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Report of Green Computing Audit

LCD display will use musch less power than this and also provide a stand-by mode running at

less than 2W. Therefore a high efficiency screen is recommended.

The security software installed (Norton Internet Security) does not have a current subscription;

the subscription purchased is for Norton 360, which is not installed. It is recommended that

Norton Internet Security be uninstalled, and Norton 360 installed; however, given the age, it is

possible that Norton 360 may slow the computer down unacceptably. If so, Norton may be willing

to convert a licence of Norton 360 into Norton AntiVirus or Internet Security (which are less likely

to slow down the computer), we would recommend installation of Kaspersky Internet Security.

The computer has a number of software utilities that start when the computer boots but which are

not regularly utilised; these occupy RAM and consume CPU cycles, which on an old computer

will result in reduced speed. It is recommended that these “auto-runs” be minimised.

Backups of the hard disk are not regular; given the age of the computer, there is therefore a risk of

data loss if computer failure results in or is caused by hard disk failure. It is recommended that

automated regular backups be implemented.

The tasks for which this computer is used are all low-intensity. The tasks can thus be allocated

onto a “server” PC by means of a virtual thin client, assuming the “server” has spare operating

capacity. To do this, a wired Ethernet connection must be provided, and to connect this to the

wireless network, a bridge will be required. It is therefore recommended that when the

computer fails a wireless-Ethernet bridge and virtual thin client be installed as replacements,

with the HP Pavilion PC acting as the server.

Item Price Features

AOC e2250Swd

21.5" Monitor

$189.00 Full HD (1920x1080p resolution); 20,000,000:1 Contrast (DCR); 5ms

Response Time; DVI & VGA inputs; Power consumption < 33W

(active), < 0.5W (Standby); 2 x 5W speakers; EPEAT Silver

certified; WEEE compliant (EU)

Kaspersky Internet

Security

$49.00

nComputing L300 $335.00 Virtual Thin Client: Full Screen Video; 16 million colours;

1920x1080p resolution; Microphone port; Speaker output; Low

power (3-5W); 2 USB 2.0 peripheral ports; USB Keyboard/mouse

ports; Wall-Mounting bracket

Billion 3100SN $105.00 300Mbps Wireless Access Point: Wireless-Ethernet Bridge mode; 1

x 100Mbps Wired Ethernet connection; Wall Plug design

Prices do not include installation.

HP Pavilion PC

The HP Pavilion a6330a is around 3 years old. Given its likely 8-year life-span, power saving

upgrades are likely to result in a net saving. It has no specific power-saving hardware features.

The HP Pavilion a6330a standard specification has an Intel Pentium E2180 Dual-Core CPU

running at 2GHz (Passmark score 1125; 65W TDP). The available “upgrades” do not offer better

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