Diskette Drive Connector; Ide Interface Pin Assignments; Diskette Drive Pin Assignments - NEC POWERMATE 8100 Series Service And Reference Manual

Pin
25
27
29
31
33
35
37
39

Diskette Drive Connector

The pin assignments for the diskette drive connector are given in the following
table.
Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33

IDE Interface Pin Assignments

Signal Name
I/O Read-
IOCHRDY
DDACKO (DDACK1)
IRQ14 (IRQ15)
Addr 1
Addr 0
Chip Select 0-
Activity-

Diskette Drive Pin Assignments

Signal Name
Ground
Ground
Key
Ground
Ground
Ground
Ground
Ground
MSEN1
Ground
Ground
Ground
Ground
MSEN0
Ground
Ground
Ground
Pin
26
28
30
32
34
36
38
40
Pin
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
Signal Assignment
Ground
IDE_CSEL
Ground
No Connection
No Connection
Addr 2
Chip Select 3P (3S)
Ground
Signal Name
DENSEL
Reserved
DRATE0-
Index-
Motor Enable A-
Drive Select B-
Drive Select A-
Motor Enable B-
DIR-
STEP-
Write Data-
Write Gate-
Track 00-
Write Protect-
Read Data-
HDSEL-
DSKCHG-
Riser Board 5-19