Intel VC820 Design Guide - Page 75
Processor CMOS Pullup Values, Table 2-13. Processor and 82820 MCH Connection Checklist
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Layout/Routing Guidelines 2.11 Processor CMOS Pullup Values Table 2-13 contains the pullup values for the Intel® Pentium® III processor with the Intel® 820 chipset. This table supports both single and dual processor configurations. Table 2-13. Processor and 82820 MCH Connection Checklist1,2 CPU Pin UP Pin Connection (CPU0) DP Pin Connection (CPU1) AGTL+ Signals A[35:3]# 1 ADS# 1 Connect A[31:3]# to MCH. Leave A[35:32]# as N/C (not supported by chipset). Connect to MCH Connect A[31:3]# to 2nd processor Connect to 2nd processor AERR# Leave as N/C (not supported by chipset). Leave as N/C AP[1:0]# Leave as N/C (not supported by chipset). Leave as N/C BERR# Leave as N/C (not supported by chipset). Leave as N/C BINIT# BNR# 1 Leave as N/C (not supported by chipset). Connect to MCH Leave as N/C Connect to 2nd processor BP[3:2]# Leave as N/C Leave as N/C BPM[1:0] BPRI# 1 Leave as N/C Connect to MCH Leave as N/C Connect to 2nd processor BREQ0# (BR0#) 10 Ω pull down to GND See and BREQ1# (BR1#) Leave as N/C D[63:0]# 1 Connect to MCH DBSY# 1 Connect to MCH DEFER# 1 Connect to MCH See and Connect to 2nd processor Connect to 2nd processor Connect to 2nd processor DEP[7:0]# DRDY# 1 HIT# 1 HITM# 1 LOCK# 1 REQ[4:0]# 1 RESET# 1 Leave as N/C (not supported by chipset). Leave as N/C Connect to MCH Connect to 2nd processor Connect to MCH Connect to 2nd processor Connect to MCH Connect to 2nd processor Connect to MCH Connect to 2nd processor Connect to MCH Connect to 2nd processor Connect to MCH, 240 Ω series resistor to ITP Connect to 2nd processor RP# RS[2:0]# 1 Leave as N/C (not supported by chipset). Connect to MCH Leave as N/C Connect to 2nd processor RSP# TRDY# 1 Leave as N/C (not supported by chipset). Connect to MCH Leave as N/C Connect to 2nd processor Intel®820 Chipset Design Guide 2-49