F H - 2 7 7 7 E MICROSCIENCE
NO MORE PRODUCED Native| Translation
------+-----+-----+-----
Form 5.25"/FH Cylinders 1658| | |
Capacity form/unform 687/ 777 MB Heads 15| | |
Seek time / track 14.0/ 3.0 ms Sector/track 54| | |
Controller ESDI Precompensation 65535
Cache/Buffer 64 KB Landing Zone
Data transfer rate 1.875 MB/S int Bytes/Sector 512
MB/S ext
Recording method RLL 2/7 operating | non-operating
-------------+--------------
Supply voltage 5/12 V Temperature *C |
Power: sleep W Humidity % |
standby W Altitude km |
idle W Shock g |
seek 30.0 W Rotation RPM 3600
read/write W Acoustic dBA
spin-up W ECC Bit
MTBF h 100000
Warranty Month
Lift/Lock/Park YES Certificates
**********************************************************************
J U M P E R S
**********************************************************************
MICROSC. HH-2XXX SERIES WINCHESTER DISK DRIVE HANDLING PROCEDURES
Jumper Setting
==============
Termination
Write Protect Drive Select +-------+--------+
| +-----+------+ +++ +--------+---------+
OFF 1-+-2 1-+-+-+-+-+-+-+8+-+-10 1-+-+-+-+-+-+-+-+-+-10
ON |x|x|SW1 |x|x|x|x|x|x|x|x|x|x|SW2 |x|x|x|x|x|x|x|x|x|x| SW3
---+-+-+------+-+-+-+-+-+-+-+-+-+-+-----+-+-+-+-+-+-+-+-+-+-+--PCB-
| |
Sectors/Track Hard/Soft Sector
SW1-1 Sectors per track
-----------------------
SW1-1 ON 36 Sectors per track
SW1-1 OFF 35 Sectors per track
SW1-2 Write Protect
--------------------
SW1-2 ON Write Protected
SW2-1 to SW2-7 Drive Select
---------------------------
+-------+----+----+----+----+----+----+----+
|Switch |DS0 |DS1 |DS2 |DS3 |DS4 |DS5 |DS6 |
+-------+----+----+----+----+----+----+----+
|SW2-1 |ON |OFF |OFF |OFF |OFF |OFF |OFF |
+-------+----+----+----+----+----+----+----+
|SW2-2 |OFF |ON |OFF |OFF |OFF |OFF |OFF |
+-------+----+----+----+----+----+----+----+
|SW2-3 |OFF |OFF |ON |OFF |OFF |OFF |OFF |
+-------+----+----+----+----+----+----+----+
|SW2-4 |OFF |OFF |OFF |ON |OFF |OFF |OFF |
+-------+----+----+----+----+----+----+----+
|SW2-5 |OFF |OFF |OFF |OFF |ON |OFF |OFF |
+-------+----+----+----+----+----+----+----+
|SW2-6 |OFF |OFF |OFF |OFF |OFF |ON |OFF |
+-------+----+----+----+----+----+----+----+
|SW2-7 |OFF |OFF |OFF |OFF |OFF |OFF |ON |
+-------+----+----+----+----+----+----+----+
SW2-8 Hard/Soft Sector
-----------------------
SW2-8 ON Soft Sector
OFF Hard Sector
SW2-9/10 Termination
---------------------
SW2-9 ON
SW2-10 ON Termination in
SW3-1 to SW3-10 Termination
---------------------------
SW3-All ON Termination in
SW3-All OFF Termination out
Terminations to be installed in last drive only.
