153Expansion Device Ready

154NC

155DMA Acknowledge 6 *

156DMA Acknowledge 3 *

157DMA Request 7

158DMA Request 2

159Interrupt Request 14

160Interrupt Request 9

161Ground

162System Clock

163Ground

164DMA Cycle Indicator

16516-Bit I/O Cycle *

166I/O Write Control *

167Memory Write Control *

168Ground

169System Address Bit 23

170System Address Bit 19

171System Address Bit 15

172System Address Bit 13

173Ground

174System Address Bit 11

175System Address Bit 9

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Pin Signal

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176System Address Bit 7

177Ground

178System Address Bit 5

179System Address Bit 3

180System Address Bit 1

181Ground