Intel Q9400S Data Sheet - Page 27
Table 2-6., FSB Signal Groups Sheet 2 of 2, Table 2-7., Signal Characteristics, Table 2-8., Signal
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Electrical Specifications Table 2-6. FSB Signal Groups (Sheet 2 of 2) Signal Group Type Signals1 GTL+ Strobes CMOS Open Drain Output Open Drain Input/Output FSB Clock Power/Other Synchronous to BCLK[1:0] ADSTB[1:0]#, DSTBP[3:0]#, DSTBN[3:0]# A20M#, DPSLP#, DPRSTP#, IGNNE#, INIT#, LINT0/ INTR, LINT1/NMI, SMI#3, STPCLK#, PWRGOOD, SLP#, TCK, TDI, TDI_M, TMS, TRST#, BSEL[2:0], VID[7:0], PSI# FERR#/PBE#, IERR#, THERMTRIP#, TDO, TDO_M Clock PROCHOT#4 BCLK[1:0], ITP_CLK[1:0]2 VCC, VTT, VCCA, VCCIOPLL, VCCPLL, VSS, VSSA, GTLREF[3:0], COMP[8,3:0], RESERVED, TESTHI[10,7:0], VCC_SENSE, VCC_MB_REGULATION, VSS_SENSE, VSS_MB_REGULATION, DBR#2, VTT_OUT_LEFT, VTT_OUT_RIGHT, VTT_SEL, FCx, PECI, MSID[1:0] . Table 2-7. Table 2-8. NOTES: 1. Refer to Section 4.2 for signal descriptions. 2. In processor systems where no debug port is implemented on the system board, these signals are used to support a debug port interposer. In systems with the debug port implemented on the system board, these signals are no connects. 3. The value of these signals during the active-to-inactive edge of RESET# defines the processor configuration options. See Section 6.1 for details. 4. PROCHOT# signal type is open drain output and CMOS input. Signal Characteristics Signals with RTT A[35:3]#, ADS#, ADSTB[1:0]#, BNR#, BPRI#, D[63:0]#, DBI[3:0]#, DBSY#, DEFER#, DRDY#, DSTBN[3:0]#, DSTBP[3:0]#, HIT#, HITM#, LOCK#, PROCHOT#, REQ[4:0]#, RS[2:0]#, TRDY# Signals with No RTT A20M#, BCLK[1:0], BSEL[2:0], COMP[8,3:0], FERR#/PBE#, IERR#, IGNNE#, INIT#, ITP_CLK[1:0], LINT0/INTR, LINT1/ NMI, MSID[1:0], PWRGOOD, RESET#, SMI#, STPCLK#, TDO, TDO_M, TESTHI[10,7:0], THERMTRIP#, VID[7:0], GTLREF[3:0], TCK, TDI, TDI_M, TMS, TRST#, VTT_SEL Open Drain Signals1 THERMTRIP#, FERR#/PBE#, IERR#, BPM[5:0]#, BPMb[3:0]#, BR0#, TDO, TDO_M, FCx NOTES: 1. Signals that do not have RTT, nor are actively driven to their high-voltage level. Signal Reference Voltages GTLREF BPM[5:0]#, BPMb[3:0]#, RESET#, BNR#, HIT#, HITM#, BR0#, A[35:0]#, ADS#, ADSTB[1:0]#, BPRI#, D[63:0]#, DBI[3:0]#, DBSY#, DEFER#, DRDY#, DSTBN[3:0]#, DSTBP[3:0]#, LOCK#, REQ[4:0]#, RS[2:0]#, TRDY# VTT/2 A20M#, LINT0/INTR, LINT1/NMI, IGNNE#, INIT#, PROCHOT#, PWRGOOD1, SMI#, STPCLK#, TCK1, TDI1, TDI_M1, TMS1, TRST#1 NOTE: 1. See Table 2-10 for more information. Datasheet 27