Chapter 2 Installation
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NET-1821VD2N
7 CS0# 32 CS1#
8 GND 33 VS1#
9 ATASEL# 34 IOR#
10 GND 35 IOW#
11 GND 36 WE#
12 GND 37 IRQ
13 VCC 38 VCC
14 GND 39
CSEL#
15 GND 40 VS2#
16 GND 41
RESET#
17 GND 42
IORDY
18 A2 43
DREQ
19 A1 44
DACK#
20 A0 45
DASP#
21 D0 46
ATA66_DET
22 D1 47 D8
23 D2 48 D9
24 WP/IOCS16# 49
D10
25 CD2# 50 GND
USB Port
The board provides two-group 2x5pin headers (Pitch: 2.54mm); the pin definitions are
as follows:
Pin
Signal Name
Pin
Signal Name
1 +5V 2 +5V
3 USB1_Data- 4 USB2_Data-
5 US
6 US
7 GND 8 GND
J1 (USB1/USB2)
J2 (USB3/USB4)
9 NA 10 GND
