link

    I noticed for this review that 2GB DIMMs were employed for total 4GB system memory, and there was no mention of overclocking/stability when all 4 DIMM slots were filled. I do not know whether the compared boards from other vendors were also equipped with 2x2GB DIMMs, but it does raise a few questions.

    1. From my experience (which means it may not be generalized), when memory capacity isn't a factor, 2GB sticks tend to show better performance than 1GB sticks if same number of slots are occupied. (all others being equal) I don't have an exact understanding on this but if this is indeed a case and other boards were tested with 4x1GB configuration, the performance results (especially synthetic ones) could be kinda skewed?

    2. Was the board able to maintain the same overclock/stability when all 4 slots were occupied? Again, from my experience Intel desktop MCHs (or maybe it's the boards/BIOSes) left quite a bit to be desired. I would like a little more detailed comments on this front.

    Excellent review as always. Thanks.
  • lopri - Saturday, September 22, 2007 - link

    Oh and also there is the factor of interleaving when comparing 2 slots vs 4 slots. I do not know how much but I would think it matters when the performance varies by like 1% among different boards.
  • yyrkoon - Saturday, September 22, 2007 - link

    I see they also implemented the Northbridge<->PWM section cooling with heatpipes. Recipe for hot PWM with an Overclocked 4 core CPU . . . and what the hell is up with all these hokey heatsink designs these companies are comming up with ? The BIOS monitoring application looks like something you would see on a 5 year olds lunch box as well.

    I would be more impressed if these companies would work on something functional, and quite this 'bling bling' look that makes their products look tacky. The ethernet performance is fairly impressive, but for this cost, with the stupid looking application/hokey heatsinks, and the fact that they cannot seem to get it into their heads that putting the PWM section, and the northbridge on the same heatpipe loop is not a good thing, I would not even consider this board.

    Another gripe is the JM eSATA port. IF they *need* to include an eSATA port, why not put in something that can actually fully supports FIS Port multiplier technology ?

    Anyhow, aside from the GbE performance, I think this board is a loser . . .

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