Table of Contents
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1
2
DECOUPLING CAPS NEAR VCC PINS, ONE CAP ON EACH SIDE
25
TOPO {2-A8}
24
KISO {2-A8}
27
72
22
RESET {1-B4,D5;2-A1;4-D6;5-C1}
20
A
LISACS {2-B5}
21
CWE {1-A3,C4,C5;2-A1;4-C6}
23
DSACK1 {1-A1,2-A1}
CA[20:00] {1-A8,2-A1,4-B5}
CA[09]
15
CA[08]
14
CA[07]
13
CA[06]
12
CA[05]
11
CA[04]
10
CA[03]
CA[02]
CA[01]
CD[15:00] {1-A8,2-C1,4-C6}
CD[15]
CD[14]
CD[13]
CD[12]
84
CD[11]
83
CD[10]
82
CD[09]
79
CD[08]
78
CD[07]
77
U14
CD[06]
76
74AC08
CD[05]
75
CD[04]
74
9
8
CD[03]
70
10
CD[02]
69
B
CD[01]
68
CD[00]
67
U14
74AC08
12
11
13
TS5
VCC
U12
NC7SZU04
R17
2
4
10K
R64
U6
R15
1.5K
74AC08
1M
1
2
9
10
C11
6.8pF,50V,NPO
2
1
U6
Y1
74AC08
C
C9
C12
33PF
20.0000MHZ
33PF
12
13
TS6
VCC
U13
NC7SZU04
R18
2
4
10K
R65
U14
R16
1.5K
74AC08
1M
1
2
1
2
C13
6.8pF,50V,NPO
2
1
U14
74AC08
Y2
C10
C14
4
33PF
24.5760MHz
33PF
5
D
RESET {1-B4,D5;2-A1;4-D6;5-C1}
1
2
Engine Board–Lisa F/X 128Ch Option, Clocks (page 3 of 5)
3
U15
LISA
26
KISO
TOP
28
SMRAS
SMRAS
KISI0
29
SMCAS
SMCAS
KISI1
30
SMR/W
SMR/W
64
DMDD[23]
CLK
DMD[23]
42
63
DMDD[22]
DMD[22]
31
RESET
62
DMDD[21]
DMD[21]
61
DMDD[20]
DMDD[23]
2
DMD[20]
CS
60
DMDD[19]
DMDD[22]
3
DMD[19]
R/W
59
DMDD[18]
DMDD[21]
5
DMD[18]
DTACK
58
DMDD[17]
DMDD[20]
6
DMD[17]
57
DMDD[16]
DMDD[19]
8
A[9]
DMD[16]
56
DMDD[15]
DMDD[18]
9
A[8]
DMD[15]
55
DMDD[14]
DMDD[17]
11
A[7]
DMD[14]
54
DMDD[13]
DMDD[16]
12
A[6]
DMD[13]
53
DMDD[12]
A[5]
DMD[12]
1
50
DMDD[11]
A[4]
DMD[11]
9
49
DMDD[10]
DMDD[15]
13
A[3]
DMD[10]
8
48
DMDD[09]
DMDD[14]
14
A[2]
DMD[09]
7
47
DMDD[08]
DMDD[13]
16
A[1]
DMD[08]
6
46
DMDD[07]
DMDD[12]
17
A[0]
DMD[07]
45
DMDD[06]
DMDD[11]
19
3
DMD[06]
D[15]
44
DMDD[05]
DMDD[10]
20
2
DMD[05]
D[14]
43
DMDD[04]
DMDD[09]
22
1
DMD[04]
D[13]
16
DMDD[03]
DMDD[08]
23
DMD[03]
D[12]
19
DMDD[02]
DMD[02]
D[11]
65
DMDD[01]
DMD[01]
D[10]
66
DMDD[00]
DMD[00]
D[09]
4 10 15 21 28 34 39 45
DGND
40
DMAA[09]
D[08]
DMA[9]
39
DMAA[08]
D[07]
DMA[8]
38
DMAA[07]
D[06]
DMA[7]
