Memory Mod. On F7

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24 Feb 2018 22:58 #67752 by Quell
Memory Mod. On F7 was created by Quell
I have done the search for the memory modification and I know that this chip is good to go, SST25VF032B-80-4I-S2AF SOP-8
I figured I would have to reload deviation after I put it in.
Any pointers on the install :whistle:

Maybe not to many people attempt to do the chip replacement, but a write up in the available mobifications section would be a huge help!

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25 Feb 2018 05:43 #67756 by vlad_vy
Replied by vlad_vy on topic Memory Mod. On F7
You can use different flash memory chips, from series Microchip SST25VFxxxB, Microchip SST26VFxxxB, ISSI IS25CQxxx, Winbond W25QxxBV, Macronix MX25Lxxxxx and Adesto AT25DFxx1A.

www.deviationtx.com/forum/builds/6861-ul...ilds?start=300#67544

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06 Mar 2018 20:58 #67933 by Quell
Replied by Quell on topic Memory Mod. On F7
I installed my sst25vf chip today on my F7 now im stuck. If I turn on the tx I just get a blue screen and the only way to shut it off is to disconnect the battery. I can hold down ENT and power on to go into USB screen dimly lit , but I cant get the deviation uploader or the walkera dfu application to recognize my radio.
the computer recognizes it as the f drive and it has the fs file in it but I just can't get the deviation uploader tool to recognize my radio.

deviation was running fine and the radio was binding fine even the devo.fs was working good.
HELP

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06 Mar 2018 21:01 #67934 by Quell
Replied by Quell on topic Memory Mod. On F7
I just looked in the radios fs file and it reads all YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY with little dots above the Y like 2 pages long.

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06 Mar 2018 22:00 #67935 by Quell
Replied by Quell on topic Memory Mod. On F7
I screwed up the 2nd pad down on the right-hand side, anyone knows where it goes to on an F7

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06 Mar 2018 22:45 #67937 by Quell
Replied by Quell on topic Memory Mod. On F7
well my f7 is done for I tried to check the chip connections and it went from bad to worse.
2 of the The chip pads are toast and I give up. I could handle the module install but the chip got me!

f7 on ebay for parts!!!!!

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07 Mar 2018 05:07 #67943 by vlad_vy
Replied by vlad_vy on topic Memory Mod. On F7
You can try to restore connections from flash memory chip to MCU:
www.deviationtx.com/forum/builds/6861-ul...ilds?start=180#63397

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07 Mar 2018 11:13 #67952 by Quell
Replied by Quell on topic Memory Mod. On F7
Thanks for that information Vlad, There Is Hope!!!

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07 Mar 2018 19:28 #67960 by Quell
Replied by Quell on topic Memory Mod. On F7
Vlad you are my hero for the day!
I was able to trace out all of the connections and with the information you provided me I was able to get it to work :woohoo:


Here are some pictures of the F7 connections so you don't have to cross reference things from the f12.

And a picture of the Frankenstein memory mod I have ended up with.
Attachments:

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07 Mar 2018 19:38 #67961 by Quell
Replied by Quell on topic Memory Mod. On F7
Pics are to big for posting, I need to figure out resize.

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07 Mar 2018 20:45 - 08 Mar 2018 02:42 #67963 by Quell
Replied by Quell on topic Memory Mod. On F7
Please Help Again!
At first after xms mod. I turned it on and the Devo F7 V5.0 screen came up but it only had a 1 line dispay ,and I thought everything was good it would shut right off with the switch and turn on with the switch, and it would go into USB mode when I turn it on with the ENT button down, but then...

I tried to reload my settings and stuff with the build fs tool in CMD and it seemed to go fine but now I only get a dim Deviation USB screen no matter how I turn it on.

I think all my chip connections are good or the first DEVO F7 V 5.0 screen would never come up, would it?

I just can't get the deviation uploader to recognize and show my radio is plugged in, the computer chimes and shows the fs file on the f:\ drive of the computer.... Frustrating after thinking I had it solved
Last edit: 08 Mar 2018 02:42 by Quell. Reason: spell

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08 Mar 2018 05:36 #67968 by vlad_vy
Replied by vlad_vy on topic Memory Mod. On F7
After flash memory mod you need to flash devof7-XMS firmware and simply copy filesystem from firmware archive to transmitter USB drive.

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08 Mar 2018 12:47 - 08 Mar 2018 12:49 #67969 by Quell
Replied by Quell on topic Memory Mod. On F7
I just can't get the deviation uploader to recognize and show my radio is plugged in, the computer chimes and shows the fs file on the f:\ drive of the computer.... Frustrating after thinking I had it solved
I tried driver installer 1.0 and 1.1 I tried deviation uploader 0.7 and 0.8 It wont show my radio , like i said the computer chimes and shows the f:\ drive connected just nothing linking to the deviation uploader , I tried on 2 different windows 10 computers now, so im stuck!
I double and triple checked all of the memory chip connections and they all link to the main chip with continuity on each pin that corresponds so i think thats good.
I will send this F7 to someone if they think they can get the F7 XMS on to it for me, I can pay for your time,
Last edit: 08 Mar 2018 12:49 by Quell. Reason: info

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08 Mar 2018 15:40 #67971 by vlad_vy
Replied by vlad_vy on topic Memory Mod. On F7
Try to flash with Walkera DfuSe Upgrade Tool v2.31.

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08 Mar 2018 16:26 #67973 by Quell
Replied by Quell on topic Memory Mod. On F7
I forgot to mention that I also have tried to use the Walkera Defuse upgrade tool and it does the same thing, it just won't recognize the F7, I can't get it to connect.

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11 Mar 2018 15:51 #68001 by Quell
Replied by Quell on topic Memory Mod. On F7
I will send this F7 to someone if they think they can get the F7 XMS on to it for me, I can pay for your time,

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11 Mar 2018 18:35 #68005 by Bisky
Replied by Bisky on topic Memory Mod. On F7
You mess it up with driver installer, I done it to, but I managed to get it working again.
Run the driver installer again and select Walkera USB driver and restart the computer!

After this it should work.

Ultimate 7E + range mod + 3x2 switch mod + 3in1 module
Devo F7 XMS + 4in1 module
Attachments:

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11 Mar 2018 19:47 #68008 by Quell
Replied by Quell on topic Memory Mod. On F7
OK I'm trying it right now

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11 Mar 2018 19:53 #68009 by Bisky
Replied by Bisky on topic Memory Mod. On F7
PM?

Ultimate 7E + range mod + 3x2 switch mod + 3in1 module
Devo F7 XMS + 4in1 module

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11 Mar 2018 20:03 #68010 by Quell
Replied by Quell on topic Memory Mod. On F7
Nope I tried it on 2 computers and it won't work

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