Floppy; Front-Panel Lights And Switches Connector; Floppy Device Controller Connector Pinouts - Digital Equipment Digital AlphaStation 200 Series Technical Information

Connector and Cable Information

Floppy

Table 10-9 lists the signals and pins for the Digital AlphaStation system floppy device
controller (FDC) connector pinouts.
Table 10-9. Floppy Device Controller Connector Pinouts
Signal
DENSEL
MTR3\
DRATE0
INDEX\
MTR0\
DR1\
DR0\
MTR1\
DIR\
STEP\
WRDATA\
WGATE\
TRK0\
WP\
RDDATA\
HDSEL\
DISKCH\

Front-Panel Lights and Switches Connector

The front-panel board of the Digital AlphaStation 400 Series system includes three LEDs:
power on, disk busy, and turbo (the turbo LED is unused), as well as a reset switch. A
short cable connects the front panel to the motherboard. Table 10-10 lists the signals and
pin numbers for the Digital AlphaStation 400 Series system front-panel connector pinouts.
10-8
Pin Signal
2 Ground
4 Ground
6 Ground
8 Ground
10 Ground
12 Ground
14 Ground
16 Ground
18 Open
20 Ground
22 Ground
24 Ground
26 Ground
28 Open
30 Ground
32 Ground
34 Ground
Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33