![](https://csdnimg.cn/release/download_crawler_static/88673319/bg9.jpg)
A
A
B
B
C
C
D
D
E
E
1 1
2 2
3 3
4 4
W=5mils
W=5mils
W=5mils
place
closely to
VT8606
** Place as close to
VT8606 as
possible.
NC PINs
TwisterT(VIA_VT8606)-B
MA4 L DISABLE INTA# CLAIM
H ENSABLE INTA# CLAIM
MA3 L DISABLE I/O ACCESS
H ENABLE I/O ACCESS
MA2 L ADDRESS MAPPING 1
H ADDRESS MAPPING 0
MA12 MA8
00=66 MHZ
01=AUTO
11 = 133 MHZ
10 = 100 MHZ
CPU FSB FREQ.
MA6 GTL INTRNAL PULLUPS
0 ENABLE
1 DISABLE
+3VS +- 5%
PIR(14,35)
PIR(17)
PIR(26)
PIR(26)
401196
2A
SCHEMATIC, M/B LA-1044
B
944
,
*+,
17, 2002
-.
Compal Electronics, Inc.
Title
Size Document Number Rev
Date: Sheet
of
MMD[0..63]
MMA[0..14]
MMA4
MMA3
MMA2
MMA6
MMA8
MMA12
MMD7
MMD14
MMD26
MMD27
MMD28
MMD29
RRAS2#
RRCAS#7
MMD10
MMD42
MMA1
MMA11
RRAS3#
RRCAS#3
MMD6
MMD30
MMA7
VSUS25
MMD22
MMD44
CKE2_1
DCLKO_R
MMD43
MMA0
MMA3
MMA5
MMA13
MMD61
MMD62
MMD63
S_CASA#
CRESET#
MMD19
MMD45
MMD46
RM_WEA#
MMD0
MMD23
MMD25
MMD39
MMD40
MMA6
MMA10
MMA12
CKE0_1
MMD8
MMD9
MMD11
MMD12
MMD35
RRCAS#0
MMD34
MMD54
MMD55
MMA9
RRCAS#1
CKE1_1
MMD48
MMD49
MMD50
MMD59
MMD60
RRAS1#
MMD13
MMD15
MMD16
MMD17
MMD21
MMD24
MMD47
MMA2
MMD31
MMD32
MMD33
MMD36
MMD38
MMD56
MMD57
MMD58
RRCAS#6
MMD1
MMD51
MMD52
MMD53
MMD18
MMD20
MMD37
MMA4
RRCAS#4
RRCAS#5
MMD2
MMD3
MMD4
MMD5
MMD41
MMA8
MMA14
RRAS0#
RRCAS#2
CKE3_1
S_RASA#
VSUS25
+3VS
+3VS +VCPU_IO
+VCPU_IO
+3V
+3VS
+3VS
+3VS
+3VS
+3VS
+VCPU_IO +VCPU_IO
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS,INC. AND CONTAINS CONFIDENTIAL
AND TRADE SECRET INFORMATION . THIS SHEET MAY NOT BE TRANSFERRED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS,INC. NEITHER THIS SHEET NOR THE INFORMATION CONTAINS MAY BE
USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS,INC.
