Intel I815E - Manual (Page 19)

INSTALLATIONS
I815E User’s Manual 15
FDD1: Floppy Drive Connector
FDD1 is a 34-pin header and will support up to 2.88MB floppy drives.
Signal Name Pin # Pin # Signal Name
Ground 1 2 RM/LC
Ground 3 4 No connect
Ground 5 6 No connect
Ground 7 8 Index
Ground 9 10 Motor enable 0
Ground 11 12 Drive select 1
Ground 13 14 Drive select 0
Ground 15 16 Motor enable 1
Ground 17 18 Direction
Ground 19 20 Step
Ground 21 22 Write data
Ground 23 24 Write gate
Ground 25 26 Track 00
Ground 27 28 Write protect
Ground 29 30 Read data
Ground 31 32 Side 1 select
FDD1
Ground 33 34 Diskette change
J2: System Function Connector
J2 provides connectors for system indicators that provide light indication
of the computer activities and switches to change the computer status. J2
is a 20-pin header that provides interfaces for the following functions.
Hard Disk Drive LED
Reset Switch
Turbo LED Connector
ATX Power On Switch
SMI / Hardware Switch
Power LED
Speaker