Dell GCR-8481B Service Manual page 20

Pin No. Symbol
76 DRV 0
SS
77 VSIO2
78 VDIO2
79 PF7/T2
80 PF6/T1
81 DRV 1
DD
82 DRV 1
SS
83 PF5
84 PF4
85 PF3
86 PF2/NM1Z
87 PF1/EC2Z
88 PF0
89 PE7/CINT
90 PE6
91 PE5
92 PE4/INT4Z
93 PE3/INT3Z
94 PE2
95 PE1
96 PE0
97 VSIO3
98 PC7
99 PC6
100 PC5
101 PC4
102 PC3
103 PC2
104 PC1
105 PC0
106 PB7
107 PB6
108 PB5
109 PB4
110 PB3
111 PB2
112 PB1
113 PB0
18
I/O
Internal DRAM Exclusive GND
Digital GND
Digital Power Supply (3.3V)
(Port F)
I/O 1,0
IN/Output port as 1 bit
Internal DRAM Exclusive Power Supply
Internal DRAM Exclusive GND
(Port F)
IN/Output port as 1 bit
I/O 1,0
(Port E)
IN/Output port as 1 bit
I/O 1,0
Digital Power Supply GND
I/O 1,0 (Port C)
8 bit In/Output port
I/O 1,0 (Port B)
8 bit In/Output port
COMMENT
16 bit capture timer/counter Output port
8 bit timer/counter Output port
Non maskable interrupt input port
16 bit capture timer/counter external Event input port
16 bit capture timer/counter capture Input port
External interrupt Input port