1
2
4
U291
JSA14
E0
DB02
DB12
DB22
DB32
DB42
DB52
DB62
DB72
DBP2
ATN2
BSY2
ACK2
RST2
MSG2
SEL2
C/D2
REQ2
I/O2
P1
U280
SCSI TERMINATOR
U275
SCSI INTERFACE
U216
FIFO
L1
L2
L3
L4
L5
L6
L7
L8
L9
L10
L11
L12
L13
L14
L15
L16
L17
L18
22
20
19
18
17
13
12
11
9
71
69
68
67
63
62
61
60
58
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DBP
ATN
BSY
ACK
RST
MSG
SEL
C/D
REQ
I/O
TP201
4
24
2
FL201
U279
U278
5
6
26
27
51
52
CLK
VCC
GND
RST
+5VB
+5VB
2
3
1
RSTIN
DREQ2
U276
VOLTAGE
DETECTOR
RESET
DREQ
10
9
8
5
4
6
3
1
2
U202(b)
U202(c)
U202(a)
RDEN2
DACK2
IOWR
IORD
DACK
DMD0
|
DMD15
32-39
41-48
D0
|
D7
A0
A1
A2
A3
A4
INT
WR
RD
72
73
74
75
76
7
1
2
RSTIN
226
225
224
223
222
219
215
216
218
TP208
TP206
TP209
TP207
RESET
PA0
PA1
PA2
PA3
PA4
INT
WR
RD
182-197
ZDQ0-ZDQ7
D0-D15
82-89
ZDQ0-ZDQ7
ZDQ0-ZDQ15
EN0
EN0
IOR2
EN0
198
SSA0-SSA11
W2
OE2
A0-A11
WE,OE
IO0
|
IO7
U207
SRAM
155-159
162-170
ZSA0-ZSA11,WE,OE
11-13
15-19
ZDQ0-ZDQ7
D0
|
D7
CK
G
11
1
Q0
|
Q7
U268,U269
D-FFs
Q0
|
Q7
R
W
XO/HF
MR
D0
|
D7
U241
CODER
U266,U267
D-FFs
D0
|
D7
Q0
|
Q7
CK
G
U244,U245
D-FFs
D0
|
D7
Q0
|
Q7
CK
G
U242
D-FFs
D0
|
D7
Q0
|
Q7
CK
G
U246,U247
D-FFs
D0
|
D7
Q0
|
Q7
CK
G
A1
|
A8
B1
|
B8
DIR
EN
U260,U261
TRANSCEIVERS
12-19
2-9
2-9
A1
|
A8
B1
|
B8
DIR
EN
U262,U263
TRANSCEIVERS
A1
|
A8
B1
|
B8
DIR
EN
U219,U220
TRANSCEIVERS
A1
|
A8
B1
|
B8
DIR
EN
U221,U222
TRANSCEIVERS
11-18
11-18
11-18
2-9
11-18
B1DM0
ı
B1DM15
B0DM0
ı
B0DM15
2-9
2-9
TO JPEG/SCSI BOARD (JPEG SECTION) (1/2)
A0D
TO JPEG/SCSI BOARD
(JPEG SECTION) (1/2)
SCK,SE
TO JPEG/SCSI BOARD (JPEG SECCTION) (1/2)
A1D
1
19
1
19
EN5
11
1
GCK3
E5,E6
E3,E4
11
1
11
1
2-9
1
19
1
19
ZFD0
ı
ZFD15
DDMD0-DDMD15
12-19
2-9
2-9
12-19
12-19
B0DM0
ı
B0DM15
18
2
23
25
BJP10-BJP17
4-7
28-31
MWR
HF1
MRES
10,11,13,14
19-22
2-9
12-19
11
1
REC/LVLR
8
10
9
U243(a)
CLK27
U212 D-FFs
D0
|
D7
CK
G
U213 D-FFs
D0
|
D7
G
CK
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
1
11
11
1
2-9
ZFY0-ZFY7
ZFC0-ZFC7
2-9
13R5M2
A1
|
A8
B1
|
B8
DIR
EN
U203,U204
TRANSCEIVERS
2-9
ZDQ0-ZDQ15
1
19
P2
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
Y0B
Y1B
Y2B
Y3B
Y4B
Y5B
Y6B
Y7B
C0B
C1B
C2B
C3B
C4B
C5B
C6B
C7B
A1D0
ı
A1D15
A0D0
ı
A0D15
A0D0-A0D15
A1D0-A1D15
19
18
17
16
15
14
13
12
19
18
17
16
15
14
13
12
TP205
11-8
SD0-SD15
PXDATA0
|
PXDATA15
MADD0
|
MADD14
MWE,MOE
MDATA0
|
