Magnetic disk drive and base

A magnetic disk drive, comprising:

• a base;
• a disk assembly including at least one magnetic disk, the disk assembly mounted rotatably on the base;
• and
• an actuator assembly including at least one actuator having a magnetic head, the actuator assembly mounted swingably on the base;
• wherein the base includes means for guiding, when a member to be disposed on the base is to be mounted, the member from a corresponding initial placement position of the member on the base to a target position, at which the member is to be disposed, the guide including a positioning portion, against which the member abuts at the corresponding target position.

A magnetic disk drive, comprising:

• a base;
• a disk assembly including at least one magnetic disk, the disk assembly mounted rotatably on the base;
• and
• an actuator assembly including at least one actuator having a magnetic head, the actuator assembly mounted swingably on the base;
• wherein the base includes a first guide to guide, when a first member to be disposed on the base is to be mounted, the first member from a corresponding initial placement position of the first member on the base to a target position, at which the first member is to be disposed, the guide including a positioning portion, against which the first member abuts at the corresponding target position;
• and
• wherein the base includes a second guide to guide, when a second member to be disposed on the base is to be mounted, the second member from a corresponding initial placement position of the second member on the base to a target position, at which the second member is to be disposed, the guide including a positioning portion, against which the second member abuts at the corresponding target position.