C356
.1UF_0402
12
C329
.01UF_0402
12
C349
.1UF_0402
12
R234
10_0402
1 2
C365
@22PF_0402
12
C345
15PF_0402
12
R240 22_0402
1 2
R239 22_0402
1 2
R252 22_0402
1 2
R256 22_0402
1 2
R257 33_0402
1 2
R245 33_0402
1 2
R251 33_0402
1 2
C348
.1UF_0402
12
C331
.1UF_0402
12
C296
.01UF_0402
12
C297
.01UF_0402
12
C277
1000PF_0402
12
R265
4.7K_0402
12
R253 33_0402
1 2
R238 10_0402
1 2
R247 10_0402
1 2
R246 10_0402
1 2
R65 @10K_0402
1 2
R255 @10K_0402
1 2
R254 @10K_0402
1 2
R66 10K_0402
1 2
R67 10K_0402
1 2
R64 @10K_0402
1 2
RP30 8P4R_22_0804
1 8
2 7
3 6
4 5
RP35 8P4R_22_0804
1 8
2 7
3 6
4 5
R241
18_0402
1 2
VT8606
TwisterT
DRAM INTERFACE
U7B
VIA_VT8606
M23
K25
L26
L25
M26
M24
N26
N24
P23
P25
R23
R25
P22
T23
T25
T22
AD22
AF22
AB21
AE21
AB20
AD20
AE20
AC19
AF19
AC18
AE18
AD17
AF17
AB17
AE16
AC16
K26
L23
M22
L24
M25
N23
N25
N22
P26
P24
R26
R24
R22
T26
T24
U23
AE22
AC21
AD21
AF21
AC20
AF20
AB19
AE19
AB18
AD18
AA19
AE17
AC17
AD16
AF16
AB16
AA23
AB23
AB26
AB25
AB24
AC26
AC25
AC24
AD26
AD25
AE26
AD24
AE24
AE25
AF25
Y26
Y25
Y24
Y23
Y22
W21
V23
W23
AF24
AE23
W26
W25
AD23
AF23
AA24
AA25
AA26
U22
V25
V24
U24
U25
U26
J22
K22
V22
W22
AB22
AA22
G6
H6
W6
Y6
AA7
AA10
AA17
AA20
U21
Y21
L4
T4
AC22
K24
E22
AD14
AE15
AA18
AA9
J6
V6
V21
R21
F7
F10
F12
F17
K21
G21
F20
F18
J21
F9
F19
E11
M11
R11
L12
T12
P1
AF1
D4
AC4
F6
P6
AA6
C8
AD8
A9
N9
P9
AF9
F13
J13
V13
L13
M13
N13
P13
R13
T13
AA13
AD13
C14
J14
V14
L15
T15
M16
R16
N18
P18
M21
T21
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MD8
MD9
MD10
MD11
MD12
MD13
MD14
MD15
MD16
MD17
MD18
MD19
MD20
MD21
MD22
MD23
MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31
MD32
MD33
MD34
MD35
MD36
MD37
MD38
MD39
MD40
MD41
MD42
MD43
MD44
MD45
MD46
MD47
MD48
MD49
MD50
MD51
MD52
MD53
MD54
MD55
MD56
MD57
MD58
MD59
MD60
MD61
MD62
MD63
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9
MA10
MA11
MA12
MA13
MA14
RAS0#/CS0#
RAS1#/CS1#
RAS2#/CS2#
RAS3#/CS3#
RAS4#/CS4#
RAS5#/CS5#
DQM0/CAS0#
DQM1/CAS1#
DQM2/CAS2#
DQM3/CAS3#
DQM4/CAS4#
DQM5/CAS5#
DQM6/CAS6#
DQM7/CAS7#
SRASA#
SRASB#/CKE5
SRASC#/CKE4
SCASA#
SCASB#/CKE3
SCASC#/CKE1
SWEA#
SWEB#/CKE2
SWEC#/CKE0
DCLKO
DCLKI
N/C
N/C
N/C
VSUS25
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
SUSST#
PLLTEST
CRSTD#
PWROK
PCIRST#
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
C294
.01UF_0402
12
C293
1000PF_0402
12
C314
.01UF_0402
12
C332
.01UF_0402
12
C325
.1UF_0402
12
C347
1000PF_0402
12
C355
.1UF_0402
12
C311
1000PF_0402
12
C333
1000PF_0402
12
C290
.1UF_0402
12
C265
.1UF_0402
12
C328
.01UF_0402
12
C306
.01UF_0402
12
C315
1000PF_0402
12
C353
@.1UF_0402
12
R248
@500
1 2
R237
@100_0402
1 2
D14
1N4148
21
+
C298
47UF_6.3V_B
12
+
C341
47UF_6.3V_B
12
C593
.1UF_0402
12
C592
1000PF_0402
12
MMD[0..63]13
RCAS#[0..7] 12,13
RAS#2 13
RAS#3 13
RAS#0 12
RAS#1 12
CKE0 12
CKE1 12
CKE2 13
PCIRST# 14,16,18,19,22,23,29,31,36
PWROK 33
CKE3 13
RMWEA# 12,13
SRASA# 12,13
SCASA# 12,13
MMA[0..14] 13
RCAS#0 12,13
RCAS#1 12,13
RCAS#2 12,13
RCAS#3 12,13
RCAS#4 12,13
RCAS#5 12,13
RCAS#6 12,13
RCAS#7 12,13
DCLKO 11
DCLKRW 11
CRESET# 6
GT_SUSTAT1# 6