Table of Contents
Advertisement
NEX 6620A User's Guide
CN13 : Floppy Disk Connector
Pin No.
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
J1, J2 : 2.54mm Single Ramp CPU FAN Connector
Pin No.
1
3
J4 : 2.54mm 1x2 JST for Disk On Moudle Power Connector
Pin No.
1
J7 : 1x5 Pin Header for Keylock & Power LED
Pin No.
1
3
5
Switches and Connectors
Description
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
NC
Ground
NC
Description
Ground
Sense
Description
Ground
Description
Pull High
Ground
Ground
Pin No.
2
Drive Density Select 0
4
6
Drive Density Select 1
8
Index Pulse Input
10
12
14
16
18
20
22
Write Disk Data
24
26
28
Write Protected
30
Read Disk Data
32
34
Pin No.
2
Pin No.
2
Pin No.
2
4
Rev. B0
0301
Description
NC
Motor On 0
Drive Select 1
Drive Select 0
Motor On 1
Step Direction
Step Pulse
Write Gate
Track 0
Head Select
Disk Change
Description
+12V
Description
+5V
Description
NC
Active Signal
2-9
Advertisement
Table of Contents
