Computer Cases & Towers

Hp Compaq Dc7900 Pc: Cheap And Charismatic Pc To Own!

With growing number of computing device variants storming through the market, it has almost a challenging task for users to choose between bulky desktops and sleek laptops. To buy or not buy is the buyer’s dilemma.  Heightened arguments have always been held on this topic as supporters of both gadgets judiciously put forth their feedbacks, but are they enough to convince a buyer and do influence a buyer’s decision in this respect? Let’s find out some interesting facts on this particular issue.

Laptops are for young generation. Features like lesser space to acquire, wireless, mobility, battery and stylish look have made a laptop most convincing and a viable option for young buyers. Laptops offer facilities like operating from part of the world, whether you are in a garden or in college or at home. With so many cool features of laptops available to the consumers, there are still some spaces offered to desktop PCs where the latter outperforms the former. If you are choosing in between a laptop or a desktop and have prioritised multi-tasking functionality with high performance and want everything with an extra boost and low cost, the desktop PCs are good choice for you. Customisation is another feature that puts desktop PCs ahead of laptops. So far as manufacturers are concerned, they put emphasis on both segments and every then and now a new product is launched to lure buyers. Let discover one of such high performance desktop PC that really a good computing device to own though have least mobility and same wiring confusions - HP Compaq DC7900 PC. Here follows the product specification of HP Compaq DC7900 PC:

Part Number    FU042ET

Fast facts

Processor type    Intel Core 2 Duo processor E8400
3.00 GHz, 6 MB L2 cache, 1333 MHz front side bus
Cache external    6 MB L2 cache
Processor front side bus    1333 MHz front side bus
Chipset    Intel Q45 Express
Memory type    PC2-6400 DDR2 800 SDRAM
Standard memory    2 x 1 GB
Maximum memory    16 GB DDR2-Synch DRAM
Memory slots    4 DIMM
Memory upgrade    Expandable to 16 GB through four industry-standard DIMM slots

Internal drives

Internal drives    160 GB
Hard disk drive speed    7200 rpm
External drive bays    1 external 5.25 inch, 1 external 3.5 inch
Optical drives    SATA 16X/48X DVD-ROM
Flexible disk drive    Optional 1.44 MB Diskette Drive
Hard disk controller    SATA 3.0Gb/s

System features

Chassis type    Small Form Factor
Graphic subsystem name    Intel Graphics Media Accelerator 4500 integrated graphics
Video adapter, bus    PCI Express x 16
Video adapter driver     Microsoft Windows XP Home and Microsoft Windows Vista Enterprise
Graphic subsystem video card memory    Graphics memory is shared with system memory. Graphics memory usage can vary from 8 to 512 MB depending on the amount of system memory installed and system load
Graphic subsystem video card resolution    Maximum Vertical Refresh Rate: 85 Hz at up to 1920x1440, 75 Hz at 2048x1536
Expansion slots    1 low-profile PCI, 2 low-profile PCI Express x16, 1 low-profile PCI Express x1
Audio    Integrated HD audio with ADI1884 codec, internal PC speaker
Network interface    Integrated Intel 82567LM Gigabit Network Connection
Network cards    Optional Intel Pro 1000 PT PCIe Gigabit NIC
Available LAN drivers    Microsoft Windows Vista, Microsoft Windows XP
External I/O ports    Rear: 6 USB 2.0, 1 serial port, 2 PS/2, 1 RJ-45, 1 VGA, 1 DisplayPort, audio in/out; Front: 2 USB 2.0, audio ports; Optional: 2nd serial port, 1 parallel port
Keyboard    HP PS/2 Standard Keyboard
Pointing device    HP PS/2 2-Button Optical Scroll Mouse

Software :

Operating system installed    Genuine Windows Vista Business
Pre-installed software    Optional preloaded software, only for certain configurations: Microsoft Office 2007 Basic, Microsoft Office 2007 Professional, Microsoft Office 2007 Small Business, Microsoft Internet Explorer with Google Toolbar

Software included    On some models only (not included with FreeDOS): HP ProtectTools Security Software Suite Version 4.0, HP Power Manager, HP Firefox Virtual Browser, HP Backup and Recovery Manager, HP Insight Diagnostics Software (available via HP Backup and Recovery Manager), Computer Setup Utility, McAfee AntiVirus trial version, Roxio Creator Business 10 or DVD 10 or Easy Media Creator 9.0, Intervideo WinDVD 8 LE, PDF Complete

Security management    Integrated 1.2 TPM Embedded Security Chip (except for Russia), HP Business PC Security Lock, HP USB Smartcard Keyboard

