Flexible Diskette (Cn18) - NCR RealPOS 7458 Hardware Service

Flexible Diskette (CN18)

Signal Name Pin Pin
Ground 1 2
Ground 3 4
Key 5 6
Ground 7 8
Ground 9 10
Ground 11 12
Ground 13 14
Ground 15 16
Ground 17 18
Ground 19 20
Ground 21 22
Ground 23 24
Ground 25 26
Ground 27 28
Ground 29 30
Ground 31 32
Ground 33 34
Signal Name
DRVDEN0
Reserved
DRVDEN1
Index#
Motor Enable 1#
Drive Select 0#
Drive Select 1#
Motor Enable 0#
DIR#
STEP#
Write Data#
Write Gate#
Track 0#
Write Protect#
Read Data#
HDSEL
DSKCHG Change#
Chapter 3: Hardware Service 3-65