37
DMAA[06]
D[05]
DMA[6]
36
DMAA[05]
D[04]
DMA[5]
DMDD[07]
18
35
DMAA[04]
D[03]
DMA[4]
DMDD[06]
17
34
DMAA[03]
D[02]
DMA[3]
DMDD[05]
16
33
DMAA[02]
D[01]
DMA[2]
DMDD[04]
15
32
DMAA[01]
D[00]
DMA[1]
DMDD[03]
14
31
DMAA[00]
DMA[0]
DMDD[02]
13
VCC
4 17 41 51 71 80
DMDD[01]
12
DGND
5 18 42 52 73 81
DMDD[00]
11
20
SMR/W
SMCAS
74LCX162245
42
VCC4
31
VCC3
2
SMRAS
B1[1]
3
SMCAS
B1[2]
5
SMR/W
B1[3]
6
B1[4]
8
8
B1[5]
9
B1[6]
DMAA[09]
11
B1[7]
DMAA[08]
12
B1[8]
1
DIR1
DMAA[07]
13
11
B2[1]
DMAA[06]
14
B2[2]
DMAA[05]
16
B2[3]
DMAA[04]
17
B2[4]
DMAA[03]
19
B2[5]
DMAA[02]
20
B2[6]
DMAA[01]
22
B2[7]
DMAA[00]
23
B2[8]
VCC
4 10 15 21 28 34 39 45
DGND
R37
10K
3
6
U29 Decoupling Caps
U28 Decoupling Cap
3VCC
C90
C82
C83
0.1 uF
0.1 uF
0.1 uF
3
4
5
3V ONLY
3VCC
U29
74LCX162245
7
RP's Share Footprint Area with U28 - U30
VCC4
VCC2
18
VCC3
VCC1
47
DMD[23]
B1[1]
A1[1]
46
DMD[22]
B1[2]
A1[2]
47
44
DMD[21]
DMDD[23]
1
B1[3]
A1[3]
43
DMD[20]
DMDD[22]
2
B1[4]
A1[4]
41
DMD[19]
DMDD[21]
3
B1[5]
A1[5]
40
DMD[18]
DMDD[20]
4
B1[6]
A1[6]
38
DMD[17]
DMDD[19]
1
B1[7]
A1[7]
37
DMD[16]
DMDD[18]
2
B1[8]
A1[8]
DMDD[17]
3
48
DIR1
G1
DMDD[16]
4
36
DMD[15]
B2[1]
A2[1]
47
35
DMD[14]
B2[2]
A2[2]
47
33
DMD[13]
DMDD[15]
1
B2[3]
A2[3]
32
DMD[12]
DMDD[14]
2
B2[4]
A2[4]
30
DMD[11]
DMDD[13]
3
B2[5]
A2[5]
29
DMD[10]
DMDD[12]
4
B2[6]
A2[6]
27
DMD[09]
DMDD[11]
1
B2[7]
A2[7]
26
DMD[08]
DMDD[10]
2
B2[8]
A2[8]
DMDD[09]
3
DIR2
G2
DMDD[08]
4
47
24
25
RP17
DMDD[07]
8
DMDD[06]
7
DMDD[05]
6
U28
74LCX2245
DMDD[04]
5
2
DMD[07]
DMDD[03]
8
B[1]
A[1]
3
DMD[06]
DMDD[02]
7
B[2]
A[2]
4
DMD[05]
DMDD[01]
6
B[3]
A[3]
5
DMD[04]
DMDD[00]
5
B[4]
A[4]
6
DMD[03]
B[5]
A[5]
RP18
7
DMD[02]
47
B[6]
A[6]
8
DMD[01]
1
B[7]
A[7]
SMRAS
9
DMD[00]
B[8]
A[8]
1
10
SMCAS
VCC
GND
2
SMR/W
DIR
G
DMAA[09]
3
DMAA[08]
4
47
47
DMAA[07]
1
DMAA[06]
2
U30
DMAA[05]
3
DMAA[04]
4
DMAA[03]
1
7
VCC2
DMAA[02]
2
18
VCC1
DMAA[01]
3
47
DMAA[00]
4
A1[1]
BSMRAS
46
A1[2]
BSMCAS
47
44
A1[3]
BSMR/W
43
A1[4]
41
A1[5]
40
A1[6]
38
DMA[09]
