being a specific maintenance rebuild aimed at addressing bugs and security vulnerabilities. Key Features and Capabilities
Do not attempt to load this .bin onto a 2960, 3560 (non-E), or 3650. It will cause a boot loop or a ROMmon recovery situation. c3750e-universalk9-mz.150-2.se11.bin
So, yes, 1/0/x and 2/0/x means switch was part of stack, aka stack-wise. Try delete starting-up configuration file (start-up text) Cisco Community %DC-4-FILE_OPEN_WARNING - Cisco Community Technical Profile: c3750e-universalk9-mz
