Appendix b<i/o port pin assignment, B.1 <floppy port, B.2 <serial ata port – COMMELL ES-270E User Manual

Page 29

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ES-270 User’s Manual I/O Port Pin Assignment

Floppy Port

29

Appendix B<I/O Port Pin Assignment>

B.1 <Floppy Port>

Connector: FDD
Type: 26-pin connector

Pin

Description

Pin

Description

1 VCC

2 INDEX

3 VCC

4 DRV0

5 VCC

6 DSKCHG

7 DRV1

8 N/C

9 MTR1

10

MTR0

11 RPM

12 DIR

13 N/C

14 STEP

15 Ground

16 WRITE

DATA

17 Ground

18 WRITE

GATE

19 N/C

20 TRACK

0

21 N/C

22 WRPTR

23 Ground

24 RDATA-

25 Ground

26 SEL

B.2 <Serial ATA Port>

Connector: SATA1/2

Type: 7-pin wafer connector

1

2

3

4

5

6

7

GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXN1 RSATA_RXP1 GND

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