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Anyone Know the part numbers for white duo x2 chip ic's?


shefben
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I am trying to salvage a busted white duo x2 mod chip for parts for a project im working on.

I know the larger square 'duo' chip is a xilinx xc9572xl.

but Im not sure what the larger chip is (I believe it is nand?)

I am more interested in the square 8 pin chip that has the ic part and serial number sanded off.

 

if anyone knows what the 8pin chip is, please let me know.

 

edit:  the 'amd' chip is most likely: 

16MBIT PARALLEL FLASH MEMORY 48TSOP / 

AM29LV160MT-100EI (legacy) or S29AL016J70TFI010

(taken from open xenium)

Edited by shefben
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The flash memory chip on it is going to be one of these devices (evox.ini entries for Duo X2):

  • 0x01d5,"AMD - Am29F080B",0x100000
  • 0x04d5,"FUJITSU - MBM29F080A",0x100000
  • 0xadd5," Hynix - HY29F080",0x100000

As to the 8-pin surface mount chip, I'm not sure what it is?  Looking to see if there were any pre-release photos ever posted on xbox-scene.com where the labeling was not sanded off.  I've not found anything like it.  Yet, anyway.

Have you removed the chips from the printed circuit board?

Can you post some clear hi-res photos of both the top and bottom sides of it?

 

Edit: I believe the only difference between the blue and white PCB versions of the DuoX 2 modchips were the BIOSes pre-flashed to the chip.

Blue: bank 0 - Evox M8 v1.0-1.4 version, bank 1 - Evox M8 v1.0-1.6 version

White: bank 0 - Cromwell v2.32, bank 1 - FlashBIOS 3.0.3-1

 

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I found pictures of the DuoX 2 GS modchip that doesn't have that 8-pin chip present.

From the description of the DuoX 2 modchip's operation, I think the purpose of that 8-pin surface mount chip is to flash the LED on / off when the modchip is enabled.  However, I can't tell if the current-limiting resistor connects to that chip or elsewhere on the modchip.

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