Labels:text | screenshot | diagram | parallel | number | font OCR: Interrupt Descriptor Interrupt Vectors List Located in Data Located in Low Segment Memory Common Interrupt Call Service Routine CISE (CISR) Located in User Fn1 Code Segment Timer Call Fn[x] Com2 Call CISE User Fn 2 Gotten here from an intersegment call? "return address consists of segment. DS) and offset (points to user function in CS) Figure 2: Interrupt processing using a common ISR.