Samsung 164BX 用户手册

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页码 68
4–6
AlphaPC 164UX Connector Pinouts
Diskette Drive Bus Connector Pinouts
4.5 Diskette Drive Bus Connector Pinouts
Table 4–5 shows the diskette (floppy) drive bus connector pinouts.
4.6 Parallel Bus Connector Pinouts
Table 4–6 shows the parallel bus connector pinouts.
Table 4–5 Diskette (Floppy) Drive Bus Connector Pinouts (J33)
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
Gnd 2
DEN0
3
Gnd  4
NC
5
Gnd 6
DEN1
7
Gnd  8
INDEX
9
Gnd 10
MTR0
11
Gnd  12
DR1
13
Gnd 14
DR0
15
Gnd  16
MTR1
17
Gnd 18
DIR
19
Gnd  20
STEP
21
Gnd 22
WDATA
23
Gnd  24
WGATE
25
Gnd 26
TRK0
27
Gnd  28
WRTPRT
29
ID0
30
RDATA
31
Gnd 32
HDSEL
33
ID1
34
DSKCHG
Table 4–6 Parallel Bus Connector Pinouts (J13)
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
STB
2
PD0
3
PD1
4
PD2
5
PD3
6
PD4
7
PD5
8
PD6
9
PD7
10
ACK
11
BUSY
12
PE
13
SLCT
14
AFD
15
ERR
16
INIT
17
SLIN
18
Gnd 19
Gnd  20
Gnd 
21
Gnd 22
Gnd  23
Gnd  24
Gnd 
25
Gnd —