Help unbricking DS418 (8 replies)

I'm kinda new to linux and Synology, 1-2 years, and being used to windows, I killed power while upgrading from DSM 6 to DSM 7. DON'T do that! Mistakes make you learn so much.... :( I tried my best following bignellrp's post https://forum.doozan.com/read.php?3,100059

Here's where I am at. Console up and running, i can set and save env's but cant get eht0 turned on for TFTP. USB START recognizes the controllers but wont see usb storage device (i tried several down to FAT16) so....

I resorted to ymodem zimage and rd.bin using Teraterm using the same memory locations from bignellrp's post. uboot shows the correct file size transferred. I tried files from DSM 6 & 7. When I attempt bootm 0x2000000 0x8000000 i get the following error.

Wrong Image Format for bootm command
ERROR: can't get kernal image!

I have a working DS418 and I compared the ENV variables and everything matches. Then I commpared terminal output on boot and noticed the following; (trying to keep the post short and ledgible, I'll post more if needed)

WORKING UNIT:

SPI start addr(remap) = 0x88200000
DDR start addr = 0x0b000000
reading byte size = 0x002f0000
Uncompressed size: 7766536 = 0x768208

SPI start addr(remap) = 0x881c0000
DDR start addr = 0x0b000000
reading byte size = 0x00040000
Uncompressed size: 785544 = 0xBFC88

SPI start addr(remap) = 0x88100000
DDR start addr = 0x01f00000
reading byte size = 0x00010000

SPI start addr(remap) = 0x884f0000
DDR start addr = 0x02200000
reading byte size = 0x003ff000
Start Boot Setup ...



BRICK

SPI start addr(remap) = 0x88200000
DDR start addr = 0x0b000000
reading byte size = 0x002f0000

SPI start addr(remap) = 0x881c0000
DDR start addr = 0x0b000000
reading byte size = 0x00040000
Uncompressed size: 785544 = 0xBFC88

SPI start addr(remap) = 0x88100000
DDR start addr = 0x01f00000
reading byte size = 0x00010000

SPI start addr(remap) = 0x884f0000
DDR start addr = 0x02200000
reading byte size = 0x003ff000
Start Boot Setup ...


Any assistance is greatly appreciated.

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