ASUS P5Q3 Deluxe (WiFi-AP@n) Specifications

ASUS P5Q3 Deluxe / WiFi-AP@n
Market Segment Mainstream Performance - $229.00 (MSRP)
CPU Interface Socket T (LGA775)
CPU Support Any LGA775-based CPU, Core 2 Duo, Core 2 Extreme, or Core 2 Quad recommended, including next-generation 45nm CPU support
Chipset Intel P45 Northbridge (MCH) with Fast Memory Access Technology and Intel ICH10R Southbridge
CPU Clock Multiplier 6x ~ 11x, downward adjustable for Core 2, upward to 31x for Core 2 Extreme, including half-multiplier support for 45nm processors
Front Side Bus Speeds Auto, 200 ~ 800 in 1MHz increments
System Bus Speeds 1600 / 1333 / 1066 / 800 MHz and 2000 / 1800 MHz (OC)
DDR3 Memory Ratios 1:1, 6:5, 5:4, 4:3, 3:2, 8:5, 5:3, and 2:1 (dependent upon strap selection)
FSB Strap Auto, 200, 266, 333 and 400
PCIe Speeds Auto, 100MHz ~ 180MHz
PCI Speeds Locked at 33.33MHz
DRAM Voltage Auto, 1.50V ~ 2.78V in 0.02V increments, 1.50V (DDR3) standard
DRAM CLK/CMD Skew CA/CB Auto, Manual (Advance/Delay 50ps ~ 350ps in 50ps increments)
DRAM Timing Control Auto, Manual - 20 DRAM Timing Options (tCL, tRCD, tRP, tRAS, tRFC and 15 other sub-timings)
DRAM Static Read Control Auto, Enabled, Disabled
DRAM Dynamic Write Control Auto, Enabled, Disabled
Ai Clock Twister Auto, Ligher, Light, Moderate, Strong, Stronger
Ai Transaction Booster Auto, Manual
Common Performance Level 1 ~ 31 (settings above 14 prevent POST)
CH A/B Phase Pull-In Based on Memory Divider, All Phases Adjustable (Enabled/Disabled)
CPU Voltage Auto, 1.10000 to 1.70000 in 0.00625V increments then to 2.1V w/OV jumper
CPU PLL Voltage Auto, 1.50 ~ 2.78v in 0.02V increments, 1.50V standard
FSB Termination Voltage (VTT) Auto, 1.20V to 1.50V in 0.02V increments, 1.20V (65nm CPU) or 1.10v (45nm CPU) standard
NorthBridge (NB) Voltage Auto, 1.25V ~ 1.91V in 0.02V increments then to 2.21V w/OV jumper, 1.25v standard
SouthBridge (SB) Voltage Auto, 1.05V ~ 1.20V in 0.15V increments, 1.05V standard
Clock Over-Charging Voltage Auto, 0.70V ~ 1.00V in 0.10V increments, 0.80V standard
Load-Line Calibration Auto, Normal, Performance
CPU GTL Voltage Reference Auto, 0.370x ~ 0.760x in 0.005x increments, 0.630x standard (both dies)
NB GTL Voltage Reference Auto, 0.61x ~ 0.67x in 0.06x increments, standard 0.67x
Memory Slots Four 240-pin DDR3 DIMM Slots
Dual-Channel Memory Architecture
Regular Unbuffered, non-ECC DDR3 Memory to 8GB Total
Expansion Slots 2 - PCIe 2.0 x16 (blue), Supports ATI CrossFire Technology @ 2x8
1 - PCIe (1.x) x16 (black) @ x4 or x1 mode only
2 - PCIe (1.x) x1
2 - PCI Slot 2.2
Onboard SATA RAID 6x SATA 3.0Gbps Ports - ICH10R (Intel Matrix RAID 0, 1, 5 and 10)
Onboard IDE/Additional SATA Jmicron JMB363 PATA Controller (up to 2 UDMA 133/100/66 devices)
1x External eSATA ports - RAID 0, 1 and JBOD
Onboard USB 2.0/IEEE-1394 10 USB 2.0 Ports - (6) I/O Panel - (4) via Headers
2x Agere/LSI L-FW3227-100 IEEE-1394a Ports - (1) I/O Panel, (1) via Header
Onboard LAN (with Teaming) 1x Marvell 88E8056 PCI Express Gigabit Ethernet controller
1x Marvel 88E8001 PCI Gigabit Ethernal controller
Wireless LAN (optional) ASUS WiFi-AP@n (USB-based), 300Mbps Draft Wireless-N (Wireless-G/Wireless-B compatable), Software Access Point mode
Onboard Audio ADI AD2000BX 8-channel HD Audio CODEC
Power Connectors ATX 24-pin, 8-pin EATX 12V
I/O Panel 1 x PS/2 Keyboard/Mouse
2 x SPDIF - (1) Optical Out, (1) Coaxial Out
1 x External eSATA
2 x IEEE-1394a - (1) back panel, (1) header
2 x RJ-45 (LAN)
6 x USB 2.0/1.1
8 channel Audio I/O
2 x WiFi-Ap@n antenna jacks (optional)
Fan Headers 6 - (1) CPU, (1) Power, (4) Chassis
BIOS Revision 0129 (pre-release)
Board Revision 1.03G

The ASUS P5Q3 Deluxe is strikingly similar to the ASUS P5E3 Premium in both layout and specification. Worth noting is that the P5Q3 Deluxe will be bundled for sale with ASUS' WiFi-AP@n wireless Draft-N controller. We really like the idea of including useful features such as these onboard but would really like to see ASUS ditch the USB-connect interface for something a little more modern, like a PCI Express x1 link.

