B T - 9 1 2 1 E BRAND
NO MORE PRODUCED Native| Translation
------+-----+-----+-----
Form 5.25"/HH Cylinders 1166| | |
Capacity form/unform 107/ MB Heads 5| | |
Seek time / track 16.5/ ms Sector/track 36| | |
Controller ESDI Precompensation
Cache/Buffer KB Landing Zone
Data transfer rate 1.250 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 W Rotation RPM 3600
read/write W Acoustic dBA
spin-up W ECC Bit
MTBF h 50000
Warranty Month
Lift/Lock/Park YES Certificates
**********************************************************************
L A Y O U T
**********************************************************************
BRAND BT-9121/BT-9170/BT-9220-E PRODUCT DESCRIPTION
+---------------------------------------------------------+
| 1-+Spindle |XX
| | |motor |XX J2
| +-+ |XXData
| |XX
| |
| +----J4 ++|XX
| 1----+ |||XX
| Terminator|||XX
| Resistor |||XX
| ++|XX J1
| ++|XXControl
| Terminator|||XX
| Resistor |||XX
| |||XX
| ++|
| |XX J3
| |XXPower
+---------------------------------------------------------+
**********************************************************************
J U M P E R S
**********************************************************************
BRAND BT-9121E/B-9170E/BT-9220E PRODUCT DESCRIPTION
Jumper Setting
==============
J4 Drive Select
---------------
+----------+-----------------------+
| Drive | Jumpers |
| Address | 5-6 | 3-4 | 1-2 |
+----------+-------+-------+-------+
| 0 | OPEN | OPEN | OPEN |(Deselected)
| 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|
+----------+-------+-------+-------+
J4 Soft/Hard Sector Configuration
---------------------------------
B
+-+-+
+ 10-+8-+6-+4-+-2+ J4
A -+ +--+--+--+--+--+
+ +9-+7-+5-+3-+-1+
+-+-+ +--+---+--- Drive Address
C
9 & 10 is position A
8 & 10 is position B
7 & 9 is position C
B JUMPER IN POSITION A
+-+-+ +--+--+
+ 10-+8-+- |XX| O| Soft Sectored mode
A -+ +--+--+- +XX+--+ Bytes per sector are determined
+ +9-+7-+- |XX| O| by the Controller
+-+-+ +--+--+
C
B NO JUMPER
+-+-+ +--+--+
+ 10-+8-+- |O | O| 35 Sectors/track
A -+ +--+--+- +--+--+ 512 Bytes/Sector (Formatted)
+ +9-+7-+- |O | O| 598 Bytes/Sector (Unformatted)
+-+-+ +--+--+
C
B JUMPER IN POSITION B
+-+-+ +--+--+
+ 10-+8-+- |XXXXX| 36 Sectors/track
A -+ +--+--+- +--+--+ 512 Bytes/Sector (Formatted)
+ +9-+7-+- |O | O| 581 Bytes/Sector (Unformatted)
+-+-+ +--+--+
C
B JUMPER IN POSITION C
+-+-+ +--+--+
+ 10-+8-+- |O | O| 34 Sectors/track
A -+ +--+--+- +--+--+ 512 Bytes/Sector (Formatted)
+ +9-+7-+- |XXXXX| 615 Bytes/Sector (Unformatted)
+-+-+ +--+--+
C
B JUMPER IN POSITION B & C
+-+-+ +--+--+
+ 10-+8-+- |XXXXX| 64 Sectors/track
A -+ +--+--+- +--+--+ 256 Bytes/Sector (Formatted)
+ +9-+7-+- |XXXXX| 327 Bytes/Sector (Unformatted)
+-+-+ +--+--+
C
Spindle Motor Option Jumper
---------------------------
Pins 1 & 2 OPEN Spindle motor starts when power is applied
(power-up)
CLOSED Spindle motor starts on command
