Datasheet

Ballout and Package Information
R
126 Intel
®
82845 MCH for DDR Datasheet
Figure 6. Intel
®
82845 MCH Ballout Diagram (Top View—Left Side)
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AJ
VSS VCC1_5 VTT VTT VTT VSS VSS
AH SBA0 SBA1 G_GNT# VSS VSS VSS HD61# HD57#
AG VCC1_5 SBA2 SBA3 ST2 ST0 G_REQ# VTT VSS VTT VSS VTT VSS HD56# HD55# HD54#
AF SB_STB SB_STB# VSS ST1 VCC1_5 PIPE# VSS VTT VSS VTT VSS HD59# VSS
AE VSS SBA4 SBA5 VCC1_5 SBA7 SBA6 WBF# RBF# VTT VSS VTT VSS CPURST# HD63# HD60#
AD NC NC GRCOMP G_AD31 VCC1_5 VSS VCC1_5 VTT VSS VTT HD62# VSS DBI3#
AC VCC1_5 AD_STB1# AD_STB1 VSS G_AD28 G_AD29 VSS G_AD30 VSS VSS VTT VSS HD58# HDSTBP3#
HDSTBN
3#
AB G_AD20 G_AD22 G_AD19 G_AD27 G_AD24 VSS VCC1_5 VTT VSS VTT HVREF VSS VSS
AA VSS G_AD18 G_AD21 VCC1_5 G_AD26 G_AD25 G_CBE3# VCC1_5 AGPREF
Y G_AD16 G_AD17 G_CBE2# G_FRAME# G_AD23 VSS
W VCC1_5 G_DEVSEL# G_IRDY# VSS G_PAR G_TRDY# G_STOP# VCC1_5
V G_AD9 G_AD8 G_CBE0# G_AD15 G_CBE1# VSS
U VSS G_AD7 G_AD6 VCC1_5 G_AD14 G_AD13 G_AD11 VCC1_5 VSSA1 VCC1_5 VSS
T G_AD5 G_AD4 G_AD2 G_AD12 G_AD10 VSS VCCA1 VSS VCC1_5
R VCC1_5 G_AD1 G_AD0 VSS G_AD3 AD_STB0 AD_STB0# VCC1_5 VSS VCC1_5 VSS
P HLRCOMP HI_REF HI_0 HI_1 HI_3 66IN VCC1_5 VSS VCC1_5
N VSS HI_9 HI_2 VCC1_8 HI_STB HI_STB# VCC1_8 VSS VSS VCC1_5 VSS
M HI_8 HI_4 HI_5 HI_10 VSS VCC1_8
L VCC1_8 HI_6 HI_7 VSS VCC1_8 VSS VCCSM VSS
K VSS VCCSM RSVD VCCSM RSVD VCCSM
J VSS SMRCOMP RSTIN# VSS RSVD SCK1 RSVD VSS SDREF
H RSVD TESTIN# SDQ4 VCCSM SCKE2 VCCSM VSS VCCSM VSS VCCSM VSS VCCSM VSS
G VCCSM SDQ0 SDQ5 VSS SCK#1 SCK#4 SCKE0 SMA12 SMA7 SMA8 SMA4 SMA3 RSVD RSVD SCK3
F SDQ1 SDQS0 SDQ6 VSS SCKE3 VCCSM SMA9 VSS SMA6 VCCSM SMA1 VSS SCK#0
E VSS SDQ3 SDQ8 VSS SDQ15 SCK4 SDQ17 SCKE1 SDQ19 SMA11 SDQ29 SMA5 SDQ31 SMA2 SDQS8
D SDQ13 SDQ14 VCCSM SDQ16 VCCSM SDQ22 VSS SDQ25 VCCSM SDQ27 VSS SCB1 VCCSM
C VCCSM SDQ2 SDQ9 SDQS1 SDQ11 SDQ20 SDQS2 SDQ18 SDQ24 SDQ28 SDQ26 SDQ30 SCB5 SCB0 SCB6
B SDQ7 SDQ12 SDQ10 SDQ21 SDQ23 SDQS3 SCB4 SCB2
A VSS VCCSM VSS VCCSM VSS VCCSM VSS
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NOTES:
1. NC = No Connect.
2. RSVD = These pins should not be connected and should be allowed to float.
3. VSS = Connect to ground.