-SCS Parameter Analyzer Reference Manual Section 12:
4200A-901-01 Rev. C / February 2017 12-3
Solid-state hard drive maintenance
Your 4200A-SCS is shipped with a solid-state hard drive (SSD). SSDs offer several advantages over
traditional hard drives, such as:
• Superior data access time
• Increased reliability
• Lower power usage
• Less heat generation
The SSD installed in your instrument does not require conventional hard drive maintenance, such as
defragmentation.
Do not perform or schedule defragment operations on your SSD. Defragmentation can cause
premature wear on the SSD and reduce its usable capacity more quickly compared to normal use.
Programs or operations that result in excessive write operations to the SSD will also reduce the
capacity more quickly.
Repacking for shipment
Should it become necessary to return the 4200A-SCS for repair, carefully pack the entire instrument
in its original packing carton or the equivalent, and follow these instructions:
• Call Keithley Instruments’ repair department at 1-800-935-5595 for a Return Material
Authorization (RMA) number.
• Let the repair department know the warranty status of the 4200A-SCS.
• Write ATTENTION REPAIR DEPARTMENT and the RMA number on the shipping label.
If you installed software that is not part of the standard application software for the 4200A-SCS, the
non-standard software may be removed when the instrument is sent in for service. Back up the
applications and any data related to them before sending the instrument in for service.
Updates to the operating system software
Your 4200A-SCS is shipped with Windows automatic updates turned off. Keithley Instruments
recommends manually applying Windows 7 updates to your 4200A-SCS. For instructions, refer to
Install Windows updates (http://windows.microsoft.com/en-us/windows7/install-windows-updates
).
See the Embedded computer policy (on page 1-4) and the Protecting software integrity (on page 11-
6) topics for more information.
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