NAS 7800 User’s Manual
15
15
15
15
IDE Connector: IDE
The mainboard has an Ultra DMA 133/100/66 controller. You can
connect up to two IDE devices in any combination.
Pin
Pin
Pin
Pin
Signal
Signal
Signal
Signal
Pin
Pin
Pin
Pin
Signal
Signal
Signal
Signal
1
#IDE_RST
2
GND
3
PD_7
4
PD_8
5
PD_6
6
PD_9
7
PD_5
8
PD_10
9
PD_4
10
PD_11
11
PD_3
12
PD_12
13
PD_2
14
PD_13
15
PD_1
16
PD_14
17
PD_0
18
PD_15
19
GND
20
KEY
21
#PD_REQ
22
GND
23
#PD_IOW
24
GND
25
#PD_IOR
26
GND
27
#PD_RDY
28
GND
29
#PD_ACK
30
GND
31
PD_IRQ14
32
NC
33
PD_A1
34
P_ATA66
35
PD_A0
36
PD_A2
37
#PD_CS1
38
#PD_CS3
39
#HD_LED1 40
GND
41
+5V
42
+5V
43
GND
44
GND
If two drives are connected to a single cable, the jumper on the second
drive must be set to slave mode. Refer to the drive documentation
supplied by the vendor for the jumper settings.