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V26 of 31st March 2026 - Product Change Notification
| Product Component | M4i.xxxx PCIe base card |
| Related products | 22xx series 44xx series 66xx series 77xx series |
| New Version Code | V26 |
| Related PCB version | V1.8 |
| Estimated Start of Shipment | Immediately |
| Description of Change | Changed relays driver |
| Reason for Change | Replacement of discontinued relays driver version by official replacement part |
| Anticipated Impact | No functional change |
| Identification of Product | Hardware and PCB version readable by Spectrum Control Center and by any user program. Versions printed on Spectrum type label on backside of card |
| Required Updates for Usage | New driver version needed due to changed control pin assiciation |