M K - 2 3 4 F B TOSHIBA NO MORE PRODUCED Native| Translation ------+-----+-----+----- Form 3.5"/HH Cylinders 845| | | Capacity form/unform 106/ 125 MB Heads 7| | | Seek time / track 20.0/ 7.0 ms Sector/track | | | Controller SCSI1 SINGLE-ENDED Precompensation Cache/Buffer KB Landing Zone Data transfer rate 1.500 MB/S int Bytes/Sector 512 MB/S ext Recording method operating | non-operating -------------+-------------- Supply voltage 5/12 V Temperature *C 5 50 | -10 50 Power: sleep W Humidity % | standby 10.0 W Altitude km | idle W Shock g 10 | 40 seek W Rotation RPM 3600 read/write W Acoustic dBA spin-up W ECC Bit MTBF h 30000 Warranty Month Lift/Lock/Park YES Certificates ********************************************************************** L A Y O U T ********************************************************************** TOSHIBA MK-234FB PRODUCT DESCRIPTION +---------------------------------------------------------+ | 1-+ |+-1 PJ4 | PJ10| | || | | | | ++|+-+ | +-+ ++| | ++ |XX I | || |XX N | || |XX T | ++ |XX E | Terminator ++ |XX R | || |XX F | || |XX A | ++ |XX C | ++ |XX E | || |XX | || |XX | ++ | | |XX Power +---------------------------------------------------------+ ********************************************************************** J U M P E R S ********************************************************************** TOSHIBA MK234FB PRODUCT DESCRIPTION Jumper Setting ============== x = Jumper set at factory PJ4 SCSI ID +--------+-------+-------+-------+ ------------ |SCSI ID | 5-6 | 3-4 | 1-2 | +--------+-------+-------+-------+ +-----+ |x 0 | OPEN | OPEN | OPEN | 1 o o 2 ID 0 | 1 | OPEN | OPEN | CLOSED| | o o | ID 1 | 2 | OPEN | CLOSED| OPEN | 5 o o 6 ID 2 | 3 | OPEN | CLOSED| CLOSED| +-----+ | 4 | CLOSED| OPEN | OPEN | | 5 | CLOSED| OPEN | CLOSED| | 6 | CLOSED| CLOSED| OPEN | | 7 | CLOSED| CLOSED| CLOSED| +--------+-------+-------+-------+ PJ10 Write Protect/Parity Check/Unit Attention/Command Operation ----------------------------------------------------------------- +-----+ 1 o o 2 PJ10 Write Protect | o o | ------------------- | o o | x 3-4 OPEN Not Protected | o o | CLOSED Protected 11 o o 12 +-----+ PJ10 Unit Attention -------------------- x 5-6 OPEN Enable CLOSED Disable PJ10 Command Operation Select ------------------------------ x 7-8 OPEN Mode 0 CLOSED Mode 1 PJ10 Parity Check ------------------ x 9-10 OPEN Disable CLOSED Enable In manufacture setting the terminator is on the MK234FB circuit board. When you use more then three SCSI units, the terminator must be removed except it is set at the end of SCSI cable. The removed terminators must not be used again.