How is QNX 2 different from QNX 4?
In QNX2: A) Processes are called tasks B) System is limited to 256 tasks C) No proxies, instead used “ports” which could be “signaled” D) Interrupts handlers must run masked, limited OS support E) Limited file system buffering, 64K per disk F) Only supports Corman arcnet network cards, no fault tolerance, limit of slightly less than 256 nodes, and 2Megabit/second bandwidth. G) Only GUI supported is QNX Windows H) No 32 bit code I) Limited to 16Meg of memory J) Not well supported K) No new updates anticipated 77) What new problems are QNX 2 users experiencing In addition to these limitations, users of QNX 2 are finding other problems in keeping their systems going. The speed of newer processors was not anticipated and has created a few problems. Thankfully PCI Interface EIDE drives work with the older ISA driver. Larger (> 512Meg) disks are supported with the disk.ata driver or by switching to SCSI. However no PCI/SCSI controllers are known to be supported. This also means that Fast, Ul
