KONTRON
Floppy Interface
36
coolMONSTER/S User’s Guide
18.
FLOPPY INTERFACE
The floppy-drive controller can support two floppy drive disk drives (3.5” and 5.25”) and densities
that range from 360kB to 2.88MB. The controller is 100% IBM compatible.
18.1
Connector
The floppy disk interface is available on Connector X19 (34 pins).
The following table shows the connector pin-out.
Header
Pin
Signal Name
Function
Pin
Signal Name
Function
1
GND
Ground
2
/RPM
Density select
3
GND
Ground
4
NC
5
GND
Ground
6
NC
7
GND
Ground
8
/INDEX
Index
9
GND
Ground
10
/MTR0
Motor on 0
11
GND
Ground
12
/DR1
Drive select 1
13
GND
Ground
14
/DR0
Drive select 0
15
GND
Ground
16
/MTR1
Motor on 1
17
GND
Ground
18
/FDIR
Direction
19
GND
Ground
20
/STEP
Step
21
GND
Ground
22
/WDATA
Write data
23
GND
Ground
24
/WGATE
Write gate
25
GND
Ground
26
/TRK0
Track 0
27
GND
Ground
28
/WRTPRT
Write protect
29
GND
Ground
30
/RDATA
Read data
31
GND
Ground
32
/HDSEL
Head select
33
GND
Ground
34
/DSKCHG
Disk change
To find the location of floppy-drive interface, please see the Appendix E: Connector Layout chapter.
18.2
Configuration
You can configure floppy drive settings from the BIOS Setup Utility, using the I/O Device
Configuration Submenu and the Main Menu. Density options range from 360 kilobits to 2.88MB. The
default density is 1.44/1.25MB 3.5”. See Appendix B: BIOS Operation for more information.
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