MPB Schematic Diagrams B-17

Figure B-4 MPB VGA Board Logic Diagrams (Sheet 2 of 5)

3
3
3
3
3
3
1
2
3
4 5
6
7
8
RP8
SRN33
C28
SCD1U
C18
SCD1U
1
2
3
4 5
6
7
8 RP7
SRN33
RASA#
RASB#
CASAH#
CASAL#
WEA#
WEB#
PRASA#
PRASB#
PCASAH#
PCASAL#
PWEA#
PWEB#
C2
SC10U16V
C12
SCD1U
+5V
VGAPWR
VRAMVCC
DVCC
AVCC
CVCC0
CVCC1
+5V
3VAA[0..8]
V
M
A
D
1
V
M
A
D
2
V
M
A
D
3
V
M
A
D
4
V
M
A
D
5
V
M
A
D
6
V
M
A
D
7
V
M
A
D
8
V
M
A
D
9
V
M
A
D
1
0
V
M
A
D
1
1
V
M
A
D
1
2
V
M
A
D
1
3
V
M
A
D
1
4
V
M
A
D
1
5
V
M
B
D
0
V
M
B
D
1
V
M
B
D
2
V
M
B
D
3
V
M
B
D
4
V
M
B
D
5
V
M
B
D
6
V
M
B
D
7
V
M
B
D
8
V
M
B
D
9
V
M
B
D
1
0
V
M
B
D
1
1
V
M
B
D
1
2
V
M
B
D
1
3
V
M
B
D
1
4
V
M
B
D
1
5
V
A
A
0
V
A
A
1
V
A
A
2
V
A
A
3
V
A
A
4
V
A
A
5
V
A
A
6
V
A
A
7
V
A
A
8
3
3
1 2
R21
4K7R3
1 2
R24
33R3
IDSEL
11
IRDY#
23
STOP#
27 DEVSEL#
25
PAR
31
C/BE3#
10
RESET#
207
C/BE1#
32
TRDY#
24
A
D
1
8
1
8
A
D
1
7
1
9
FRAME#
22
C/BE0#
43
C/BE2#
21
ROMA0
179
ROMA1
180
ROMA2
182
ROMA3
183
ROMA4
185
ROMA10
186
ROMA5
187
ROMA6
189
ROMA9
190
ROMA7
191
ROMA8
192
ROMA12
193
ROMA13
194
ROMA15
195 ROMA14
196
ROMA16
197
ROMA17
198
A
D
0
0
5
1
A
D
0
1
5
0
A
D
0
2
4
9
A
D
0
3
4
8
A
D
0
4
4
7
A
D
0
5
4
6
A
D
0
6
4
5
A
D
0
7
4
4
A
D
0
8
4
1
A
D
0
9
4
0
A
D
1
0
3
8
A
D
1
1
3
7
A
D
1
2
3
6
A
D
1
3
3
5
A
D
1
4
3
4
A
D
1
5
3
3
REFCLK
203
(RESERVED)
204
STNDBY#
178
A
V
C
C
5
9
A
G
N
D
5
6
B
V
C
C
9
B
V
C
C
4
2
D
V
C
C
6
6
I
V
C
C
8
0
M
V
C
C
C
1
0
8
I
G
N
D
7
7
M
G
N
D
C
1
0
5
M
G
N
D
B
1
3
9
I
G
N
D
1
8
4
B
G
N
D
1
2
B
G
N
D
2
6
B
G
N
D
3
9
D
G
N
D
6
3
M
A
D
8
1
7
0
M
A
D
9
1
7
1
M
A
D
1
0
1
7
2
M
A
D
1
1
1
7
3
M
A
D
1
2
1
7
4
M
A
D
1
3
1
7
5
M
A
D
1
4
1
7
6
M
A
D
1
5
1
7
7
A
A
0
1
4
5
A
A
1
1
4
6
A
A
2
1
4
7
A
A
3
1
4
8
A
A
4
1
4
9
A
A
5
1
5
0
A
A
6
1
5
1
A
A
7
1
5
2
A
A
8
1
5
3
RASA# 156
CASAH# 159
M
B
D
1
1
2
8
M
B
D
2
1
2
9
M
B
D
3
1
3
0
M
B
D
4
1
3
1
M
B
D
5
1
3
2
M
B
D
6
1
3
3
M
B
D
7
1
3
4
P0 71
P1 72
P2 73
P3 74
P4 75
P5 76
P6 78
P7 79
LP
68
FLM
67
SHFCLK
70
ENAVDD
62
R60
G58
B57
HSYNC 65
VSYNC 64
ROMA11
188
ENAVEE
61
A
D
1
6
2
0
M
A
D
0
1
6
2
M
A
D
1
1
6
3
M
A
D
2
1
6
4
M
A
D
3
1
6
5
M
A
D
4
1
6
6
M
A
D
5
1
6
7
M
A
D
6
1
6
8
M
A
D
7
1
6
9
32KHZ
154
CASAL# 160
WEA# 157
M
B
D
0
1
2
7
M
B
D
8
1
3
5
M
B
D
9
1
3
6
M
B
D
1
0
1
3
7
M
B
D
1
1
1
3
8
M
B
D
1
2
1
4
0
M
B
D
1
3
1
4
1
M
B
D
1
4
1
4
3
M
B
D
1
5
1
4
4
RASB# 123
CASBH# 125
CASBL# 126
WEB# 124
P8 81
P9 82
P10 83
P11 84
P12 85
P13 86
P14 87
P15 88
ACTI
53
ENABKL
54
M
69
A20
199
ROMOE#
200
CLK
201
A23
28
SERR#
30
M
V
C
C
B
1
4
2
I
V
C
C
1
8
1
C
V
C
C
0
2
0
5
C
V
C
C
1
2
0
6
C
G
N
D
0
2
0
2
C
G
N
D
1
2
0
8
RSET 55
PERR#
29
A
D
1
9
1
7
A
D
2
0
1
6
A
D
2
1
1
5
A
D
2
2
1
4
A
D
2
3
1
3
A
D
2
4
8
A
D
2
5
7
A
D
2
6
6
A
D
2
7
5
A
D
2
8
4
A
D
2
9
3
A
D
3
0
2
A
D
3
1
1
MCD0 106
MCD1 107
MCD2 109
MCD3 110
MCD4 111
MCD5 112
MCD6 113
MCD7 114
MCD8 115
MCD9 116
MCD10 117
MCD11 118
MCD12 119
MCD13 120
MCD14 121
MCD15 122
C
A
0
9
0
C
A
1
9
1
C
A
2
9
2
C
A
3
9
3
C
A
4
9
4
C
A
5
9
5
C
A
6
9
6
C
A
7
9
7
C
A
8
9
8
H
R
E
F
9
9
RASC# 101
CASCH# 103
CASCL# 104
WEC# 102
OEC# 100
B
G
N
D
5
2
D
G
N
D
8
9
M
V
C
C
A
1
5
8
M
G
N
D
A
1
6
1
OEAB# 155
U4
CT65550
1
2
3
4 5
6
7
8
RP9
SRN4K7
VMAD[0..15]
VMBD[0..15]
V
M
A
D
0
AD22
VAA0
VAA5
SB
1
1
1
1
1
1
1
1
IRDY#
TRDY#
DEVSEL#
STOP#
PAR
FRAME#
PCIRST#
C/BE#[0..3]
C/BE#0
C/BE#1
C/BE#2
C/BE#3
12
G1
GAP-CLOSE