An Analog Devices AD2000BX 8-channel HD CODEC provides onboard audio. Although we do not have much information about this new controller as of yet we can tell you that our initial listening impressions leave us feeling that It's a notch above the ADI1988B Audio CODEC that ASUS has been extensively utilizing for the past two years.

The crowd of readers that constantly complain about the lack of Firewire-800 support will have no reason to change their tune - up to two 1394a ports, one on the back panel and one via an optional header, are provide by a single Agere/LSI L-FW3227-100 IEEE 1394a Firewire-400 controller. When asked why no current motherboard supported the newer Firewire-800 standard, ASUS representatives commented that the cost of the controller was excessive when first introduced but admitted that the price should have substantially dropped over the years and resolved to see what could be done for future boards.

The P5Q3 also includes the latest and greatest Express Gate module, which allows quick pre-boot access to digital content stored on a USB drive or other attached media, near instant access to the internet and communications programs like Skype, and the ability to play simple games regardless of the OS installed (including the lack of any main system drive). This environment is built using a highly-optimized, low footprint Linux kernel and is upgradable - meaning as new features are released they can be added to the system at no additional cost.


The back panel contains a pretty standard array of connection I/O ports. There is a PS/2 port capable of supporting either a single keyboard or mouse, two SPDIF audio ports (one digital Coax, one optical), analog speakers outputs including line-in, six USB 2.0 ports, two RJ-45 1Gbps Ethernet ports, one eSATA port, and a single 1394a (Firewire-400) port.

Board Layout and Features Test System Configuration & General System Performance (PCMark Vantage)
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  • dingetje - Tuesday, May 13, 2008 - link

    a p45 shootout article would be awesome.
    i won't buy asus anymore because of their EPU scam, but am very interested in the gigabyte and msi p45 offerings
  • Hxx - Wednesday, May 14, 2008 - link

    Asus = EPU scam, Gigabyte = dynamic energy saver scam. Unless your running your system at stock speeds, these features are useless, which brings out the following question? why are these 2 embedded in high end motherboards?
  • Hulk - Tuesday, May 13, 2008 - link

    I've written this before but a lot of people (like myself) might be considering this board as a big upgrade from an older board, like my current P5B Deluxe rig. Please include some "legacy" benchmarks so we can see if the performance improvements are worth the dimes.
  • hansmuff - Tuesday, May 13, 2008 - link

    Certainly the P35 is mature by now and will be eclipsed, but I'd like to see a consideration of performance/$.
    A good P35 board is $120, 4GB of name brand DDR2-800 with an 8GB option (2x2GB) is $85. I can't even buy this P45 for those two combined, so DDR3 cost really comes into play.
  • Frumious1 - Tuesday, May 13, 2008 - link

    Well, you can't even buy any P45 boards right now, so it's a bit premature to discuss retail prices. This particular board is DDR3, so for budget-conscious buyers it would probably be a poor choice. ASUS will have a DDR2 model as well, and so will other companies. How much will those boards cost and how will they perform relative to, say, X38 DDR2 boards? Or P965, 975X, and P35 DDR2 boards? Those are all things we will hopefully examine in a future article. (Not being the motherboard reviewer, I can't make any promises. :))
  • Hxx - Wednesday, May 14, 2008 - link

    This board doesn't look "mainstream" to me for a 250 dollar board. I know that intel boards can go as high as 500 bucks a piece but a mainstream board is a stripped down of all the features such as dual ethernet, wireless build in, etc, and this board has it all, except maybe watercooling blocks. But anyway, just like the author stated, a major shift to a different socket type and processing power si drawing near, hopefully by the end of this year aka nehalem, which will pretty much make the x38/48 and p35/45 series become obsolete. So this board is definitely not futureproof. Having said that, most enthusiast/mainstream users will skip this product and look further ahead to the coming up nehalem processors. As for people looking to upgrade or building a new system, P35 can be had for less than $100 without sacrificing too much performance, or x38 for under 200 for crossfire purposes.
    P45 will only increase Intel's revenues without bringing anything new or worthy of attention to us, the consumers.

  • JarredWalton - Wednesday, May 14, 2008 - link

    $249 as an estimated price prior to launch is not indicative of the market as a whole. I imagine we'll see P45 boards at much more reasonable prices - they should only carry a small premium over P35 boards really.

    You can also see updated results with P35 performance in the charts now, and from that it's quite clear that P45 isn't a major leap forward. We'll have to wait for further tests on stuff like CrossFire, as that might show more of an advantage, but unless P45 comes in at a price lower than X38 it won't really be a huge chipset launch. Luckily, I expect we will see $150 and lower priced P45 boards - just probably not from ASUS. ;-)
  • Hxx - Wednesday, May 14, 2008 - link

    Wow, performance difference between p45 and p35 is so small it's scary. One might state that P45 is just a refresh of its older brother, which is not.
  • Frumious1 - Tuesday, May 13, 2008 - link

    Edit: *they* will hopefully examine. Whatever. I know that's what I want to see benchmarked.
  • goosemilk - Tuesday, May 13, 2008 - link

    Does this board support Crossfire and SLi?

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