Applicable Models

IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.

This information is for the following models:

  • MSAC-EX1

About this download

Benefits and improvements

This utility installs the Memory Stick Duo ExpressCard Adaptor driver for Macintosh.

System Requirements

Operating Systems

  • Mac OS® X

File Info

File Name

  • MSAC-EX1_Device_Driver_v1045050.dmg

File Version

  • n/a

File Size

  • 0.97 MB

Release Date

  • 09-16-2009

Before You Start


Important Notes
  • Before beginning the procedure below, ensure that the MSAC-EX1 adapter is disconnected from the computer.
  • It is highly recommended to print out these instructions as a reference during the installation process.

Download & Install


Download and Installation Instructions
  1. Download the MSAC-EX1_Device_Driver_v1045050.dmg file to a temporary or download location (please note this location for reference).
  2. Go to the location where the file was downloaded and double-click the MSAC-EX1_Device_Driver_v1045050.dmg file to begin the installation.
  3. Carefully follow the onscreen prompts to complete the driver installation.

The installation of the Sony® Memory Stick Duo™ ExpressCard™ Adaptor Driver for Macintosh® is complete.