SB

65550-B
12
R12
33R3
VRAMOE#
Y0
Y1
Y2
3
3
3
1
2
3
4 5
6
7
8
RP5
SRN22
1
2
3
4 5
6
7
8
RP6
SRN22
1
2
3
4 5
6
7
8
RP3
SRN22
1
2
3
4 5
6
7
8
RP4
SRN22
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
U3
QPRN-R27C15
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
U2
QPRN-R27C15
CASBH#
CASBL# UD[0..3]
LD[0..3]
UD3
UD2
UD1
UD0
LD3
LD2
LD1
LD0
SUD3
SUD2
SUD1
SUD0
SUD7
PCASBH#
PCASBL#
1
1
1
1
1
1
SUD[0..7]
CRT_G
CRT_R
CRT_B
CRT_HS
CRT_VS
SUD6
SUD4
SUD5
R
G
B
HSYNC
VSYNC
1
1
1
2
R5
75R3
1
2
R6
75R3
1
2
R7
75R3
Y[0..7]
UV[0..7]
ZV_PCLK
Y3
Y4
Y5
Y6
Y7
UV0
UV1
UV2
UV3
UV4
UV5
UV7
UV6
ZV_PCLK
1
1
1
1
1
1
1
1
44
4
4
12
R18
10R3
12
R19
10R3
12
R20
10R3
12
R17
10R3
C33
SC47P
C34
SC47P
C35
SC33P
C36
SC33P
C37
SC33P
SHFCLK
MOD
LP
LFS
$VGA_14M
PERR#
SERR#
DDC_DATA
DDC_CLK
@32K2
$VGACLK
STNDBY#
RGBGND
1
1
5
4
AD[0..31]
ENAVEE
ENAVDD
R[0..7]
A
D
0
R0
R1
R2
R3
R4
R5
R6
R7 1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11 U1
QPRN-R27C15
1
2
3
4 5
6
7
8
RP2
SRN22
1
2
3
4 5
6
7
8
RP1
SRN22
A
D
1
A
D
2
A
D
3
A
D
4
A
D
5
A
D
6
A
D
7
A
D
8
A
D
9
A
D
1
0
A
D
1
1
A
D
1
2
A
D
1
3
A
D
1
4
A
D
1
5
A
D
1
6
A
D
1
7
A
D
1
8
A
D
1
9
A
D
2
0
A
D
2
1
A
D
2
2
A
D
2
3
A
D
2
4
A
D
2
5
A
D
2
6
A
D
2
7
A
D
2
8
A
D
2
9
A
D
3
0
A
D
3
1Z
V
_
H
R
E
F
Z
V
_
V
R
E
F
VGA CONTROLLER
1
1
1
2
R8
560R3
ZV_HREF
ZV_VREF
RGBGND
RGBGND
RGBGND
RGBGND