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The table below shows values for PC memory module types. These modules usually combine multiple chips on one circuit board. SIMM modules connect to the computer via an 8-bit- or 32-bit-wide interface. RIMM modules used by RDRAM are 16-bit- or 32-bit-wide. [49] DIMM modules connect to the computer via a 64-bit-wide interface.
Some mobile devices have 15 ms drives, with the most common mobile drives at about 12 ms [15] and the most common desktop drives typically being around 9 ms. Two other less commonly referenced seek measurements are track-to-track and full stroke. The track-to-track measurement is the time required to move from one track to an adjacent track. [5]
The specification defined standards for ×4, ×8 and ×16 memory devices with capacities of 2, 4, 8 and 16 Gbit. [1] [47] In addition to bandwidth and capacity variants, DDR4 modules can optionally implement: ECC, which is an extra data byte lane used for correcting minor errors and detecting major errors for better reliability. Modules with ...
A composite device may provide several functions, for example, a webcam (video device function) with a built-in microphone (audio device function). An alternative to this is a compound device, in which the host assigns each logical device a distinct address and all logical devices connect to a built-in hub that connects to the physical USB cable.
Parallel ATA (PATA), originally AT Attachment, also known as Integrated Drive Electronics (IDE), is a standard interface designed for IBM PC-compatible computers.It was first developed by Western Digital and Compaq in 1986 for compatible hard drives and CD or DVD drives.
No longer was Compaq the top laptop maker in the United States: Toshiba overtook them that year, helped along with their Satellite line of laptops. [7] [4] As a result of this upset, in early 1995, Compaq hired Inventec of Taiwan to co-design and manufacture in full the followup LTE. The partnership not only hastened development of a successor ...
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Storage: 2 internal SATA drive bays Accepts 2.5" hard disk drives and solid-state drives; The dv9000 series (as well as other 17"+ laptops from other manufacturers) are notable for having dual SATA 2.5" hard disk drive expansion bays, which could be used in a RAID configuration, if supported. However, this laptop does not have support for RAID ...
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