4 4 2 0 SIEMENS NIXDORF
NO MORE PRODUCED Native| Translation
------+-----+-----+-----
Form 5.25"/FH Cylinders 1100| | |
Capacity form/unform 335/ 383 MB Heads 11| | |
Seek time / track 16.5/ 5.0 ms Sector/track 54| | |
Controller SCSI1 SINGLE-ENDED Precompensation
Cache/Buffer 32 KB FIFO BUFFER Landing Zone
Data transfer rate 1.500 MB/S int Bytes/Sector 512
4.000 MB/S ext SYNC
Recording method operating | non-operating
-------------+--------------
Supply voltage 5/12 V Temperature *C 10 50 |
Power: sleep W Humidity % 20 80 |
standby W Altitude km |
idle W Shock g |
seek W Rotation RPM 3558
read/write 27.0 W Acoustic dBA
spin-up W ECC Bit 48
MTBF h 40000
Warranty Month
Lift/Lock/Park YES Certificates
**********************************************************************
L A Y O U T
**********************************************************************
EZI MEGAFILE SCSI PRODUCT DESCRIPTION REV. A, AUGUST 1987
+----------------------------------------------xxxxxxxxJ10+
| Terminator xxxxxxxx |XXI
| Resistor Packs J9 |XXN
| |XXT
| |XXE
| |XXR
| |XXF J1
| |XXA
| |XXC
| |XXE
| |1X
| |+-J2
| || |ID
| || |
| |1-+
| |XX
| |XX J3
+---------------------------------------------------------+1 Power
+---------+------------------+---------+
| | | |
| |X J18 Ground | |
| +------------------+ |
| |
| J3 J2 J1 |
| XXXXX xxxxxxx XXXXXXXXXXXXXXXXXXXXXXX|
+-1-----1-------1----------------------+
**********************************************************************
J U M P E R S
**********************************************************************
EZI MEGAFILE SCSI PRODUCT DESCRIPTIO REV. A, AUGUST 1987
Jumper Setting
==============
J9 and J10 Terminators
-----------------------
All single-drive systems have terminators J9 and J10 installed. For
multi-drive systems, terminators J9 and J10 may only installed in the
last drive of a daisychain configuration. All drives are shipped with
the terminators installed.
J18 Grounding Connector
------------------------
The frame grounding connector (J18) is a Faston AMP P/N 61761-2 tap
connector. The recommended mating connector is AMP P/N 62187-1 or
equivalent. The hole in the Faston tap accomodates a wire size of
18 AWG.
Use of frame ground connection is recommended in order to reduce
ground loops which may result in electrical noise problems.
J2 Device address selection
----------------------------
+-------------- Parity
| +----------- Spindle Control
| | +-------- Reset
Addr. Filed | | | +----- Write Protected
+--+--+ | | | | +-- Reserved
+--+--+--+--+--+--+--+--+
|01|03|05|07|09|11|13|15|
+--+--+--+--+--+--+--+--+
|02|04|06|08|10|12|14|16|
----+--+--+--+--+--+--+--+--+------PC Board
-------------------------------------
Device address selection
------------------------
The address of each MegaFile Series Drive is set by installing the
address jumper on J2 on the device electronics board. Each drive must
have a unique address. The sequence of addressing is optional. All
drives are shipped with address 0 preset.
+----------+-----------------------+
| SCSI ID | Jumpers |
| | 5-6 | 3-4 | 1-2 |
+----------+-------+-------+-------+
| 0 | OPEN | OPEN | OPEN |
| 1 | OPEN | OPEN | CLOSED|
| 2 | OPEN | CLOSED| OPEN |
| 3 | OPEN | CLOSED| CLOSED|
| 4 | CLOSED| OPEN | OPEN |
| 5 | CLOSED| OPEN | CLOSED|
| 6 | CLOSED| CLOSED| OPEN |
| 7 | CLOSED| CLOSED| CLOSED|
+----------+-------+-------+-------+
J2 7,8 Parity check
--------------------
Jumper installed: Parity check enabled
J2 9,10 Spindle control
------------------------
Jumper installed: Automatic spin up
J2 11,12 Reset option
----------------------
Jumper installed: Hard SCSI reset
J2 13,14 Write protect
-----------------------
Jumper installed: Drive write protected
