82443BX Datasheet, PDF (103/132 Pages) Intel Corporation – Host Bridge/Controller

Figure 4-3. Three-DIMM SDRAM Configuration
CSA[5:4]#, CSB[5:4]#
CSA[3:2]#, CSB[3:2]#
CSA[1:0]#, CSB[1:0]#
SRASA#
SRASB#
SCASA#
SCASB#
DQMA[1,5]
DQMA[7,6,4:2,0]
DQMB[1,5]
WEA#
WEB#
MAA[13:0]
MAB[13:11#, 10, 9:0#]
MD[63:0]
MECC[7:0]
DIMM_CLK[3:0]
DIMM_CLK[7:4]
DIMM_CLK[11:8]
CKE[1:0]
CKE[3:2]
CKE[5:4]
SMB_CLK
SMB_DATA
S0/S1,S2/S3
/RAS
/CAS
DQM
WE
DQ[63:0]
CB[7:0]
CK[3:0]
CKE
SCL
SDA
Functional Description
82443BX Host Bridge Datasheet
4-17