u/Kishersweets

I am now getting a different failure message. Could this be a bad IC?

minipro -p 28C256  -w rom.bin 

Found T48 00.1.03 (0x103)

Warning: T48 support is not yet complete!

Warning: Firmware is out of date.

  Expected  01.1.32 (0x120)

  Found     00.1.03 (0x103)

Device code: 5CA35402

Serial code: L0TH02UWL90DV4YL4K951525

Manufactured: 2025-12-0910:24

USB speed: 480Mbps (USB 2.0)

Supply voltage: 5.11 V

Use -P if you want to write-protect this chip.

Erasing... 0.20Sec OK

Writing Code...  5.54Sec  OK

Reading Code...  0.17Sec  OK

Verification failed at address 0x01FA: File=0xEA, Device=0xCA

This chip may be write-protected. Use -u and try again.

When I run mini pro -p T48 (which I purchased from /Beneater I get these error messages: minipro -p AT28C256 -w rom.bin

Found T48 00.1.03 (0x103)

Warning: T48 support is not yet complete!

Warning: Firmware is out of date.

  Expected  01.1.32 (0x120)

  Found     00.1.03 (0x103)

Device code: 5CA35402

Serial code: L0TH02UWL90DV4YL4K951525

Manufactured: 2025-12-0910:24

USB speed: 480Mbps (USB 2.0)

Supply voltage: 5.11 V

Use -P if you want to write-protect this chip.

Erasing... 0.02Sec OK

Writing Code...  5.54Sec  OK

Reading Code...  0.17Sec  OK

Verification failed at address 0x0000: File=0xEA, Device=0x00

This chip may be write-protected. Use -u and try again. I tried searching for newer Firmware but unfortunately is Windows only. I am on MacOS 27. Any Ideas?

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