AT&T 3B2/300 Technical Reference Manual page 673

- - - - - - - - - - - - - - - - - Appendix: CONNECTOR AND CABLING INFORMATION
464-PIN BACKPLANE CONNECTOR, J02 (Contd)
PIN
DESCRIPTION FUNCTION
233
MULTIPLEXED ADDRESS BIT 10 (MUXAlO[l])
OUTPUT
234
MULTIPLEXED ADDRESS BIT 09 (MUXA09[1])
OUTPUT
235 BUB GRANTED SLOT 3 (BUBGT3[0])
OUTPUT
236
BUB PERIPHERAL PARITY CHECK (BPCHECK[O])
INPUT /OUTPUT
237
BUB CONNECTOR CHIP SELECT O (BCCSO[O])
OUTPUT
238 BUB DATA SIZE BIT O (BDSIZEO[l])
INPUT/OUTPUT
239 GROUND (GRD)
GROUND
240
BUB SEQUENTIAL ACCESS (BSEQACC[O]) INPUT/OUTPUT
241
NOT USED
NC
242 NOT USED
NC
243 +5V (VCC)
POWER
244 NOT USED
NC
245 NOT USED
NC
246
GROUND (GRD)
GROUND
247 BUB DATA SIZE BIT 1 (BDSIZEl[l])
INPUT/OUTPUT
248
BUB READ/WRITE (BRIW[O])
INPUT/OUTPUT
249
BUB ADDRESS BIT 02 (BA02[1])
INPUT /OUTPUT
250
BUB ADDRESS BIT 01 (BAOl[l])
INPUT /OUTPUT
251 NOT USED
NC
252 NOT USED
NC
253
BUB ADDRESS BIT 05 (BA05[1])
INPUT /OUTPUT
254
BUB ADDRESS BIT 04 (BA04[1]) INPUT /OUTPUT
255 GROUND (GRD)
GROUND
256
NOT USED
NC
257
BUB ADDRESS BIT 08 (BA08[1])
INPUT /OUTPUT
258 +5V (VCC)
POWER
259 BUB ADDRESS BIT 00 (BAOO[l])
INPUT /OUTPUT
260
BUB ADDRESS BIT 03 (BA03[1]) INPUT/OUTPUT
261 BUB ADDRESS BIT 11 (BAI l[l])
INPUT/OUTPUT
262 BUB ADDRESS BIT 10 (BAlO[l])
INPUT /OUTPUT
263
GROUND (GRD)
GROUND
264
BUB ADDRESS BIT 06 (BA06[1])
INPUT/OUTPUT
265 BUB BUSY (BUSY[O])
INPUT /OUTPUT
266 GROUND (GRD)
GROUND
267
BUB CONNECTOR CHIP SELECT 1 (BCCS![O])
OUTPUT
268
BUB ADDRESS BIT 09 (BA09[1]) INPUT/OUTPUT
269 BUB ADDRESS BIT 12 (BA12[1])
INPUT/OUTPUT
270
BUB ADDRESS BIT 15 (BA15[1])
INPUT /OUTPUT
271
BUB ADDRESS BIT 07 (BA07[1]) INPUT /OUTPUT
272 BUB ADDRESS BIT 13 (BA13[1])
INPUT/OUTPUT
273 BUB ADDRESS BIT 16 (BA16[1])
INPUT /OUTPUT
274 BUB ADDRESS BIT 18 (BA18[1]) INPUT /OUTPUT
275
+5V (VCC) POWER
276
BUB ADDRESS BIT 17 (BA17[1]) INPUT /OUTPUT
277
BUB ADDRESS BIT 19 (BAI 9[1]) INPUT /OUTPUT
278
GROUND (GRD) GROUND
279
BUB ADDRESS BIT 14 (BA14[1]) INPUT /OUTPUT
280
BUB ADDRESS BIT 20 (BA20[1]) INPUT/OUTPUT
281
BUB ADDRESS BIT 22 (BA22[1]) INPUT /OUTPUT
282
BUB ADDRESS BIT 24 (BA24[1]) INPUT /OUTPUT
283 BUB ADDRESS BIT 21 (BA21[1]) INPUT /OUTPUT
284 BUB ADDRESS BIT 23 (BA23[1]) INPUT /OUTPUT
285
BUB ADDRESS BIT 25 (BA25[1]) INPUT /OUTPUT
286 +5V (VCC)
POWER
287 NOT USED NC
288
NOT USED
NC
289 NOT USED NC
290 BUB DATA BIT 01 (BOO![!]) INPUT/OUTPUT
• CM5 l 8C System Board signal description shown in italics.
CONNECTOR AND CABLING INFORMATION B-91