The P45XE includes McAfee Virus Scan and a variety of ASRock utilities.
First on ASRock’s utility list, OC Tuner includes monitoring and overclocking functions.
ASRock's OC Tuner FSB and Core Voltage controls functioned normally, as the changes were detected by both its monitor and CPU-Z. However, we prefer to overclock in BIOS.
ASRock's Intelligent Energy Saver is designed to reduce low-load power consumption by disabling unneeded CPU power regulator phases. Our power consumption dropped slightly, but our energy consumption charts will put this in perspective compared to other motherboards.
New from ASRock is its Instant Boot utility, which makes a system boot up faster by making it shut down slower. Instant Boot is a special application of the motherboard’s traditional Hibernate mode. Choosing Shut Down reboots the computer, where it goes into Suspend to RAM mode after entering Windows. Hitting the power button then wakes up the system for a Windows Vista boot time of approximately 10 seconds.
The benefit of using Instant Boot instead of hibernation is that by rebooting, users get a fresh software state upon hitting the power button without waiting for the hard drive to load everything. The system continues to draw a small amount of power, but our 4 GB dual-channel kit at 2 W drew only 3 W. Complete shutdown brought power consumption down to 1 W, so Instant Boot will only cost users 2 kilowatt hours per thousand hours of down-time. The value of this software is thus completely dependent on the impatience of the user.
The P45XE includes a wide range of voltage and frequency adjustments in excess of the capabilities of most components, while core voltage is the only major limiting factor associated with how far a builder could potentially take the platform using extreme cooling.
BIOS Frequency and Voltage settings (for overclocking)
100 to 800 MHz (1 MHz)
Clock Multiplier Adjustment
Up to DDR2-1,066 (By Boot Strap)
50 to 150 MHz (1 MHz)
0.81875 to 1.60 V (0.00625 V)
CPU FSB Voltage
1.20 to 1.90 V (0.02 V)
1.12 to 2.22 V (0.02 V)
Low, Middle, High, Highest
1.79 - 2.72 V (0.06 V)
CAS Latency Range
tCAS:3-7; tRCD: 3-10; tRP: 3-10; tRAS: 9-24
DRAM is also adjustable up to DDR2-1066 using any stock speed for any given boot strap, but users who want to increase memory speeds further can overclock by either increasing the front side bus (FSB) or choosing a different boot strap, assuming the chosen boot strap doesn’t push the chipset too far.
A fairly comprehensive set of BIOS controls for overclocking or memory optimization is complicated slightly with redundant settings found under multiple menus.
The P45XE overclock settings menu sets FSB and PCIe clock, FSB strap, DRAM ratio, and key voltages. One oddity was the lack of any 333 MHz boot strap via manual selection, with only 400, 266, and 200 MHz settings selectable. Choosing Auto allowed the board to set a boot strap with the normal DDR2-800 and DDR2-1066 ratios using a 333 MHz FSB clock.
The P45XE chipset settings menu has a redundant memory ratio setting, plus memory timings and onboard controller adjustments. Individual memory timings can be set to automatic or manual values. Alternatively, users could choose an EPP profile for an "all-in-one" adjustment, but the values of our modules were misreported.
The P45XE also includes DRAM RCOMP and DLL Skew settings for advanced tuning.
ASRock provides three BIOS profile registers to store custom values. This allows easy restoration of previous settings if a new one doesn’t function properly.
Motherboard Driver DVD
4x SATA Data Cable
1x 4-pin to SATA power adapter
1x 80-conductor Ultra ATA cable
1x Floppy Cable
1x I/O Panel Shield
ASRock’s P45XE includes twice as many Serial ATA cables as many sub-$100 motherboards offer, but two of these four cables are required to enable the rear-panel eSATA connections, leaving only two to support internal drives.
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