1.44 MB FDU
TEAC FD235HF-6573
SA450
JUMPER
FUNCTION
SETTING
DS0
Drive selected as DRIVE 0 on pin 10
OFF
DS1
Drive selected as DRIVE 1 on pin 12
ON
DS2
Drive selected as DRIVE 2 on pin 14
OFF
DS3
Drive selected as DRIVE 3 on pin 6
OFF
RY34
READY output on pin 34
OFF
DC34
DISK CHANGE output on pin 34
OFF
DC2
DISK CHANGE output on pin 2
OFF
HA
Density set automatically by the sensor
ON
HI2
Density set by HD IN on pin 2
OFF
HO2
HD OUT output on pin 2
OFF
IR
LED on: Drive Select * Ready
OFF
ACD (A) or (B) Auto-checking at power on enabled
OFF
REN
Auto-recalibration at power on disabled
OFF
FG
The drive’s ground is connected to the ground of the PCBA
board
OFF
METHOD
JUMPERS
INPUT
OUTPUT
HD
LEVEL
DENSITY SET
HO2
HI2
HA
PIN 2
PIN 2
HOST SIDE
FDU SIDE
1
OFF
ON
OFF
HD IN
Open
High
Key-in or
software
HD IN from
host
2
OFF
OFF
ON
Open
Open
-
Key-in or
software
Automatic
from sensor
3
ON
OFF
ON
Open
HD OUT
Low
HD OUT
from FDU
Automatic
from sensor
HI2
ACD (B)
HO2
DC2
IR
DS2
DC34
REN
HA
DS3
DS1
DS0
RY34
HS
FG
HI
0V
HO
2
34
DC
RY
0V
6
12
DS
DS
14
10
ACD (A)
Peripherals - Pocket Service Guide
4-20
3.5" MICRO FLOPPY DISK DRIVES
