However, this architecture had its quirks. Because it lacked protected memory , a single poorly written NLM could cause an "ABEND" (Abnormal End), crashing the entire server. Connectivity and Protocols
It was the first in the 3.x series to natively support installation and file access from CD-ROM drives. novell netware 3.12
NetWare 3.12 operated on a non-preemptive multitasking model. Its functionality was extended through —small pieces of software that could be loaded or unloaded without restarting the server. These modules handled everything from LAN and disk drivers to database engines like Btrieve. However, this architecture had its quirks
These features significantly boosted network performance by allowing multiple data packets to be sent without individual acknowledgments. novell netware 3.12