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Chapter
2
Interface Information
Introduction
This chapter provides the interface information for the 9130K Flexible Disc Drive. The
information provided in this chapter includes connector locations and pin-outs, signal line
descriptions and typical interface driver and receiver circuits.
Interface
The flexible disc drive
110
connector (J1) is located on the rear edge of the drive electronics
board. The 34 pin edge connector mates with the HP connector part number 1251-3916.
Primary Power Requirements
+12VDC ±0.6VDC
@
900MA (MAX)
+5VD ± 0.25VDC
@
600MA (MAX)
Maximum ripple 100 MV PP
DC power is supplied through a 4 pin connector (J2). The mating connector (not supplied)
is HP part number 1251-4525. Four contacts
PIN
1251-4615 are also required.
The connector (J2) pin out is shown in Figure 2-1.
Pin
Supply Voltage
1
+ 12VDC
2
+ 12V Return
3
+5V Return
4
+5VDC
Figure 2-1:
Connector J2 Pin Out
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