Floppy Headers - Motorola CPV5300 CompactPCI Installation Manual

Pin Assignments

Floppy Headers

Refer to Table A-15 and Table A-16 for floppy header pin assignments for the:
• CPV5300 Single Board Computer (SBC), (J11)
• CPV5300 Transition Module (TM), (J9)
Table A-15. Floppy Header Pin Assignments for the CPV5300 Single board
Pin Signal
Number Mnemonic
1 +5V
2 INDEX
3 +5V
4 DS0
5 +5V
6 DCHG
7 -
8 -
9 -
Computer (J11)
Signal Pin
Description Number
drive power 14
beginning of a 15
track
drive power 16
drive select 0 17
drive power 18
notifies disk 19
drive controller
that drive door
is open
- 20
- 21
- 22
Signal Signal Description
Mnemonic
STEP supplies step pulses to
move head during seek
operations
GND drive common
WDATA writes serial data to disk
drive
GND drive common
WGATE enables head of disk
drive to write to disk
GND drive common
TR0 head of FDD is
at track 0
GND drive common
WPROT disk is write protected
A
A-17