Quote Originally Posted by Blazer3664 View Post
It does say
"PROM I/O succeeded"
if I hit "Read chip" now though.
Good! Then Verify Chip with Buffer should come up with Success!

4096 Byte is 4 Kilobyte so... Open the file in TunerPro with XDF loaded and check Mask ID, should say 42.

EDIT: Do you have chip at bottom of socket furthest away form handle and notch facing handle?