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Intel
®
440GX AGPset Design Guide
3-3
Design Checklist
DBSY#
UP:
Connect to 82443GX;
DP
: Connect CPUs and 82443GX.
DEFER#
UP:
Connect to 82443GX;
DP
: Connect CPUs and 82443GX.
DEP[7:0] No connect.
DRDY#
UP:
Connect to 82443GX;
DP
: Connect CPUs and 82443GX.
EMI Connect to GND.
FERR#
UP:
Connect to PIIX4E, 220 ohm pull-up to 2.5V.
DP
: Connect CPUs and PIIX4E, 220 ohm pull-up to 2.5V.
FLUSH#
UP:
510 ohm pull-up to 2.5V.
DP
: Connect CPUs and 510 ohm pull-up.
FRCERR# Leave as NC.
HIT# Connect between CPUs and 82443GX.
HITM# Connect between CPUs and 82443GX.
IERR# Leave as NC.
IGNNE#
UP:
330 ohm pull-up to 2.5V. Connected to bus frequency strapping circuit.
DP
: Connect
CPUs, bus frequency strapping unit, and 330 ohm pull-up to 2.5V.
INIT#
UP
: Connect to PIIX4E, 330 ohm pull-up to 2.5V.
DP
: Connect CPUs and PIIX4E, 330 ohm pull-up to 2.5V.
LINT[1:0]
UP:
150 ohm - 330 ohm pull-up to 2.5V.
DP
: Connect CPUs and 150 ohm - 330 ohm pull-
up to 2.5V.
LOCK#
UP:
Connect to 82443GX;
DP
: Connect CPUs and 82443GX.
PICCLK Connect to CK100. 22 ohm series resistor.
PICD[1:0]
UP:
150 ohm pull-up to 2.5V.
DP
: Connect CPUs and IOAPIC and 150 ohm pull-up to
2.5V.
PRDY# 240 ohm series resistor to ITP.
PREQ# Connected to ITP. 330 ohm pull-up to 2.5V.
PWRGOOD
UP:
Requires 330 ohm pull-up to 2.5V.
DP
: Connect between CPUs.
REQ[4:0]#
UP:
Connect to 82443GX;
DP
: Connect CPUs and 82443GX.
RESET#
UP:
Connect to 82443GX, 240 ohm series resistor to ITP.
DP
: Connect CPUs and ITP with 240 ohm series resistor.
RP# Leave as NC.
RS[2:0]#
UP:
Connect to 82443GX;
DP
: Connect CPUs and 82443GX.
RSP# Leave as NC.
SLOTOCC#
UP
: Tie to GND.
DP
: Part of PWRGD logic, 8.2K ohm pull-up to 3.3V.
SLP#
UP
: 150 ohm - 330 ohm pull-up to 2.5V. Connect to PIIX4E.
DP
: Connect CPUs and PIIX4E with 150 ohm - 330 ohm pull-up to 2.5V.
SMI#
UP
: Connect to PIIX4E, 430 ohm pull-up to 2.5V.
DP
: Connect CPUs and run to jumper on APC_SMI# and PX4_SMI# (on IOAPIC). 430
ohm pull-up to 2.5V.
STPCLK#
UP
: Connect to PIIX4E, 430 ohm pull-up to 2.5V.
DP
: Connect CPUs and PIIX4E, 430 ohm pull-up.
TCK
UP
: 1K ohm pull-up to 2.5V. 47 ohm series resistor to ITP.
DP
: Separate series resistors
then hooked together to ITP. 1K ohm pull-up to 2.5V.
Table 3-1. Slot Connectivity (Sheet 2 of 3)
Processor Pin Pin Connection