MDATA15
VEN
HEN
SPH
WR
RD
BDATA0
|
BDATA7
IWR/COE
I/D SYNC
IRDY/STP
EOS
SYSCLK
RESET
A0-A14
WE,OE
I/O0
|
I/O7
U231,U232
SRAMs
1-10
21-27
38,39
42-49
52-56,78,79
59-65
68-75,77
11-13
15-19
CBSY
34
7-14
17-24
U233
RBCONV
ZFC0-ZFC7
ZFC0-ZFC7
ZDQ0-ZDQ15
END
RESET
INT
RD
WR
CS
PIXE4
|
PIXE11
COMP
DSYNC
STOP
EOS
DATA0
|
DATA7
ADDR0
|
ADDR9
COE
CODE0
|
CODE7
14
58
100
98
97
96
JEND
JRST
JINT
JRD
JWR
JCS
4
5
30
31
32
JVP
RCS
RWR
RRD
DCLK
CLKEN
63
64
26
98
RSTIN
27M2
ADD1,ADD0
40-45,47,48
82-89
33,36,37,39
93-96
U229,U230
D-FFs
D0
|
D7
Q0
|
Q7
CK
G
U225 D-FFs
Q1
|
Q6
Q7
D1
|
D6
D7
CK
G
U228
TRANSCEIVER
A1
|
A8
B1
|
B8
DIR
EN
12-19
3-12
74-79
81,82
2-9
ZIDQ0
ı
ZIDQ9
ZIDQ0
ı
ZIDQ15
ZIDQ8-ZIDQ14
11
1
GCK2
84-91
ZIDQ0-ZIDQ7
ZODE0-ZODE7
U205,U206
TRANSCEIVERS
A1
|
A7
B1
|
B7
DIR
EN
U226,U227
SRAMs
A0
|
A14
I/O0
|
I/O7
WE
OE
11-18
2-9
11-13
15-19
11
1
27
22
1
19
1
19
3-8
2
W3
OE3
GCK0
E0
U234
DCT
RRD
RCS
1-10,21
23-26
13-18
19
27M2
138
HD2
142
P2
141
IOR2
JHD642
IOR
EN1
202
178
ZIDQ0-ZIDQ15
JEND,JINT
JRD,JWR
JCS,JVP
JRST
JSA0-JSA7
JSA12
SCK0,SCK2
SCK3,SE0,SE1
SE3,SE5
FD0-FD15
ZFD0-ZFD15
ADR00-ADR19
RAS1,RAS0
W1
W0
CAS1
CAS0
MRES
MWR,HF1
SE2,SE4
SCK1,SCK4
DIR5,DIR7,DIR8
EN5-EN8
E3-E6
GCK3
REC/LVLR
COE
75,76,82
56,230,232-235,237
3-10,12-19
DQ0
|
DQ15
A0-A9
RAS
LCAS
UCAS
W
U253,U254
VRAMs
79
128
2-5,7-10
33-36,38-41
13,14,17-20
23-28,30,31
24
50
23
49
70
DIR5
EN6
SCK4
SE2
DIR7
EN7
DIR8
EN8
SCK1
SE4
BLOCK DIAGRAM OF JPEG/SCSI BOARD (SCSI SECTION)
JPEG/SCSI BOARD (SCSI SECTION)
8
9
10
11
12
15
16
17
18
19
20
21
22
23
3
4
5
6
HSYNC
VSYNC
ZDQ0-ZDQ15
2-9,21-25,27
28,29
90-93
106-109
95-99
102-105
83-87,89,94
GCK0
GCK2
E0
RRD
RWR
RCS
OE3
W3
22,26-39,42-48
2-9
11-18
ZFD0
ı
ZFD15
35
34
33
31
30
29
27
26
25
37
38
39
41
42
43
45
46
47
70
69
66
65
62
61
58
57
38
37
34
33
30
29
26
25
ZFC0-ZFC7
ZFY0-ZFY7
27M2
13R5M2
P2
+5V
27M2
SD
HD2
HD2
13R5M2
P2
+5V
TO JPEG/SCSI BOARD (JPEG SECTION) (1/2)
TO JPEG/SCSI BOARD (JPEG SECTION) (1/2)
IOR,IRQ
100
104
108
112
116
120
48
52
56
60
64
P1
P2
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
F1
+5VB
F2
+5V
DACK1-DACK3
RSTRDY
DREQ1-DREQ3
DINT
TREQ1
TREQ0
BUSY
ERR
CINT
RDEN
IOW
DREQ2
DACK2
RDEN2
171
205
204
217
199
NRDY0
ERR2
CINT2
RDEN2
IOW2
174-176
206-209
211-213
25,51
53-55
62-65
68-72
231,236
A1D0-A1D15
JHD642
TO
MOTHER
BOARD
– 17 –