Appendix c. i/o port pin assignment, C.1 ide port – COMMELL HE-860 User Manual
Page 31
HE-860 User’s Manual
31
Appendix C. I/O Port Pin Assignment
C.1 IDE
Port
Connector: IDE1, IDE2
Type: 40-pin header
Pin Description
Pin Description
1 Reset
2 Ground
3 D7
4 D8
5 D6
6 D9
7 D5
8 D10
9 D4
10 D11
11 D3
12 D12
13 D2
14 D13
15 D1
16 D14
17 D0
18 D15
19 Ground
20 N/C
(Vcc)
21 REQ
22 Ground
23 IOW-/STOP
24 Ground
25 IOR-/HDMARDY
26 Ground
27 IORDY/DDMARDY 28 IDESEL
29 DACK-
30 Ground
31 IRQ
32 N/C
33 A1
34 CBLID
35 A0
36 A2
37
CS0 (MASTER CS)
38
CS1 (SLAVE CS)
39 LED
ACT-
40 Ground
Note: The pin-20 of IDE1 is jumper selectable as +5V Vcc for the DOM
(DiskOnModule) or DiskOnChip IDE Pro flash disk without the additional
power cable.
2
1
40
39
This manual is related to the following products: