Dell OptiPlex 3050, Руководство пользователя

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Hard drive options
This computer supports HDD and PCIe SSD.
Identifying the hard drive in Windows 7
1 Click Start > Control Panel > Device Manager .
The hard drive is listed under Disk drives.
2 Expand Disk drives .
Identifying the hard drive in Windows 10
1 Click All Settings on the Windows 10 Charms Bar.
2 Click Control Panel , select Device Manager , and expand Disk drives .
The hard drive is listed under Disk drives .
Entering BIOS setup
1 Turn on or restart your laptop.
2 When the Dell logo appears, perform one of the following actions to enter the BIOS setup program:
•
With keyboard — Tap F2 until the Entering BIOS setup message appears. To enter the Boot selection menu, tap F12.
Hard drive is listed under the System Information under the General group.
USB features
The Universal Serial Bus, or well known as USB was introduced to the PC world in 1996 which dramatically simplified the connection
between host computer and peripheral devices such as mice and keyboards, external hard drive or optical devices, Bluetooth and many
more peripheral devices in the market.
Let's take a quick look on the USB evolution referencing to the table below.
Table 5. USB evolution
Type Data Transfer Rate Category Introduction Year
USB 3.0/USB 3.1 Gen 1 5 Gbps Super Speed 2010
USB 2.0 480 Mbps High Speed 2000
USB 1.1 12 Mbps Full Speed 1998
USB 1.0 1.5 Mbps Low Speed 1996
USB 3.0/USB 3.1 Gen 1 (SuperSpeed USB)
For years, the USB 2.0 has been firmly entrenched as the de facto interface standard in the PC world with about 6 billion devices sold, and
yet the need for more speed grows by ever faster computing hardware and ever greater bandwidth demands. The USB 3.0/USB 3.1 Gen 1
42 Technology and components