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1. A track 00 sensor that senses when the Head Carriage Assembly is positioned at Track 00. The two index sensors, each of which consists of an LED light source and

The other input is either a reference frequency (derived from the Reference Clock) of twice the data rate while the data separator is in the idle mode, or when reading the disk

To make the DP8473 open-collector type out- puts compatible with these PS/2 disk drives, all disk inter- face output signals on the DP8473 should have 1 kX pull-up resistors,

The Data Conditioner function is to stretch the narrow Read Signal pulses from the floppy so that they will overlap the microprocessor's clock interval,

The processor generates DISK DRIVE COMMANDS by manipulating bits in the uPD372 write registers and the DISK DRIVE STATUS signals control the state of bits in

Seller warrants that the articles furnished hereunder are free fom defects in material and workmanship and perform to applicable, published Pro-Log specifications

The first of these facilities includes index and sector detection, read/write-head position-actuator drivers, read/write-head load- actuator drivers, write drivers,

When operating from internal program memory, these pins are the output data and strobes to an external serial EEPROM that contains manufacturer specific ID and string