3.2.4 DS 2 (1,3,4) plug
3.2.5
RDY/DC plugs
Note 1
:
Closed :
Plug is installed.
Note 2
:
Open
:
Plug is not installed.
22
DS1 - DS4
Closed
Drive selection
The drive is selected when the DRIVE SELECT signal is low.
Note:
Among the 4 options (DS1-DS4), only one jumper plug should
be mounted.
RDY
DC
Pin #34 of J1 I/O interface
Closed
Closed
Closed
Closed
Open
Open
Open
Open
READY
When a media is inserted, the motor is up to speed, and at least 2
INDEX pulses are detected, the READY signal becomes low.
The READY signal becomes high when the MOTOR ON signal
becomes high.
DISK CHANGE 1
When power is supplied and a disk is not inserted, pin #34 is high
whenever the DRIVE SELECT signal is high, and pin #34 is low
whenever the DRIVE SELECT signal is low. When power is
supplied and a disk is inserted, PIN/34 is low whenever the DRIVE
SELECT signal is low. The STEP signal resets pin #34 to a high
level.
DISK IN
Pin #34 is a direct function of the media-insert status.
It is active low when a media is inserted.
DISK OUT
Pin #34 is a direct function of the media-insert status.
It is active low when a media is not inserted.
Leaflet No. 9419 26/4/97 6:10 pm Page 22