A1[7]
37
DMA[08]
A1[8]
VCC
JP2
48
G1
5V/3V
1
36
DMA[07]
A2[1]
35
DMA[06]
A2[2]
33
DMA[05]
A2[3]
C88
32
DMA[04]
A2[4]
.47uF
30
DMA[03]
VCC
A2[5]
29
DMA[02]
A2[6]
27
DMA[01]
A2[7]
26
DMA[00]
A2[8]
3VCC
DIR2
G2
DRAM_PWR
24
25
R38
3VCC and DRAM_PWR need fat traces
1
2
100
3V ONLY
LISA/MABEL Decoupling Caps
U30 Decoupling Caps
3VCC
3VCC
C84
C85
0.1 uF
0.1 uF
3V ONLY
4
5
6
7
DECOUPLING CAPS NEAR PINS 1 AND 21
BSMRAS
BSMCAS
BSMR/W
U16
1Mx16 DRAM
14
41
DMD[23]
RAS
D15
30
40
DMD[22]
RP13
UCAS
D14
8
DMD[23]
31
39
DMD[21]
LCAS
D13
7
DMD[22]
38
DMD[20]
13
D12
W
6
DMD[21]
36
DMD[19]
29
D11
5
DMD[20]
OE
35
DMD[18]
D10
8
DMD[19]
DMA[09]
28
34
DMD[17]
A9
D09
7
DMD[18]
DMA[08]
27
33
DMD[16]
A8
D08
6
DMD[17]
DMA[07]
26
10
DMD[15]
A7
D07
5
DMD[16]
DMA[06]
25
9
DMD[14]
A6
D06
DMA[05]
24
8
DMD[13]
RP14
A5
D05
DMA[04]
23
7
DMD[12]
RP15
A4
D04
8
DMD[15]
DMA[03]
20
5
DMD[11]
A3
D03
7
DMD[14]
DMA[02]
19
4
DMD[10]
A2
D02
6
DMD[13]
DMA[01]
18
3
DMD[09]
A1
D01
5
DMD[12]
DMA[00]
17
2
DMD[08]
A0
D00
8
DMD[11]
1
7
DMD[10]
VCC1
21
6
VCC3
VCC2
6
DMD[09]
5
DMD[08]
DGND
22 37 42
RP16
47
1
DMD[07]
2
DMD[06]
Use Dual Footprint for DRAM's
3
DMD[05]
4
DMD[04]
DRAM Decoupling Caps
1
DMD[03]
2
DMD[02]
DRAM_PWR
3
DMD[01]
C86
C87
4
DMD[00]
0.1 uF
0.1 uF
47
R39
2
BSMRAS
8
BSMCAS
7
U31
BSMR/W
6
DMA[09]
1M/4Mx16 DRAM
5
DMA[08]
18
RAS1M
14
RP21
RAS4M
34
RP19
UCAS1M
49
DMD[23]
8
DMA[07]
37
D15
UCAS4M
48
DMD[22]
7
DMA[06]
35
D14
LCAS1M
47
DMD[21]
6
DMA[05]
38
D13
LCAS4M
46
DMD[20]
5
DMA[04]
D12
17
44
DMD[19]
8
DMA[03]
W1M
D11
13
43
DMD[18]
7
DMA[02]
W4M
D10
33
42
DMD[17]
6
DMA[01]
OE1M
D09
36
41
DMD[16]
OE4M
D08
5
DMA[00]
10
DMD[15]
D07
DMA[09]
32
RP20
A9/A11
9
DMD[14]
DMA[08]
31
D06
A8/A10
8
DMD[13]
DMA[07]
30
D05
A7/A9
7
DMD[12]
DMA[06]
29
D04
A6/A8
5
DMD[11]
D03
DMA[05]
28
A5/A7
4
DMD[10]
DMA[04]
27
D02
3V ONLY
A4/A6
3
DMD[09]
DMA[03]
24
D01
A3/A5
2
DMD[08]
DMA[02]
23
D00
LM3940IS-3.3
A2/A4
DMA[01]
22
1
3
A1/A3
VCC1
IN
OUT
3VCC
DMA[00]
21
6
A0/A2
VCC2
DMA[09]
20
