AT&T 3B2/300 Technical Reference Manual page 614

Appendix: CONNECTOR AND CABLING I N F O R M A T I O N - - - - - - - - - - - - - - - -
464-PIN BACKPLANE CONNECTOR, J02 (Contd)
PIN DESCRIPTION FUNCTION
059 MEMORY DATA BIT 17 (MD17[1]) INPUT /OUTPUT
060
MEMORY DATA BIT 18 (MD18[1]) INPUT /OUTPUT
061 MEMORY DATA BIT 19 (MD19[1]) INPUT /OUTPUT
062 GROUND (GRD) GROUND
063 MEMORY DATA BIT 20 (MD20[1]) INPUT /OUTPUT
064 MEMORY DATA BIT 21 (MD21[1]) INPUT /OUTPUT
065 MEMORY DATA BIT 22 (MD22[1]) INPUT /OUTPUT
066 MEMORY DATA BIT 23 (MD23[1]) INPUT /OUTPUT
067 MEMORY DAT A BIT 24 (MD24[1])
INPUT /OUTPUT
068
MEMORY DATA BIT 25 (MD25[1]) INPUT /OUTPUT
069
MEMORY DATA BIT 26 (MD26[1]) INPUT /OUTPUT
070 MEMORY DATA BIT 27 (MD27[1]) INPUT /OUTPUT
071 GROUND (GRD) GROUND
072 MEMORY DAT A BIT 28 (MD28[1])
INPUT /OUTPUT
073 MEMORY DATA BIT 29 (MD29[1]) INPUT /OUTPUT
074 MEMORY DATA BIT 30 (MD30[1]) INPUT /OUTPUT
075 MEMORY DATA BIT 31 (MD31[1]) INPUT /OUTPUT
076
SLOT 3 EQUIPPED (S3EQUIP[O]) INPUT
077 SLOT 3 SIZE 1 (S3SIZ1[1])
INPUT
078 +5v (VCC)
POWER
079 SLOT 3 SIZE O (S3SIZO[l])
INPUT
080 SLOT 2 EQUIPPED (S2EQUIP[O])
INPUT
081 SLOT 2 SIZE 1 (S2SIZ1[1]) INPUT
082 SLOT 2 SIZE O (S2SIZO[l]) INPUT
083 GROUND (GRD)
GROUND
084 SLOT 1 EQUIPPED (SlEQUIP[O]) INPUT
085 SLOT 1 SIZE 1 (SlSIZl[l])
INPUT
086 SLOT 1 SIZE O (SlSIZO[l])
INPUT
087 SLOT O SIZE 1 (SOSIZl[l])
INPUT
088 SLOT O EQUIPPED (SOEQUIP[O])
INPUT
089 SLOT O SIZE O (SOSIZO[l])
INPUT
090
GROUND (GRD) GROUND
091 COLUMN ADDRESS STROBE 1 (CASl[O]) OUTPUT
092
BANK ENABLE 2 (BANKEN2[0]) OUTPUT
093
COLUMN ADDRESS STROBE O (CASO[O]) OUTPUT
094 COLUMN ADDRESS STROBE 2 (CAS2[0]) OUTPUT
095
COLUMN ADDRESS STROBE 3 (CAS3[0])
OUTPUT
096 SLOT 3 BANK ENABLE 1 (S3BKEN1[0])
OUTPUT
097 SLOT 3 BANK ENABLE O (S3BKENO[O])
OUTPUT
098
SLOT 2 BANK ENABLE 1 (S2BKEN1[0]) OUTPUT
099 GROUND (GRD)
GROUND
100
SLOT 1 BANK ENABLE 1 (SlBKENl[O]) OUTPUT
101 SLOT 2 BANK ENABLE O (S2BKENO[O])
OUTPUT
102 GROUND (GRD) GROUND
103 SLOT 1 BANK ENABLE O (SlBKENO[O])
OUTPUT
104
ROW ADDRESS STROBE 1 (RASl[O]) OUTPUT
105
SLOT O BANK ENABLE O (SOBKENO[O]) OUTPUT
106
SLOT O BANK ENABLE 1 (SOBKENl[O])
OUTPUT
107 +5v (VCC)
POWER
108 ROW ADDRESS STROBE O (RASO[O])
OUTPUT
109 WRITE ENABLE 1 (WEl[O])
OUTPUT
110 GROUND (GRD)
GROUND
111 MEMORY CYCLE STATUS (G[O])
OUTPUT
112 NOT USED
NC
113
PERIPHERAL PHYSICAL ADDRESS BIT 23 (PPA23[1])
INPUT /OUTPUT
114 PERIPHERAL PHYSICAL ADDRESS BIT 19 (PPA19[1])
INPUT /OUTPUT
115 WRITE ENABLE O (WEO[O])
OUTPUT
116 BUB CONNECTOR CHIP SELECT 2 (BCCS2[0])
OUTPUT
• CM5 l 8C System Board signal description shown in
italics.
B-32 TECHNICAL REFERENCE MANUAL