Buffalo HD-PGDU3 User manual
HD-PGDU3
User Manual
www.buffalotech.com
35020486-01
2014-05
2
Contents
LEDs and Connections ....................................................3
Specifications ..................................................................4
Recommended Usage ....................................................5
Warning.............................................................................................5
Dismounting the Unit ......................................................................6
Troubleshooting ...............................................................................7
I can see the MiniStation DDR in Computer (PC) but I cannot access it
... 7
I cannot see the MiniStation DDR ............................................................. 7
My backup program cannot save files to the MiniStation DDR .............7
Compliance Information ................................................8
FCC Statement ..................................................................................8
3
LEDs and Connections
1 Power/Access LED
Power On: white
Accessing: blinking white
2 USB Connector
3 Cache Status LEDs
This product includes cache to speed up writing data. The LEDs show how much data is remaining in cache.
Don’t unplug the drive or turn off your computer while any of these LEDs are flashing. Data remaining in
cache might be lost.
1–25% of cache is used: One LED flashes
26–50% of cache is used: Two LEDs flash
51–75% of cache is used: Three LEDs flash
76–100% of cache is used: All LEDs flash
4
Specifications
Check Buffalo’s website (www.buffalotech.com) for information about the latest products or compatible models.
Interface USB 3.0
Connector USB 3.0 Micro-B
Transfer speed 5 Gbps Maximum (USB 3.0) *
External dimensions 81 x 133 x 18 mm; 3.2” x 5.2” x 0.7” (excluding protruding parts)
Power 5 V ± 5%
Compatible OS
Windows 8.1 (64-bit or 32-bit)
Windows 8 (64-bit or 32-bit)
Windows 7 (64-bit or 32-bit)
OS X 10.9, 10.8, 10.7 **
*Connect the MiniStation DDR to a USB 3.0 port for best transfer speeds. The MiniStation DDR will function when
connected to a USB 2.0 or USB 1.1 port, but data transfers will be slower.
**Only basic external hard drive functionality is supported with these operating systems; Cache Control Tool can
work with them, but other utilities from our website may not.
5
Recommended Usage
Warning
To avoid damage to data, never do any of the following while data is being accessed:
- unplug the cables
- turn off your computer
- put your computer into standby, hibernate, or sleep mode
Never configure this unit as a destination for virtual memory.
The maximum size of a file on a FAT32 hard drive is 4 GB. To work with larger files, reformat the drive with NTFS
or Mac OS extended.
Some computers may not recognize this device at boot. If this happens, unplug the cable, then plug it again
after a few seconds.
This unit supports hot-plugging.
You can plug or unplug the USB cable while the unit and your PC are on. However, never unplug the cable while the
data is being accessed. If you unplug the unit while the data is being accessed, your data may be damaged or lost.
Never put anything on top of the MiniStation DDR. It may cause the unit to malfunction.
If the unit is connected to a USB 2.0 or 1.1 plug, Windows will display a message that a high-speed USB device
is connected to a non high-speed USB hub. Move the unit to a USB 3.0 port for best performance, or click [X] to
continue.
You may hear some noise while the unit is working, especially while it’s booting or being accessed. This is
normal.
Do not boot your operating system from this unit.
The first time you connect this unit, it may take about 20 seconds before the power/access LED turns on.
If you use this unit with multiple partitions, format each partition before use.
If your Windows computer will not boot while this unit is connected, then connect the unit to your computer
after rebooting Windows. Also, refer to your computer’s manual to change the BIOS setting to boot from an
internal hard drive if you want to turn your computer on or off while this unit is connected.
Some computers may display a delayed write when they return from an energy-saving state. If this happens,
unplug the unit before putting your computer into the energy-saving mode.
6
This drive may become hot during use.
This unit is designed to release heat through its case. The surface of the case may become quite hot in normal use.
Even when the unit is off, the case may still be warm from standby current.
If the power/access LED does not turn off when you turn off your computer, unplug the USB cable from the
drive.
Some computers do not support power saving mode.
Before using this unit with a Mac, reformat it with Mac OS extended using the disk utility in Mac OS.
Dismounting the Unit
Unplugging the unit incorrectly can corrupt data. Please be careful! If your computer is turned off, then it is always
safe to unplug the unit. If your computer is turned on, please follow the procedure below to unplug the unit.
For Windows
1 Click the icon or in the system tray.
2 When the menu opens, click the device name.
3 A message that indicates you can safely remove the unit will appear.
For Mac
1 Drag this unit’s icon to the trash to dismount the drive. Or, click the dismount icon in the sidebar of the
Finder to dismount the drive.
2 It’s now safe to unplug the unit from your Mac.
7
Troubleshooting
I can see the MiniStation DDR in Computer (PC) but I cannot
access it
The drive may require formatting. Try using DiskFormatter2. Consult the manual for DiskFormatter2 for more help.
I cannot see the MiniStation DDR
Verify that the power LED is on. If it is not, check the cable! The MiniStation DDR should be connected to your
computer by a USB cable. Check that both ends are correctly plugged in.
Verify that the hard drive inside the MiniStation DDR is spinning. This can be verified by placing your hand on the
side of the case and feeling for a slight vibration.
Also, after the MiniStation DDR has been powered on for 15 minutes or more it will begin to get warm. If neither
of the proceeding tests verified that the hard drive is spinning, then please contact technical support for further
assistance.
My backup program cannot save files to the MiniStation
DDR
Reformat your MiniStation with NTFS or Mac OS Extended. FAT32 is limited to 4 GB file sizes.
8
Compliance Information
FCC Statement
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) This device must accept any interference received, including
interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
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