12
GND
NC/A1
VCC3
DMA[08]
19
25
VR2
NC/A0
VCC4
+
C89
33uF, TANT
DGND
26 39 45 50
3V ONLY
LOCATE 220/330 RESISTORS AT FARTHEST POINT FROM DRIVER
VCC
J408
128 CHANNEL OPTION
1
VCC1
VCC2
3
GND2
SS {1-C1}
SS
5
SCK {1-C1}
SCK
SGND1
7
MISO {1-B1,C3}
MISO
PRSNT
9
MOSI {1-B1,C3}
MOSI
SGND2
11
KISI
SGND3
13
TOPO {2-A8}
TOPO
SGND4
15
CLK20
SGND5
17
RESET
SGND6
19
CLK25
SGND7
21
VCC
GND3
GND4
23
VCC3
VCC4
C79
C80
C81
0.1 uF
0.1 uF
0.1 uF
6
7
Kurzweil PC2 Series Service Manual
8
VCC
U17
1Mx16 DRAM
14
41
DMD[07]
RAS
D15
A
30
40
DMD[06]
UCAS
D14
31
39
DMD[05]
LCAS
D13
38
DMD[04]
13
D12
W
36
DMD[03]
29
D11
OE
35
DMD[02]
D10
DMA[09]
28
34
DMD[01]
A9
D09
DMA[08]
27
33
DMD[00]
A8
D08
DMA[07]
26
10
A7
D07
DMA[06]
25
9
A6
D06
DMA[05]
24
8
A5
D05
DMA[04]
23
7
A4
D04
DMA[03]
20
5
A3
D03
DMA[02]
19
4
A2
D02
DMA[01]
18
3
A1
D01
DMA[00]
17
2
A0
D00
1
VCC1
21
6
VCC3
VCC2
DGND
22 37 42
DRAM Decoupling Caps
DRAM_PWR
B
C22
C23
0.1 uF
0.1 uF
VCC
U32
1M/4Mx16 DRAM
18
RAS1M
14
RAS4M
34
UCAS1M
49
DMD[07]
37
D15
UCAS4M
48
DMD[06]
35
D14
LCAS1M
47
DMD[05]
38
D13
LCAS4M
46
DMD[04]
D12
17
44
DMD[03]
W1M
D11
13
43
DMD[02]
W4M
D10
33
42
DMD[01]
OE1M
D09
36
41
DMD[00]
OE4M
D08
10
D07
DMA[09]
32
A9/A11
9
DMA[08]
31
D06
A8/A10
8
DMA[07]
30
D05
A7/A9
7
DMA[06]
29
D04
A6/A8
5
D03
DMA[05]
28
A5/A7
4
DMA[04]
27
D02
A4/A6
3
DMA[03]
24
D01
A3/A5
2
DMA[02]
23
D00
A2/A4
C
DMA[01]
22
1
A1/A3
VCC1
DMA[00]
21
6
A0/A2
VCC2
DMA[09]
20
12
NC/A1
VCC3
DMA[08]
19
25
NC/A0
VCC4
DGND
26 39 45 50
VCC
VCC
R19
R21
220, 1/4W
220, 1/4W
VCC
VCC
R20
R22
2
330, 1/4W
330, 1/4W
R23
4
10K
6
8
10
KISI {2-A1}
12
OPRSNT
CLK20 {2-A8,4-D6}
14
{1-C1}
CLK25 {1-C1,
16
2-A1,5-C1}
18
20
D
YOUNG CHANG CO., LTD.
22
24
Reproduction without the express written consent
of Young Chang Co., Ltd. is prohibited.
PC88 II ENGINE
LISA F/X, 128CH OPTION, CLOCKS
Filename:
P82RDV4
Date:
9/19/2000
Eng:
By:
T. THOMPSON
Mfg:
Sht
3
of
5
Doc:
021197
Rev:
D V4
8
7-5
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