The 5.25” EXTERNAL BAY can support one 5.25” DEVICE such as a CD-ROM or DVD DRIVE. The 3.5” EXTERNAL BAY is normally used to house a FLOPPY DISK DRIVE and/or CARD READERS (back to these later) and internally you will find just one 3.5” BAY used for a standard HARD DRIVE.
The MINI TOWER CASE
This is very similar to the MINI ATX DESKTOP CASE with the same number of BAYS. These can also be stood on a work surface a long side the monitor or stood on the floor.
The MIDI TOWER CASE
This is probably the most common case found today and it has been designed for the ATX MOTHERBOARD. It has the advantage over the DESKTOP and MINI TOWER CASE because it can house many other devices. A typical MIDI TOWER CASE has the following
The FULL TOWER
These are designed to house a large number of devices and are usually found built as SERVERS, these are computers used to store DATA through a NETWORK. You also find that they support HOT SWAP HARD DRIVES, these are HARD DRIVES that can be disconnected from the computer without it having to be switched off, which is a useful feature if the SERVER is accessed by many USERS.
They normally have at least one backup device such as a TAPE STREAMER, this is used to copy the DATA from the HARD DRIVES within the FULL TOWER for long term storage.
- Unplug the POWER CABLE from the wall socket before touching any components
- Handle the components by the edges and avoid touching any electronic components
- Use a ANTI STATIC WRIST STRAP when possible
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