Agp Interface; Resistor Recommendations - Intel 855PM Design Manual

R
14.7.

AGP Interface

14.7.1.

Resistor Recommendations

Pin Name
AD_STB[1:0]
AD_STB[1:0]#
DEVSEL#
FRAME#
GNT#
IRDY#
REQ#
STOP#
TRDY#
PIPE#
RBF#
WBF#
SB_STB
SB_STB#
VCCAGP[15:0]
NOTE: Default tolerance for resistors is +/-5% unless otherwise specified.
®
Intel 855PM Chipset Platform Design Guide
Intel 855PM MCH AGP Interface – Resistor Recommendations
System
Pull up/Pull
down
See Notes
See Notes
See Notes
See Notes
See Notes
Intel(R) Intel 855PM MCH AGP Interface – Power Signals
Tie to Vcc1_5
Series
Damping
Point to point connection to AGP controller.
MCH has an internal pull up. External pull up is
NOT required.
Point to point connection to AGP controller.
MCH has an internal pull down. External pull
down is NOT required.
Point to point connection to AGP controller.
MCH has an internal pull up. External pull up is
NOT required.
Point to point connection to AGP controller.
MCH has an internal pull up. External pullup is
NOT required.
Connect directly to AGP controller.
MCH has an internal pull down. External pull
down is NOT required.
Also see Section 11.7.5 for decoupling
requirement.
Platform Design Checklist
Notes
303