Integrated Main Board J1900 Quad Core — for Z-T1900G-M2 / Z-T1900G-TN / K-TJ19G-M3

Integrated main board based on the J1900 Quad Core platform, compatible with models Z-T1900G-M2, Z-T1900G-TN and K-TJ19G-M3. This replacement motherboard is intended as a direct swap for the original board in the listed units, suitable for repairs or system refreshes. Exact fit for the specified model numbers — includes the J1900 Quad Core specification as stated.