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RetroRepair

United Kingdom
63 Posts
Posted - 12/23/2011 :  14:56:39  Show Profile  Reply with Quote
I'm trying to erase then write to the above IC but I can only read since there is no setting for it nor alternative in the software.

It's a DIP42 16MB Flash EEPROM. The datasheet is here (though for some reason it doesn't meantion the DIP version I have here): h**p://www.datasheetcatalog.org/datasheet/macronix/MX29L1611MC-12.pdf

Is there a way I can write/erase this IC?
Reply #1

ZLM

2945 Posts
Posted - 12/23/2011 :  19:21:41  Show Profile  Reply with Quote
I do not have DIP42 pinout informaton. It seems 27C160 series chip. ADP-054 may be the adapter.
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Reply #2

RetroRepair

United Kingdom
63 Posts
Posted - 12/24/2011 :  00:18:42  Show Profile  Reply with Quote
I found the correct datasheet for the DIP42 version: h**p://www.datasheetcatalog.org/datasheet/macronix/MX29L1611PC-10.pdf

I am using that adapter and I can read, but not erase or write using any profile.

I have no experience with Flash EEPROMs, can you advise what I should try? It seems like a modified version of the 27C160 layout would work with erase enabled. It reads fine using 27C160.

When I do a device ID check it tells me it's B8FF
Edited by - RetroRepair on 12/24/2011 00:20:46
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Reply #3

ZLM

2945 Posts
Posted - 12/25/2011 :  08:37:02  Show Profile  Reply with Quote
This chip is read compatible with 27C160. So, you can read it as 27C160.

But all others commands are different. You will not be able to write the chip with current software version.
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Reply #4

RetroRepair

United Kingdom
63 Posts
Posted - 12/25/2011 :  14:49:48  Show Profile  Reply with Quote
Oh that's a shame. Do you know if support will be added in the future or if any other programmer will write/erase these? I have loads of them :(

Hope you are having a good Christmas by the way :)
Edited by - RetroRepair on 12/25/2011 14:50:09
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Reply #5

ZLM

2945 Posts
Posted - 12/27/2011 :  10:19:38  Show Profile  Reply with Quote
If you can send a testing chip for a while, then it should not be a big problem to add this chip.
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Reply #6

RetroRepair

United Kingdom
63 Posts
Posted - 12/27/2011 :  11:06:18  Show Profile  Reply with Quote
Yes I can, no problem. Or I can do testing for you if you like.
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Reply #7

ZLM

2945 Posts
Posted - 12/29/2011 :  09:26:29  Show Profile  Reply with Quote
This one need a testing chip. Please write to support@gqelectronicsllc.com for address.
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Reply #8

RetroRepair

United Kingdom
63 Posts
Posted - 01/24/2012 :  07:26:57  Show Profile  Reply with Quote
I sent the chip a week or two ago, did you recieve it ok?
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Reply #9

RetroRepair

United Kingdom
63 Posts
Posted - 02/17/2012 :  08:30:52  Show Profile  Reply with Quote
Did you get it? I would have thought so by now?
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Reply #10

ZLM

2945 Posts
Posted - 02/17/2012 :  22:28:37  Show Profile  Reply with Quote
chip received. Sorry for the late. will let you know soon.
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Reply #11

RetroRepair

United Kingdom
63 Posts
Posted - 02/19/2012 :  06:11:07  Show Profile  Reply with Quote
Ok no problem, glad to hear it got to you ok.
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Reply #12

RetroRepair

United Kingdom
63 Posts
Posted - 04/14/2012 :  00:32:10  Show Profile  Reply with Quote
Any progress on this? I could really do with using these chips I have here now.
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Reply #13

Bad_Ad84

210 Posts
Posted - 04/16/2012 :  00:35:29  Show Profile  Reply with Quote
You are free to send me the chips + data to write to them and I will program them for you.
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Reply #14

RetroRepair

United Kingdom
63 Posts
Posted - 04/16/2012 :  08:22:59  Show Profile  Reply with Quote
That's very much appreciated, thanks. If ZLM hasn't got them added yet I'll take you up on that if I can.
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Reply #15

Bad_Ad84

210 Posts
Posted - 04/18/2012 :  02:10:33  Show Profile  Reply with Quote
Drop me a PM (or email it seems in this forum software??).
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Reply #16

ZLM

2945 Posts
Posted - 04/25/2012 :  23:38:48  Show Profile  Reply with Quote
RetroRepair, We tried but we are unable to added this chip this one. Read only. New adapter needed in order to erase and write the chip. Sorry.
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