
P/N:  900-10004-00 REV 02  USER GUIDE,  IOSAFE R4   
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Partitions on the storage devices must be one of the following file system formats: 
FAT32 
NTFS 
Ext2 
Ext3 
To the right of the access icons are command options for the device.  The following commands are 
available: 
Disconnect
:  This option prepares the USB partition for disconnection by properly 
unmounting the file system.  In most cases, you can safely disconnect the device 
without first unmounting; however, the Disconnect command ensures that any 
data still in the write-cache is written out to the disks and the file system is 
properly closed.  The Disconnect option unmounts all partitions on the device.  
Once disconnected, physically remove and re-connect to the ioSafe R4 to regain 
access to the USB device. 
Locate
:  In cases where you attach multiple storage devices and wish to determine which 
device corresponds to the device listing, the 
Locate
 command will blink the 
device LED, if present.  
Format FAT32
:  This option formats the device as a FAT32 file system.  FAT32 format is easily 
recognizable by most newer Windows, Linux and Unix operating systems. 
Format EXT3
:  This option formats the device as an EXT3 file system.  Select this option if you 
will be accessing the USB device mainly from Linux systems or ioSafe R4 devices.  
The advantage of EXT3 over FAT32 is that file ownership and mode information