A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
All Caps are 10pF and
are a Stuffing Option
for EMI Reductions
**Locate R196 close to CKBF and
R98 close to 443BX.
All Caps are 10pF and
are a Stuffing Option
for EMI Reductions
**Locate "T" and cap close to BX.
**Please Note **
These clock
assignments may
not be optimum.
** TESTIN# pullup may be removed after
validation has been completed.
Example: if DCLK[0-11] = 2.5"
then DCLKREF = 2.5" + 2.5".
slave address =
1101001b
*The unused SDRAM
clocks may be disabled
using the SMBus
interface.
** Please make DCLKREF trace length equal to 2.5" more
than the DCLK outputs to the DIMMs. DCLK outputs to
the DIMMs should all be the same recommended length.
3 DEVICE AGP 1.0
82443BX SYSTEM AND DRAM INTERFACES
INTEL CORPORATION
GRAPHICS COMPONENTS DIVISION
1900 PRAIRIE CITY RD. FM5-79
FOLSOM, CA 95630
Custom
6 4122:16:57
Title
Size Document Number Rev
Date: Sheet of
DQMA0
HA#9
HREQ#4
HREQ#3 DQMA3
MAB#2
DCLKREF
CS_A#3
CS_B#4
HA#7
CS_A#2
MAB#11
RS#0
HA#22
MAB#13
HREQ#1
HA#14
MAB#7
HA#31
MAB#0
CS_B#3
MAB#1
HA#13
MAB#9
MAB#6
HA#20
MAB#3
MAA11
CKE5
HA#30
CKE0
DCLKREF
HA#28
HA#3
HA#8
CKE2
MAA3
HA#24
MAA4
HA#5
HA#18
DQMA2
MAB10
HA#27
DQMA6
DQMA7
HA#26
CS_A#1
CS_B#0
HA#29
CS_B#5
HA#25
MAA6
MAB#4
HA#6
MAA5
HA#15
DQMB1
HA#10
HA#19
DQMA5
DQMA4
RS#2
MAB#5
HA#4
CKE4
HA#17
MAA7
MAA2
CS_A#5
DQMA1
MAA0
CKE1
HA#21
HA#12
MAA12
MAA13
MAA10
HA#23
MAA1
MAA8
HREQ#2
CS_A#4
HREQ#0
MAB#8
CS_B#1
DQMB5
MAB#12
CS_A#0
HA#11
MAA9
RS#1
HA#16
CKE3
CS_B#2
CRESET#
DCLK8
DCLK6
DCLK2
DCLK1
DCLK7
DCLK4
DCLK11
DCLK3
DCLK0
DCLK10
DCLK9
DCLK5
VCC3
VCC3
VCC3
VCC3
C358
100pF
R150 0
C306C363
22pF
82443BX
492 BGA
SYSTEM INTERFACE
DRAM INTERFACE
U18-1
443BX_10
AD13
M26
AC12
AF16
AA17
K21
AE12
AB14
AC16
AD16
AE17
AF12
G25
AB13
AD19
AC17
AE18
AD17
AF18
A3
B23
AE19
AB17
M25
H22
AF19
G23
AF17
H24
AB18
AC18
AB16
H23
H26
AB19
G24
AF20
AC19
L23
F26
AE20
AC20
AD20
AB20
AF21
J26
AC21
G26
AF25
AE21
AD21
K23
AF22
G22
L24
F22
K22
AF15
F23
AE15
AC15
F24
AD15
H25
AE16
AE24
F25
AD23
L22 AE25
K26
AD24
AD26
E23
AC24
AC26
L26
AB23
AC23
E26
AF24
E25
AC13
L25
AC25
D25
AB26
AE14
D26
AC14
J22
AA22
B25
AA24
AE13
C26
AD14
AC22
A25
AF23
AB21
C25
AD25
J23
AB22
A24
D24
C23
K24
B24
C24
K25
A23
E22
D23
J25
N23
B26
AE22
AE23
P22
A1
A14
A26
C5
C9
C18
C22
E3
E12
E15
