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4 ETX® connectors
Kontron User's Guide ETX CD 25
Pin 51-100:
[Power | ISA]
Pin Si
g
na
l
Descri
p
tion T
yp
e Termination Commen
t
51 VCC Power +5V PWR - -
52 VCC Power +5V PWR - -
53 SA6 ISA Adress Bus O-3,3 PU 8k2 5V -
54 IRQ5 ISA Interru
p
t Re
q
uest 5 I-3,3 PU 8k2 5V -
55 SA7 ISA Adress Bus O-3,3 PU 8k2 5V -
56 IRQ6 ISA Interru
p
t Re
q
uest 6 I-3,3 PU 8k2 5V -
57 SA8 ISA Adress Bus O-3,3 PU 8k2 5V -
58 IRQ7 ISA Interru
p
t Re
q
uest 7 I-3,3 PU 8k2 5V -
59 SA9 ISA Adress Bus O-3,3 PU 8k2 5V -
60 SYSCLK ISA Bus Clock
(
CLK_SYS_ISA
)
O-3,3 - -
61 SA10 ISA Adress Bus O-3,3 PU 8k2 5V -
62 REFSH# ISA S
y
stem Refresh Control IO-3,3 PU 1k 5V -
63 SA11 ISA Adress Bus O-3,3 PU 8k2 5V -
64 DREQ1 ISA DMA Re
q
uest 1 I-3,3 PU 8k2 5V -
65 SA12 ISA Adress Bus O-3,3 PU 8k2 5V -
66 DACK1# ISA DMA Acknowled
g
e 1 IO-3,3 - -
67 GND Ground PWR - -
68 GND Ground PWR - -
69 SA13 ISA Adress Bus O-3,3 PU 8k2 5V -
70 DREQ3 ISA DMA Re
q
uest 3 I-3,3 PU 8k2 5V -
71 SA14 ISA Adress Bus O-3,3 PU 8k2 5V -
72 DACK3# ISA DMA Acknowled
g
e 3 IO-3,3 - -
73 SA15 ISA Adress Bus O-3,3 PU 8k2 5V -
74 IOR# ISA I
/
O Read IO-3,3 PU 8k2 5V -
75 SA16 ISA Adress Bus O-3,3 PU 8k2 5V -
76 IOW# ISA I
/
O Write IO-3,3 PU 8k2 5V -
77 SA18 ISA Adress Bus O-3,3 PU 8k2 5V -
78 SA17 ISA Adress Bus O-3,3 PU 8k2 5V -
79 SA19 ISA Adress Bus O-3,3 PU 8k2 5V -
80 SMEMR# ISA S
y
stem Memor
y
Read IO-3,3 PU 8k2 5V -
81 IOCHRDY ISA I
/
O Channel Read
y
IO-3,3 PU 1k 5V -
82 AEN ISA Adress Enable IO-3,3 - -
83 VCC Power +5V PWR - -
84 VCC Power +5V PWR - -
85 SD0 ISA Data Bus IO-3,3 PU 8k2 5V -
86 SMEMW# ISA S
y
stem Memor
y
Write IO-3,3 PU 8k2 5V -
87 SD2 ISA Data Bus IO-3,3 PU 8k2 5V -
88 SD1 ISA Data Bus IO-3,3 PU 8k2 5V -
89 SD3 ISA Data Bus IO-3,3 PU 8k2 5V -
90 NOWS# ISA No Wait Staits I-3,3 PU 8k2 5V -
91 DREQ2 ISA DMA Re
q
uest 2 I-3,3 PU 8k2 5V -
92 SD4 ISA Data Bus IO-3,3 PU 8k2 5V -
93 SD5 ISA Data Bus IO-3,3 PU 8k2 5V -
94 IRQ9 ISA Interru
p
t Re
q
uest 9 I-3,3 PU 8k2 5V -
95 SD6 ISA Data Bus IO-3,3 PU 8k2 5V -
96 SD7 ISA Data Bus IO-3,3 PU 8k2 5V -
97 IOCHK# ISA I
/
O Channel Check I-3,3 PU 8k2 5V -
98 RSTDRV ISA Rese
t
O-3,3 - -
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.