Table of Contents
Advertisement
®
Intel
855GME Chipset and Intel
Table 63. AGP Interface Package Lengths (Sheet 2 of 2)
Signal
GAD18
GAD19
GAD20
GAD21
GAD22
GAD23
GAD24
GAD25
GAD26
GAD27
GAD28
GAD29
GAD30
GAD31
7.2.6
AGP Routing Ground Reference
Intel strongly recommends that at least the following critical signals be referenced to ground from
the GMCH to an AGP controller connector using a minimum number of vias on each net:
•
AD_STB0
•
AD_STB0#
•
AD_STB1
•
AD_STB1#
•
SB_STB
•
SB_STB#
•
G_TRDY#
•
G_IRDY#
•
G_GNT#
•
ST[2:0]
Design Guide
®
82801DB ICH4 Embedded Platform Design Guide
Pin
Package
Number
Length (mils)
L3
541
K5
489
K1
692
K3
622
K2
685
J6
536
H1
772
H2
720
H4
625
H3
649
G3
762
H6
521
G2
712
H5
566
AGP Port Design Guidelines
Signal
Pin Number
GCBEB_3
J5
GST_0
C4
GST_1
C3
GST_2
C2
GRBFB
D3
GWBFB
D2
GFRAMEB
M6
GIRDYB
K7
GTRDYB
N7
GSTOPB
P7
GDEVSELB
N6
GREQB
B3
GGNTB
B2
GPAR
L7
Package
Length (mils)
518
750
797
856
962
947
486
751
350
423
399
762
849
623
179
Advertisement
Table of Contents
