Lenovo ThinkPad 770X Technical Reference Manual for the ThinkPad 770 - Page 33
Pin External Bus Connector Pin Assignments
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Pin Type Signal Name 121 C 122 P 123 G 124 T 125 T 126 T 127 T 128 T 129 G 130 P 131 P 132 P 133 I 134 G 135 V 136 V 137 V 138 V 139 G 140 L 141 L 142 L 143 L 144 G 145 L 146 L 147 L 148 L 149 L 150 G 151 G 152 L 153 F 154 G 155 F 156 F 157 F 158 F 159 G 160 F 161 F 162 F 163 F 164 G 165 C 166 C 167 C 168 M 169 G 170 J 171 J 172 J 173 J 174 G 175 C 176 C 177 R 178 U 179 G 180 C -DOCK_ID1 IRQSER GND IRQ5 IRQ7 IRQ10 IRQ11 IRQ14 GND -INTB -INTC -INTD -DASP GND CRTID0 CDTID2 DDCCLK_ID3 CRT_RED GND SLCT PE BUSY D7 GND D3 D2 D1 D0 AFD GND GND -ERR -WRDATA GND DRVSEL1 -DRVID0 -MEDID0 DRATE1 GND -STEP -MEDID1 -TRACK0 -WPROTECT GND -PWRON POWERGOOD UNI_SMI SPKR GND JAB1 JAB2 JACX JACY GND I2C_CLK SUSCLK Reserved USB_OC1 GND -DOCK_ID3 Pin Type Signal Name 181 C 182 G 183 U 184 U 185 R 186 G 187 C 188 J 189 J 190 J 191 G 192 J 193 J 194 J 195 C 196 G 197 C 198 M 199 F 200 G 201 F 202 F 203 F 204 F 205 G 206 F 207 F 208 F 209 F 210 G 211 G 212 L 213 L 214 L 215 G 216 L 217 L 218 L 219 L 220 G 221 V 222 G 223 V 224 V 225 V 226 V 227 G 228 I 229 I 230 G 231 P 232 I 233 T 234 T 235 T 236 T 237 T 238 T 239 G 240 C -DOCK_ID2 GND USBP1UDBP1+ Reserved GND 12C_DATA JBCY JBCX JBB2 GND JBB1 MIDIOUT MIDIIN -PWRSWITCH GND -BUSSUSSTAT -PCMCIA_RI -SIDE1SEL GND DRATE0 -WREN -DRVID1 -DIR GND -MOTEN1 -DISKCHG -INDEX -RDDATA GND GND -STB -INIT -SLIN GND D4 D5 D6 -ACK GND CRT_GREEN GND CRT_BLUE DDCDATA_ID1 VSYNC HSYNC GND -PHLDA -PHLD GND -INTA IDE2IRQ IRQ15 IRQ12 IRQ9 IRQ6 IRQ4 IRQ3 GND -DOCK_ID0 Figure 2-7. 240-Pin External Bus Connector Pin Assignments System Board 2-11
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