CONFIGURATION INFORMATION
Configuration and Jumper Options
Master/Slave Selection
The interface allows up to two drives (a Master) and one Slave) to be attached to the IDE bus. This is selected by jumpers ID1 and ID0, as follows:
Jumpers Description
ID1 ID0
in in Drive emulates both Master and Slave
in out Drive is Master, Slave is present
out in Drive is Slave
out out Drive is Master (factory default configuration
Two jumpers are provided in a poly bag for use by customers requiring configuration other than the factory default.
For any of these configurations, Micropolis highly recommends the use of the supplied OnTrack Disk Manager software to auto-configure the drive without defining the drive to the system BIOS. Disk Manager will handle partitioning and formatting the drive.
Drive emulates both Master and Slave: Specifies that one drive can emulate both the Master drive (Drive 0) and the Slave drive (Drive 1). This option allows for existing host systems to utilize the full capacity of the drive.
When the drive is configured as both the Master and the Slave, the recommended drive type setting in the computer's CMOS memory is as follows:
Drive 0: 1024 cylinders, 16 heads, 63 sectors
Drive 1: 1024 cylinders, 16 heads, 63 sectors
Drive is Master, Slave is present: Specifies the Master drive (Drive 0) when two drives are used in a system. The other drive is Slave.
Drive is Slave: Specifies the Slave drive (Drive 1) when two drives are used in a system. The other drive is Master.
Drive is Master: Specifies the Master drive when one drive is used in a system.
When the drive is configured as a Master or as a Slave, the recommended drive type parameters are as follows:
Model 4110A: 2048 cylinders, 16 heads, 63 sectors
Spindle Synchronization
Jumper SS1 controls the spindle synchronization function.
When a jumper is installed at SS1 (the factory default configuration), the spindle synchronization signal is enabled onto pin 28 of Signal Connector J1.
When a jumper is
not installed at SS1, the spindle synchronization signal is
not enabled onto pin 28 of Signal Connector J1.
Jumper ST1 controls the usage of the spindle synchronization signal.
When a jumper is installed at ST1, the drive
receives the spindle synchronization signal from pin 28 of Signal Connector J1.
When a jumper is not installed at ST1 (factory default configuration), the drive
emits the spindle synchronization signal onto pin 28 of Signal Connector J1.