125System Address Bit 6
===========================================================================
Pin Signal
===========================================================================
126System Address Bit 8
127System Address Bit 10
128Ground
129System Address Bit 12
130System Address Bit 14
131System Address Bit 18
132System Address Bit 22
133Ground
134Memory Read Control *
135I/O Read Control *
136Refresh *
137Address Latch Enable
138Reset Drive
139Ground
140Interrupt Request 4
141Interrupt Request 7
142Interrupt Request 12
143DMA Request 1
144DMA Request 6
145DMA Acknowledge 2 *
146NC
147Expansion Network Enable *
148Expansion I/O Power Down
149Keyboard Clock
150+5V System Output
===========================================================================
Pin Signal
===========================================================================
151+5V System Output
152 Keyboard Data