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4 ETX® connectors
Kontron User's Guide ETX CD 30
Pin 51–100:
[Power | COM |LPT | Floppy | KB/MS/IR]
Pin Si
g
na
l
Descri
p
tion T
yp
e Termination Commen
t
51 LPT | FLPY# LPT
/
Flo
ppy
Interface Confi
g
uration In
p
u
t
I-5 PU 4k7 5V Hi
g
h: LPT, Low:
52 nc - nc - Reserved
53 VCC Power +5V PWR - -
54 GND Ground PWR - -
55 STB# | nc LPT Strobe Si
g
nal O-5 - -
56 AFD# | DENSEL LPT Automatic Feed
/
Flo
ppy
Densit
y
Selec
t
O-5 - -
57 nc - nc - Reserved
58 PD7 | nc LPT Data Bus D7 IO-5 - -
59 IRRX Infrared Receive I-5 - -
60 ERR# | HDSEL# LPT Error
/
Flo
ppy
Head Selec
t
IO-5 - -
61 IRTX Infrared Transmi
t
O-5 - -
62 PD6 | nc LPT Data Bus D6 IO-5 - -
63 RXD2 Data Receive COM2 I-5 PU 100k 5V -
64 INIT# | DIR# LPT Initiate
/
Flo
ppy
Direction O-5 - -
65 GND Ground PWR - -
66 GND Ground PWR - -
67 RTS2# Re
q
uest to Send COM2 O-5 PU 100k 5V -
68 PD5 | nc LPT Data Bus D5 IO-5 - -
69 DTR2# Data Terminal Read
y
COM2 O-5 PU 100k 5V -
70 SLIN# | STEP# LPT Selec
t
/
Flo
ppy
Motor Ste
p
O-5 - -
71 DCD2# Data Carrier Detect COM2 I-5 PU 100k 5V -
72 PD4 | DSKCHG# LPT Data Bus D4
/
Flo
ppy
Disk Chan
g
e IO-5 - -
73 DSR2# Data Set Read
y
COM2 I-5 PU 100k 5V -
74 PD3 | RDATA# LPT Data Bus D3
/
Flo
ppy
Raw Data Read IO-5 - -
75 CTS2# Clear to Send COM2 I-5 PU 100k 5V -
76 PD2 | WP# LPT Data Bus D2
/
Flo
ppy
Write Protect Si
g
nal IO-5 - -
77 TXD2 Data Transmit COM2 O-5 PU 100k 5V Bootstra
p
PU 4k7
78 PD1 | TRK0# LPT Data Bus D1
/
Flo
ppy
Track Si
g
nal IO-5 - -
79 RI2# Rin
g
Indicator COM2 I-5 PU 100k 5V -
80 PD0 | INDEX# LPT Data Bus D0
/
Flo
ppy
Index Si
g
nal IO-5 - -
81 VCC Power +5V PWR - -
82 VCC Power +5V PWR - -
83 RXD1 Data Receive COM1 O-5 PU 100k 5V -
84 ACK# | DRV LPT Acknowled
g
e
/
Flo
ppy
Drive Selec
t
IO-5 - -
85 RTS1# Re
q
uest to Send COM1 O-5 PU 100k 5V Bootstra
p
PU 4k7
86 BUSY# | MO
T
LPT Bus
y
/
Flo
ppy
Motor Selec
t
IO-5 - -
87 DTR1# Data Terminal Read
y
COM1 O-5 PU 100k 5V Bootstra
p
PU 4k7
88 PE | WDATA# LPT Pa
p
er Em
p
t
y
/
Flo
ppy
Raw Write Data IO-5 - -
89 DCD1# Data Carrier Detect COM1 I-5 PU 100k 5V -
90 SLCT#|WGATE# LPT Power On
/
Flo
ppy
Write Enable IO-5 - -
91 DSR1# Data Set Read
y
COM1 I-5 PU 100k 5V -
92 MSCLK Mouse Clock O-5 PU 4k7 5V -
93 CTS1# Clear to Send COM1 I-5 PU 100k 5V -
94 MSDA
T
Mouse Data IO-5 PU 4k7 5V -
95 TXD1 Data Transmit COM1 O-5 PU 100k 5V Bootstra
p
PU 4k7
96 KBCLK Ke
y
board Clock O-5 PU 4k7 5V -
97 RI1# Rin
g
Indicator COM1 I-5 PU 100k 5V -
98 KBDA
T
Ke
y
board Data IO-5 PU 4k7 5V -
99 GND Ground PWR - -
100 GND Ground PWR - -
Note: The termination resistors in this table are already mounted on the ETX® board. Please refer to the design
guide for information about additional termination resistors.