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LG GWA-4164B Service Manual page 64

Dvd/cd rewritable drive
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Pin
Pin Name
Number
96
VDD3
97
HDD1
98
HDD14
99
HDD0
100
HDD15
101
DMARQ
102
NIOWR
103
NIORD
104
IORDY
105
NDMACK
106
INTRQ
107
NIOCS16
P22
108
DA1
109
NPDIAG
110
DA0
111
DA2
112
NCS1FX
113
VSS
114
VDD5
115
VDD3
116
NCS3FX
117
NDASP
118
MDQ0
119
MDQ15
120
MDQ1
121
MDQ14
122
MDQ2
123
MDQ13
124
MDQ3
125
MDQ12
126
MDQ4
127
MDQ11
128
MDQ5
129
MDQ10
130
MDQ6
131
MDQ9
132
MDQ7
68
I/O
Connection
Target
Power supply Power supply
I/O
HOST
I/O
HOST
I/O
HOST
I/O
HOST
O
HOST
I/O
HOST
I/O
HOST
O
HOST
I
HOST
O
HOST
I/O
HOST
I/O
HOST
I/O
HOST
I/O
HOST
I/O
HOST
I
HOST
GND
GND
Power supply Power supply
Power supply Power supply
I
HOST
I/O
HOST
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
I/O
SDRAM
Description
I/O pad V
(3.3)
DD
ATAPI data I/O
ATAPI data I/O
ATAPI data I/O
ATAPI data I/O
DMA request to ATAPI host
ATAPI host write signal
ATAPI host read signal
Ready signal to ATAPI host
ATAPI host DMA acknowledge signal
Interrupt request to ATAPI host
ATAPI data bus width select signal
General-purpose I/O
ATAPI host address signal input
Diagnostic signal from ATAPI slave to master
ATAPI host address signal
ATAPI host address signal
ATAPI host chip select signal
Digital Vss
5V reference power supply
I/O pad V
(3.3V)
DD
ATAPI host chip select signal
ATAPI drive active slave signal
SDRAM data
SDRAM data
SDRAM data
SDRAM data
SDRAM data
SDRAM data
SDRAM data
SDRAM data
SDRAM data
SDRAM data
SDRAM data
SDRAM data
SDRAM data
SDRAM data
SDRAM data

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