49.8 I/O Graphs

Figure 49-50. 
Figure 49-51. 
Figure 49-52. 
Figure 49-53. 
Figure 49-54. 
Figure 49-55. 
Figure 49-56. 
Figure 49-57. 
Figure 49-58. 
Figure 49-59. 
Figure 49-60. 
Figure 49-61. 
Figure 49-62. 
Figure 49-63.