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Sum 
 

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Bootloader button and status LED location for SumCDTV 

 
 
 
 

 

When pressing and holding the 

Bootloader 

button, one should connect the device via USB A-A cable to the PC running Windows. After 

being recognized by Windows OS, adapter switches into 

Bootloader 

mode which is confirmed with continuous pulsation of the 

Status 

LED. 

 
The next required step is to launch on the connected Windows PC 

SumFlasher

 application that will update firmware of the adapter. 

 

 

 

When application detects connected Sum adapter it will enable 

Open Hex File 

button. Firmware update procedure looks as follows: 

 

 

One should press 

Open Hex File 

button and choose a file containing updated firmware image (which results in enabling 

Programming 

and 

Reset Device

 buttons). 

 

One should press 

Programming 

button and wait for the flashing process to complete. 

 

After completion of the flashing process, one should press 

Reset Device 

button, which switches Sum back into normal operation 

mode allowing its disconnecting from the PC. 

 
Having followed the above procedure one can connect the adapter back to the Amiga

 
All files required for the updating procedure can be downloaded fro

http://retro.7-bit.pl 

website. 

 

 
 
 
 

Status 

Bootloader 

 

Summary of Contents for Sum Series

Page 1: ...SumA1200 SumA600 SumA234 CD32 SumCDTV Sum USB adapter USER GUIDE Version 1 3 Firmware v 20190501...

Page 2: ...Table of contents Installation Amiga 1200 3 Installation Amiga 600 5 Installation Amiga 2000 3000 4000 CD32 7 Installation Amiga CDTV 8 Mapping keys 9 Configuration mode 10 Updating adapter s firmwar...

Page 3: ...1200 computer Therefore please remove your Amiga A1200 case and find the U7 chip using the following picture as a guide Next you should place Sum adapter s socket on the U7 chip and push it gently in...

Page 4: ...o this is illustrated below WARNING One should pay special attention to connecting USB cable to your Sum adapter in a correct way Incorrect installation may result in serious damage to the adapter you...

Page 5: ...d find the U7 chip using the following picture as a guide Next you should place Sum adapter s socket on the U7 chip and push it gently in order to make it appropriately attached to the chip Below you...

Page 6: ...cting USB cable to your Sum adapter in a correct way Incorrect installation may result in serious damage to the adapter your Amiga computer and or the connected USB device Correctly connected Sum adap...

Page 7: ...S be performed with your Amiga being TURNED OFF Sum A1234 CD32 adapter should be connected to the keyboard port of Amiga A4000 CD32 computers In the case of Amiga A2000 A3000 models one should also us...

Page 8: ...The process of connecting the adapter should ALWAYS be performed with your Amiga being TURNED OFF Sum CDTV adapter should be connected to the keyboard port of Amiga CDTV computers Correctly connected...

Page 9: ...Sum 9 Mapping keys Amiga keys USB keyboard Amiga Reset CTRL L Win R Win CTRL L Alt R Alt CTRL L Alt Del Help F12 L Amiga L Win R Amiga R Win...

Page 10: ...rs This is the list of available key assignments F1 reset type software A2000 A3000 A4000 CD32 CDTV or hardware A600 A1200 F2 R Amiga to R Alt remapping F10 displaying key codes on off F12 displaying...

Page 11: ...s the button located on top of the device or on its case with Bootloader label Below you can find the description of where the reset button and status light LED are located for a given Sum model Bootl...

Page 12: ...Sum 12 Bootloader button and status LED location for SumA600 Bootloader button and status LED location for SumA234 CD32 Bootloader Status Status Bootloader...

Page 13: ...adapter it will enable Open Hex File button Firmware update procedure looks as follows One should press Open Hex File button and choose a file containing updated firmware image which results in enabl...

Page 14: ...Sum 14 7 BIT ul Mi ostowska 23 7 Wroc aw Poland EU BDO 000007249 http 7 bit pl...

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