Intel 440GX User Manual
Page 63

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