Physical security    Kensington Lock, Solenoid Hood Lock / Sensor, HP 2008 (SFF) Wall Mount/Security Sleeve
Product dimensions (W x D x H)    33.7 x 37.8 x 10.0 cm
Product weight    8.5 kg
Power features    Operating Voltage Range: 90 – 264 VAC; Rated Voltage Range: 100 – 240 VAC; Rated Line Frequency: 50/60 Hz; Operating Line Frequency Range: 47 – 63 Hz;
Power consumption    240 watts maximum
Power requirements    Input voltage 90 – 264 / 100 – 240 VAC, 50/60 Hz, 47 – 63 Hz, active PFC (85% High Efficiency)
Energy efficiency compliance    85PLUS Power Supply
Storage temperature range (Celsius)    -30 to 60° C
Operating humidity range    10 to 90% RH
Non-operating humidity    5 to 95% RH
Non-operating altitude    9,144 m
Operating temperature range    10° to 35° C
Operating altitude    3,048 m

(Courtesy: systemactive.com)

For more information about this product, you can visit @ www.systemactive.com

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For more information about this product and other benefits, please visit these three links, HP Compaq DC7900 PC, HP Desktop Computers, HP Refurbished Laptops

Digging Deeper Into SFP Transceivers

A compact, hot-pluggable optical transceiver, the Small Form-Factor pluggable (SFP) transceiver is used in optical communications for both data communications applications. SFP is the interface between a network device mother board and a fiber optic or copper cable network cable.

The SFP transceiver is able to support Gigabit Ethernet, Fiber Channel, SONET, and quite a lot of other communications standards. FYI, SFP is going to expand to SFP+ in the near future. At that time, data rate at 10 Gbits/s will be possible, including 8 Gigabit Fiber Channel. Compared to Xenpac or XFP type of modules which have all of their circuitry inside, an SFP+ module leaves some of its circuitry to be implemented on the host board.

The SFP transceiver has a numerous variation available, each with different transmitter or receivers. This permits the user to configure and customize the transceiver to get the proper optical reach with either a multi-node fiber or single-node fiber type. Furthermore, the optical SFP module comes in four categories - SX, which is 850nm, LX, which is 1310nm, ZX, which 1550nm and DWDM. All f them have an interface of a copper cable which allows a host device to communicate via USTP (unshielded twisted-pair) network cable. CWDM and single-node bi-directional fiber optic cables are also available; these optic cables are 1310/1490nm upstream and downstream.

Practically available, the SFP transceiver has the capability transfer rates of up to 4.25 Gbit/s. XFP, a form factor which is virtually similar to the SFP type, raises this amount by nearly three times, at 10 Gbit/s. The SFP transceiver is specified and made compatible via a multi-source agreement (MSA) between manufacturers, in order for different users who may use equipment from different manufacturers and providers can work smoothly and effectively without worrying about inconveniences and errors.

The GBIC interface is the pioneer to the SFP, hence it's nicknamed as mini-GBIC. However, the SFP allows greater port density (number of transceivers per inch along the edge of a mother board) than the GBIC. There is also the related Small Form-Factor (SFF) transceiver which is about the same size as the SFP. Instead of being attached into an edge-card socket, it is directly attached to the mother board as a pin through-hole device.

Digital optical monitoring (DOM) or digital diagnostics monitoring (DDM) functions are supported by the modern optical SFP transceiver according to the industry specifications of the SFF-8472 MSA. Owing to this feature, the user has the ability to constantly monitor real-time parameters of the SFP, such as optical input/outp power, supply voltage and laser bias current.

Those being said, it's good to know that the SFP transceiver is a very popular format that is recommended by quite a number of fiber optic component providers. These companies carry SFP transceivers for all Cisco devices together with transceiver modules for many other manufacturers. So, if you need technology solutions for your networking applications, you now what to look for.

is this a good computer for CoD4 on Medium Graphics?

Manufacturer: DELL Optical Drive: CD-RW/DVD Combo
Model: GX280 SFF Optiplex Small Form Factor Disk Drive: None, slot available
Processor: Intel Pentium 4, 3.0 GHz Video Card: Integrated Intel Extreme Graphics Media Accelerator
Memory: 2GB Dual Channel DDR2 Shared Memory, 2 DIMM slots, 2G Max Network Adapter: Integrated 10/100/1000 Ethernet RJ-45
Hard Drive: 400G Serial ATA I/O Ports: Eight USB 2.0 (two front and six rear), one Ethernet (RJ45), one nine-pin serial (16550 compatible), one parallel (25-hole, bi-directional), 1 VGA out, stereo line-in (minijack), microphone-in (minijack-front), speakers/line-out (minijack) and headphone (minijack-front)
Dimensions: 12.54"x 13.93" x 3.57" (31.9cm x 35.4cm x 9.0cm)
Power Supply: 160W

I already have a monitor

well, you only have 2GB of RAM, that's not a good thing for gaming in any way, if you want to play a game like CoD4, you would need at least 4GB RAM and a good graphics card. Your processor seems alright seeing as it is 3GHz, but the RAM is terrible, sorry.

Also, @Mike Hawk; The person states in the specs that she does not have a disk drive, so why would they ever buy a disk for it? They would clearly download it off of a thing like steam.

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