E24
F6
F8
F19
F21
H6
H21
J3
J24
V21
Y21
F7
F9
F18
F20
G6
G21
J6
J21
AA7
AA9
AA18
AA20
DQMA0
CRESET#
WE_B#
SRAS_A#
SRAS_B#
ADS#
WE_A#
CSA0#
MAB1#
MAB0#
MAA2
SCAS_A#
HA3#
SCAS_B#
MAB5#
MAA3
MAB4#
MAB2#
MAA4
PCIRST#
CPURST#
MAA5
MAB3#
TESTIN#
HA4#
MAA6
HA5#
MAA0
BNR#
MAB6#
MAA7
MAA1
HA6#
BPRI#
MAB7#
HA7#
MAB8#
MAA8
DBSY#
HA8#
MAA9
MAB9#
MAA10
MAB10
MAA11
DEFER#
MAA12
HA9#
MAA13
MAB11#
MAB12#
DRDY#
MAB13#
HA10#
HIT#
HA11#
HLOCK#
CSA1#
HA12#
CSA2#
CSA3#
HA13#
CSA4#
HTRDY#
CSA5#
CKE2/CSA6#
HA14#
CKE3/CSA7#
HITM# CSB0#
RS#0
CSB1#
CSB2#
HA15#
CSB3#
CSB4#
RS#1
CSB5#
CKE4/CSB6#
HA16#
CKE5/CSB7#
HA17#
DQMA1
RS#2
DQMA2
HA18#
DQMA3
DQMA4
HA19#
DQMA5
HREQ#0
DQMA6
HA20#
DQMA7
DQMB1
HA21#
DQMB5
CKE0/FENA
HA22#
CKE1/GCKE
DCLKO
HA23#
DCLKWR
HREQ#1
DCLKRD
HA24#
HA25#
HA26#
HREQ#2
HA27#
HA28#
HREQ#3
HA29#
HA30#
HA31#
HREQ#4
HCLKIN
BREQ0#
RESVA
RESVB
RESVC
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
C364
.01uF
C305
R99
8.2K
C308
L15
FBHS01L
2 1
C361
.01uF
355
.01uF
C312
R196
47
C307
100pF
CKBF
U28
CKBF
36
10
15
40
36
35
3224
25
5
8
9
13
14
17
18
31
4
41
44
45
21
28
19
22
27
30
34
39
43
26
7
12
16
20
29
33
37
42
46
23
38
11
1
2
47
48
VDDVSS
VSS
VSS
SDRAM12
SDRAM11
SDRAM10
SDRAM9SDATA
SCLOCK
SDRAM1
SDRAM2
SDRAM3
SDRAM4
SDRAM5
SDRAM6
SDRAM7
SDRAM8
SDRAM0
SDRAM13
SDRAM14
SDRAM15
SDRAM16
SDRAM17
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSSIIC
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDDIIC
OE
BUF_IN
RESV
RESV
RESV
RESV
C313
100pF
C311
R192 0
R198 0
C314
.01uF
R153 0
R98
22
R151 0
C310
100pF
R199 0
R152 0
C337
470pF
R156 0
R155 0
C309
C338
0.01uF
C362
100pF
C304
.01uF
R195 0
C352
.01uF
+
C315
22uF
+
C339
22uF
R197 0
R154
4.7k
R100
10K
R193
0
C354
C360C357
C353
R194 0
C359
C356
SMBDATA3,9,10,11,13,28,33
SRAS_B#11
HRESET#4,5,27
CKE[5:4]11
WE_B#11
RS#[2:0]4,27
BNR#4,27
CKE09
HLOCK#4,27
CS_A#[5:4]11
DQMB511
SRAS_A#9,10
BREQ0#4,27
PCIRST#12,15,16,17,38
DQMA[7:0]9,10,11
MAB#[13:0]11
HTRDY#4,27
HIT#4,27
HITM#4,27
DCLK[11:0]9,10,11
CS_A#[1:0]9
CRESET#25
CS_B#[3:2]10
CS_A#[3:2]10
DQMB111
SCAS_A#9,10
SCAS_B#11
WE_A#9,10
BPRI#4,27
SMBCLK3,9,10,11,13,28,33
CKE19
CS_B#[1:0]9
CKE[3:2]10
BXHCLK5
ADS#4,27
DEFER#4,27
MAA[13:0]9,10
HA#[31:3]4,27
CS_B#[5:4]11
HREQ#[4:0]4,27
DBSY#4,27
DRDY#4,27
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