Alienware X51 User Manual

Save & Exit
Save Changes and Reset Allows you to exit system setup and
save your changes.
Discard Changes and Reset Allows you to exit system setup and
load previous values for all system
setup options.
Restore Defaults Allows you to load default values for
all system setup options.
Boot sequence
This feature allows you to change the sequence of devices that your computer
attempts to boot from. If the computer cannot boot from the device you select,
it attempts to boot from the next bootable device. You can use this feature to
change the:
• Current Boot Sequence — change the boot sequence for the current boot,
for example, to boot from the optical drive to run Alienware Diagnostics
from the Drivers and Utilities disc or to reinstall your operating system
using an external media. The previous boot sequence is restored at the next
boot.
• Future Boot Sequence — change the boot sequence for all future boots, for
example, to boot from the primary hard drive.
Changing boot sequence for the current boot
1 If you are booting from a USB device, connect the USB device to a USB port.
2 Turn on (or restart) your computer.
3 When F2 Setup, F12 Boot Options appear in the lower-right corner of
the screen, press F12.
NOTE: If you wait too long and the operating system logo appears,
continue to wait until you see the Microsoft Windows desktop. Then,
shut down your computer and try again.
The Boot Options appears, listing all available boot devices.
4 On the Boot Options, select the device you want to boot from and press
Enter.
For example, if you are booting to a USB hard drive, highlight USB Hard
Disk and press Enter.
Boot Options
Following are the devices that your computer can boot from:
51

Alienware X51 Specifications

General

Tcase	72.6 °C
Bus type	DMI
Stepping	D2
Processor cache	8 MB
Processor cores	4
Processor model	i7-2600
System bus rate	5 GT/s
Processor family	Intel® Core™ i7
Processor series	Intel Core i7-2600 Desktop Series
Processor socket	LGA 1155 (Socket H2)
Processor threads	8
Processor codename	Sandy Bridge
Processor frequency	3.4 GHz
Processor cache type	Smart Cache
Processor lithography	32 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	3.8 GHz
Processor operating modes	64-bit
ECC supported by processor	No
Thermal Design Power (TDP)	95 W
Number of processors installed	1
CPU multiplier (bus/core ratio)	34
Maximum number of PCI Express lanes	16
Memory types supported by processor	DDR3-SDRAM
Memory clock speeds supported by processor	1066, 1333 MHz
Memory bandwidth supported by processor (max)	21 GB/s
Maximum internal memory supported by processor	32 GB
HDMI	Yes
Platform	PC
Power supply type	AC/DC
Networking features	Gigabit Ethernet
Wireless technology	Wi-Fi
Graphics card family	Intel, NVIDIA
Headphone connectivity	3.5 mm
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Audio system	HD
Motherboard chipset	Intel® H61
Audio output channels	7.1 channels
Memory slots	2x DIMM
Internal memory	8 GB
Memory channels	Dual-channel
Memory layout (slots x size)	- GB
HDD speed	7200 RPM
HDD interface	SATA
Optical drive type	DVD Super Multi DL
Card reader integrated	-
Total storage capacity	1000 GB
On-board graphics card ID	0x102
On-board graphics card model	Intel® HD Graphics 2000
Discrete graphics card memory	1024 GB
Discrete graphics memory type	GDDR5
On-board graphics card family	Intel® HD Graphics
On-board graphics card base frequency	850 MHz
On-board graphics card dynamic frequency (max)	1350 MHz
Number of displays supported (on-board graphics)	2
Operating system installed	Windows 7 Home Premium
USB 2.0 ports quantity	6
Firewire (IEEE 1394) ports	0
Wi-Fi standards	Wi-Fi 4 (802.11n)
Cabling technology	10/100/1000Base-T(X)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Chassis type	Mini Tower
Product color	Black
Processor code	SR00B
Processor ARK ID	52213
Processor package size	37.5 x 37.5 mm
Supported instruction sets	AVX
Intel Identity Protection Technology version	1.00

Weight and Dimensions

Depth	318 mm
Width	95 mm
Height	343 mm
Weight	5490 g