M 2 replaces the msata standard which uses the pci express mini card physical card layout and connectors.
M key types 0.
Ssd can only be installed one way.
Employing a more flexible physical specification the m 2 allows different module widths and lengths and paired with the.
But u i o p j k l semicolon m command period.
As the key positions of b and m are slightly different the m.
To help our customers understand the nuances of m 2 drives we decided to publish this overview of m 2 ssds.
The key type refers to the connector type on the m 2 pcie drive and the m key can only be m 2 pcie.
This device can adapt an m 2 pcie drive to connect to pcie connections which is not possible for a sata based m 2 drive.
With this mode invoked you could still type 7 8 9 and 0 and have those characters appear as they re still mapped to the same position.
B m or b m while a socket can only have one key.
M 2 is a new form of connectivity that allows a ssd to connect directly to the pci e bus allowing for theoretical speeds as high as 2gb s.
B m and b m.
This syntax is deprecated in mysql 8 0 17 and it will be removed in future mysql versions.
If p is from 25 to 53 the data type becomes double.
Currently an m 2 ssd has either one of three key types.
The keys used for numeric entries are usually as follows.
The actions of the function key are usually below the main key action e g.
Under the j key on my keyboard is a number 1 and may also be in a different color.
The m 2 specification identifies 12 key ids on the module card and socket interface but m 2 ssds typically use three common keys.
However m 2 drives are complicated in that they allow for a variety of physical dimensions connectors and even multiple logical interfaces.
Float p a floating point number.
Mysql uses the p value to determine whether to use float or double for the resulting data type.
It is important to check the specifications of the drive to see if it supports pcie m key.
M 2 formerly known as the next generation form factor ngff is a specification for internally mounted computer expansion cards and associated connectors.
M 0 j 1 k 2 l 3 u 4 i 5 o 6 7 7 8 8 and 9 9.