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A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
COM0/COM1
FLOPPY
PARALLEL
COM1
COM0
THIS DRAWING CONTAINS INFORMATION WHICH HAS NOT
BEEN VERIFIED FOR MANUFACTURING AS AN END USER
PRODUCT. INTEL IS NOT RESPONSIBLE FOR THE
MISUSE OF THIS INFORMATION.
{Doc}
D
COMx, DB25, Floppy
C
19 22Thursday, February 25, 1999
Title
Size Document Number Rev
Date: Sheet of
SP_RI0
PDR0
PDR6
PPDR4
PPDR0
PPDR3
PDR4
PDR5
-ACK
-BUSY
SLCT
PE
PDR7
PDR1
PDR2
PDR3
-ALF
-ERR
-INIT
-STROBE
PPDR5
PPDR6
PPDR7
-PPACK
-PPBUSY
PPSLCT
PPE
PPDR1
-PSTROBE
-PPERR
-PALF
-PPINIT
PPDR2
-PSLCTIN
SP_DSR0
SP_DTR0
SP_RXD0
SP_DCD0
SP_CTS0
SP_TXD0
SP_RTS0
SP_CTS1
SP_DSR1
SP_TXD1
SP_RI1
SP_DTR1
SP_RXD1
SP_DCD1
SP_RTS1
-RDATA16
-WPT16
-INDEX16
-SIDE116
-DSKCHG16
HDEN16
-MOTEA16
-DIR16
DRATE016
-DRVSA16
-WGATE16
-WDATA16
-STEP16
PDR016
PDR116
PDR216
PDR316
PDR416
PDR516
PDR616
PDR716
-INIT16
-ERR16
-ALF16
-STROBE16
-ACK16
PE16
-BUSY16
SLCT16
RXD016
TXD016
CTS0#16
DTR0#16
RI0#16
DCD0#16
DSR0#16
RTS0#16
-SLCTRIN16
-TRK016
RXD116
RI1#16
DTR1#16
RTS1#16
CTS1#16
DSR1#16
TXD116
DCD1#16
-MOTEB16
-DRVSB16
V5_0
-12V
+12V
V5_0
V5_0 V5_0+12V +12V-12V-12V
+12V
-12V
J3
DB25
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
16
3
15
2
14
1
26
27
JP1
FLOPPY HEADER 17X2
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
U4
GD75232SOP
120
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
11
+12VV5_0
RA1
RA2
RA3
DY1
DY2
RA4
DY3
RA5
-12V
RY5
DA3
RY4
DA2
DA1
RY3
RY2
RY1
GND
J4
SERIAL STACK
14
18
13
17
12
16
11
15
10
5
9
4
8
3
7
2
6
1
14
18
13
17
12
16
11
15
10
5
9
4
8
3
7
2
6
1
U3
GD75232SOP
120
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
11
+12VV5_0
RA1
RA2
RA3
DY1
DY2
RA4
DY3
RA5
-12V
RY5
DA3
RY4
DA2
DA1
RY3
RY2
RY1
GND
C18
220pF
C52
470pF
C38
470pF
C40
470pF
C53
470pF
C50
470pF
C37
470pF
C39
470pF
C21
220pF
C51
470pF
C19
220pF
C17
220pF
C13
220pF
C16
220pF
C10
220pF
C20
220pF
C15
220pF
C25
220pF
C14
220pF
C12
220pF
C9
220pF
C11
220pF
C24
220pF
C26
220pF
C64
0.1uF
C65
0.1uF
C54
0.1uF
C48
0.1uF
C43
0.1uF
C49
0.1uF
C33
470pF
C45
470pF
C34
470pF
C46
470pF
C36
470pF
C44
470pF
C35
470pF
C47
470pF
R7
4.7K
R9
22
R25
1K
RP5
4.7K
1 8
2 7
3 6
4 5
RP6
4.7K
1 8
2 7
3 6
4 5
RP7
4.7K
1 8
2 7
3 6
4 5
RP2
33
1 8
2 7
3 6
4 5
RP4
22
1 8
2 7
3 6
4 5
RP1
22
1 8
2 7
3 6
4 5
RP3
33
1 8
2 7
3 6
4 5
RP18
1K
18
27
36
45