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Intended use

The product is used as card reader for memory cards. Furthermore, it includes a built-in USB hub with 3 
ports. 
This product complies with the applicable national and European requirements. All names of companies and 
products are the trademarks of the respective owners. All rights reserved.

Package Contents 

•  Card reader with integrated 3-port USB hub
• USB cable
• Operating Instructions

Features

•  Card reader for SD/MMC/SDHC, SDXC, microSD, MS, M2
•  Integrated USB hub with 3 Ports
•  USB2.0 (USB1.1 compatible)

Safety Instructions

   The warranty will be void in the event of damage caused by failure to observe these safety 

instructions! We do not assume any liability for any consequential damage! 

 

 We do not assume any liability for material and personal damage caused by improper use 
or non-compliance with the safety instructions. In such cases, the warranty will be null 
and void.

 

•   The unauthorised conversion and/or modi

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 cation of the product is not permitted for safety and 

approval reasons (CE). Do not open/disassemble! It does not contain any internal parts that 
need to be adjusted or maintained by you. 

 

•  The product is not a toy and should be kept out of the reach of children.

 

•   The product must not get damp or wet, it is only intended for use in dry, indoor locations. 

 

•   Do not leave packaging material carelessly lying around since it could become a dangerous 

plaything for children.

 

•   Handle the product with care, it can be damaged by impacts, blows, or accidental drops, even 

from a low height.

Connection

Connect the card reader via the provided USB cable with a free USB port in your computer. The computer 
does not need to be switched off. 
The drivers for the USB hub and the card reader are integrated in the operating system; therefore, there is no driver-
data carrier. 
When 

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 rst connected to the computer, Windows recognises the card reader as well as the USB hub and 

completes the driver installation. 
Additional drive points, for the memory card slots on the card reader, are assigned automatically by Windows. 

Reading/Writing to Memory Cards

A memory card inserted into the card reader will be integrated in the same way as a conventional removable 
media drive. 
For instance, with Windows 

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 le manager you can read the data on the memory card (or store data on the 

memory card), in the same way as you use the hard disk or a USB stick. 

   In order to use SDXC memory cards with Windows XP, an update of Windows XP is required.  

Only then will the „exFat“ 

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 le system of SDXC memory cards be supported.

 

 You can download the update at www.microsoft.com. To 

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 nd the update, e.g. enter the search 

terms „exfat windows xp“ in the search bar of your internet browser.

 

 With Windows Vista, you have to install at least Service Pack 1 in order for the card reader to 
support SDXC cards. 

Removing a Memory Card

If a read/write access is underway to the memory card, wait until it is 

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 nished. 

Then remove the memory card(s) carefully from the memory card slot. 

   If the memory card is removed during a reading/writing access, data on the memory card can be 

damaged and a new formatting of the memory card might be necessary.

 

The same applies for disconnecting the USB connection. 

Connection/Disconnection of USB Devices

•   USB devices can be plugged in and unplugged while the PC is in use. This means that you do not have to 

switch off your computer when you want to plug in or unplug devices (with other interfaces this can cause 
damage, e.g., if you connect or disconnect a PS/2 mouse during operation).

   If data transfers are in progress on the USB port, e.g. if an external drive is inputting data to the computer, 

and you unplug the USB plug, Windows might crash and other data may also be damaged!  

   For some USB devices (e.g. USB hard disk) Windows displays an icon with an arrow in the menu bar. You 

can „separate“ the USB device from the computer using this function, and thus instruct the computer to 
close open 

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 les. Afterwards, the USB device can be unplugged safely.

•   When a USB device is connected for the 

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 rst time, Windows may start the hardware recognition, and a 

driver may have to be installed depending on the USB device.

   You should use the same USB port for connecting USB devices; otherwise the hardware recognition might 

be performed again and as a result the driver installation will be repeated.

Tips & Notes

a) USB card reader

•   Ensure that the read-only access (slide switch on the memory card; if available) is in the off position, when 

deleting from, or writing to, SD/MS memory cards.

•   Always remove the memory card from the card reader, before switching off the computer or disconnecting 

the USB connection.

•   SDXC memory cards can only be used with the card reader, if the operating system recognises the so-

called „exFat“ 

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 le system. 

   As described in chapter „Reading/writing to memory cards“, this may require an update of the 

operating system!

b) USB hub

•   The USB2.0 hub is USB1.1 compatible. This means that normal USB1.1 devices can be used with no 

problems on the USB2.0 Hub. However, this will not speed up the USB1.1 devices!

   Should your computer still have USB1.1 and USB 2.0 ports (all modern computers only have USB2.0 

interfaces), always connect the device to a USB2.0 port on the computer, in order to use the higher transfer 
rate.

•  USB operation is not possible in DOS or in the protected mode of Windows. 
   Nevertheless, depending on the computer or BIOS /Setup settings, it may be possible to use a USB 

keyboard and a USB mouse. It is necessary, however, to connect them directly to the computer‘s USB 
interface, i.e., not to the USB Hub.

•   The USB hub (and also the integrated card reader) are supplied with power through the USB port of the 

computer.

   For this reason, a total current of max. 500 mA is available for the 3 USB ports and the card reader. There-

fore, only connect devices with a lower power input or USB devices with their own power supply unit to the 
3 USB ports of the USB hub.  

   Optionally, you can connect a power supply (which can be ordered as an accessory); this must have an 

output voltage of 5 V/DC and be able to supply a current of 2 A. Pay attention to the correct polarity of the 
round plug; see the imprint on the card reader. 

Disposal

   Dispose of an unserviceable product in accordance with the relevant statutory regulations.

 

   O P E R A T I N G   I N S T R U C T I O N S   www.conrad.com

Combo Card Reader USB2.0

 Item no. 41 70 35

 Version  04/12

  

   These operating instructions are a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1,  

D-92240 Hirschau (www.conrad.com). 

 

 All rights including translation reserved. Reproduction by any method, e.g. photocopy, micro

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 lming, 

or the capture in electronic data processing systems require the prior written approval by the editor. 
Reprinting, also in part, is prohibited. 

 

 These operating instructions represent the technical status at the time of printing. Changes in         
technology and equipment reserved. 

 

© Copyright 2012 by Conrad Electronic SE.

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