Standard Features 39
29 41 DOS CON Dev. Raw Output Same as Real Mode
2A 42 DOS 3.x+ Network Comm Same as Real Mode
2B 43 DOS Internal Use Same as Real Mode
2C 44 DOS Internal Use Same as Real Mode
2D 45 DOS Internal Use Same as Real Mode
2E 46 DOS Internal Use Same as Real Mode
2F 47 DOS Print Spooler Driver Same as Real Mode
30-60 48-96 Reserved by DOS Same as Real Mode
61-66 97-102 User Available Same as Real Mode
67-6F 103-111 Reserved by DOS Same as Real Mode
70 112 IRQ8 Real-Time Clock
71 113 IRQ9 Redirect to IRQ2
72 114 IRQ10 Not Assigned
73 115 IRQ11 Not Assigned
74 116 IRQ12 Mouse
75 117 IRQ13 Math Coprocessor
76 118 IRQ14 AT Hard Drive
77 119 IRQ15 Flash Drive
78-7F 120-127 Reserved by DOS Same as Real Mode
80-F0 128-240 Reserved for BASIC Same as Real Mode
F1-FF 241-255 Reserved by DOS Same as Real Mode
Table 2-4 Interrupt Vector Table (Continued)
Interrupt No.
IRQ Line Real Mode Protected Mode
HEX DEC
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