Ide connector (j21) – Multi-Tech Systems RAS96 User Manual
Page 74
RAS96 RASCard User Guide
CommPlete Communications Server
66
IDE Connector (J21)
This connector supplies IDE data and signals for an IDE CD-ROM drive or a second
hard disk.
Figure A-7. IDE connector.
Pin
Description
Pin
Description
Pin
Description
1
/Reset
15
Data Bit 1 (SD1)
29
NC
2
Ground (GND)
16
Data Bit 14 (SD14)
30
Ground (GND)
3
Data Bit 7 (SD7)
17
Data Bit 0 (SD0)
31
IRQ14
4
Data Bit 8 (SD8)
18
Data Bit 15 (SD15)
32
/IOCS16
5
Data Bit 6 (SD6)
19
Ground (GND)
33
Address Bit 1 (SA1)
6
Data Bit 9 (SD9)
20
NC
34
NC
7
Data Bit 5 (SD5)
21
NC
35
Address Bit 0 (SA0)
8
Data Bit 10 (SD10)
22
Ground (GND)
36
Address Bit 2 (SA2)
9
Data Bit 4 (SD4)
23
-I/O Write (-IOW)
37
Chip Select 0 (-CS0)
10
Data Bit 11 (SD11)
24
Ground (GND)
38
Chip Select 1 (-CS1)
11
Data Bit 3 (SD3)
25
-I/O Read (-IOR)
39
/HDLED
12
Data Bit 12 (SD12)
26
Ground (GND)
40
Ground (GND)
13
Data Bit 2 (SD2)
27
IOCHRDY
14
Data Bit 13 (SD13)
28
ALE\