UP-5900VS
CIRCUIT DIAGRAM
9 – 17
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
1-7-1 ULTRA I/O (ISA & FLOPPY & PS/2
& PARALLEL INTERFACE)
Ultra I/O (1/2)
ISA interface
CLOCK
Floppy interface
UltraI/O
Floppy
interface
Pallarell interface
Pallarell connector
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SD1
SD6
SD4
SD2
SD0
SD7
SD5
SD3
CIRQ5
SA9
SA8
SA10
SA11
SA11
MORTOR_ON0#
R_DATA#
DISKCHANGE#
DIR#
INDEX#
TRACK0#
DRIVE_SEL0#
W_ENABLE#
STEP#
HEAD1_SEL#
W_PROTECT
#
W_DATA#
DRIVE_SEL1#
HDENSITY_SEL#
prn_busy
prn_strob#
prn_pe
prn_ack#
prn_error#
prn_slct
prn_init#
prn_slctin#
prn_autofd#
prn_d7
prn_d6
prn_d5
prn_d4
prn_d3
prn_d2
prn_d1
prn_d0
prn_d6
prn_slct
prn_init#
prn_d3
prn_pe
prn_d7
prn_d2
prn_d0
prn_busy
prn_ack#
prn_error#
prn_d1
prn_d4
prn_slctin#
prn_strob#
prn_autofd#
prn_d5
HDENSITY_SEL#
W_PROTECT#
MORTOR_ON0#
DRIVE_SEL1#
DRIVE_SEL0#
R_DATA#
DIR#
HEAD1_SEL#
TRACK0#
STEP#
W_DATA#
W_ENABLE#
DISKCHANGE#
INDEX#
CIRQ5
IOCHRDY
IOCHRDY
15
DREQ1
15
DREQ2
15
DREQ3
15
DACK#3
15
DACK#2
15
DACK#1
15
TC
15
IOR#
15,26,27
RSTDRV
15,16,26
IOW#
15,16,26,27
IRQ1
15,27
IRQ3
26
IRQ6
15
IRQ7
15
IRQ12
15,27
IRQ4
26
CLK_48MIN
17
AEN
15,16,26
SD[0..15]
15,16,26,27
SA[0..19]
15,16,26,27
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC3
VCC
CN8
5332-34T2
1
3
5
7
9
11
13
15
17
19
21
23
25
2
4
6
8
10
12
14
16
18
20
22
24
26
27
28
29
30
31
32
33
34
R192
33
1
2
R187
0
1
2
C476
?
2
1
+
C290
120UF/10V OS
CN11
53047-1010
1
2
3
4
5
6
7
8
9
10
R172
22
1
2
R186
0
1
2
C280
100PF
2
1
R185
0
1
2
R175
(0)
R171
10
1
2
C291
0.1UF
2
1
C281
100PF
2
1
C282
100PF
2
1
C283
100PF
2
1
C284
100PF
2
1
C292
0.1UF
2
1
C285
100PF
2
1
R179
0
1
2
C286
100PF
2
1
C287
100PF
2
1
C288
100PF
2
1
C289
100PF
2
1
C297 270PF
2
1
R167
1K
1
2
C293 270PF
2
1
R170
1K
1
2
C298 270PF
2
1
R169
1K
1
2
C294 270PF
2
1
R184
0
1
2
R168
1K
1
2
C299 270PF
2
1
R166
1K
1
2
C295 270PF
2
1
C300 270PF
2
1
C296 270PF
2
1
C301 270PF
2
1
R191
4.7K
1
2
BR75 33-4
1
8
2
7
3
6
4
5
BR76
33-4
1
8
2
7
3
6
4
5
IC19
PC87309VLJ
47
45
26
46
41
64
63
48
27
15
31
30
28
90
40
29
1
32
65
91
2
54
3
4
5
6
7
53
8
9
49
10
11
52
12
13
50
14
16
51
17
18
58
19
20
21
34
22
57
35
36
37
55
23
25
24
38
39
56
42
33
75
76
77
78
79
80
81
82
71
69
70
68
66
67
73
72
74
61
62
60
59
44
43
DR0#
MTR0#/DRATE0
IRQ1
MTR1#/P12
VDD
P21
P20
DR1#/DENSEL
IRQ3
VSS
IRQ7
IRQ6
IRQ4
VDD
VSS
IRQ5
SD0
IRQ12
VSS
VSS
SD1
RDATA#
SD2
SD3
SD4
SD5
SD6
WGATE#
SD7
SA0
WDATA#
SA1
S
A
2
HDSEL#
SA3
SA4
DIR#
SA5
SA6
STEP#
SA7
SA8
DSKCHG#
SA9
SA10
AEN
RESET_DRV
IOCHRDY
WRTPRT#
DRQ1
DRQ2
DRQ3
TRK0#
IOR#
TC
IOW#
DACK1#
DACK2#
INDEX#
DACK3#
CLKIN
PRN_D0
PRN_D1
PRN_D2
PRN_D3
PRN_D4
PRN_D5
PRN_D6
PRN_D7
PRN_ERROR#
PRN_SLCT
PRN_PE
PRN_ACK#
PRN_BUSY
PRN_STROBE#
PRN_SLCTIN#
PRN_INIT#
PRN_AUTOFD#
MSCLK
MSDATA
KBDATA
KBCLK
IRTX/DENSEL
IRRX1/P12/DRATE0
R174
10K
1
2
CN10
53047-1510
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R183
0
1
2
R367
?
1
2
BR74
4.7K-4
1
8
2
7
3
6
4
5
R182
0
1
2
CN9
5267-02A-OA
2
1
R190
0
1
2
R177
0
1
2
R181
0
1
2
R176
0
1
2
BR73
10K-4
1
8
2
7
3
6
4
5
JR14 0(23)
1
3
2
R189
0
1
2
R193
1K
1
2
R173
0
1
2
C475
?
2
1
R178
0
1
2
C279
10PF
2
1
IC14A
74LVA32(TSSOP)
1
2
3
14
7
R188
0
1
2
R180
0
1
2
JP4
SHORT PIN
1
3
2