Nova Natural NOVA-7820 VIA C3 Processor CPU Embedded Board Benutzerhandbuch
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3.3 Ultra ATA33/66/100 IDE Disk Drive Connector
You can attach one IDE (Integrated Device Electronics) hard disk drives to
the NOVA-7820 IDE controller.
• CN2: Primary IDE Connector
PIN Description PIN Description
1 RESET# 2 GROUND
3
3
DATA 7
4
DATA 8
5
DATA 6
6
DATA 9
7
DATA 5
8
DATA 10
9
DATA 4
10
DATA 11
11
DATA 3
12
DATA 12
13
DATA 2
14
DATA 13
15
DATA 1
16
DATA 14
17
DATA 0
18
DATA 15
19 GROUND 20
N/C
21 N/C 22
GROUND
23 IOW# 24 GROUND
25 IOR# 26 GROUND
27 CHRDY 28 GROUND
29 DACK 30 GROUND
31 INTERRUPT 32 GROUND
33 SA1 34 P66DET
35 SA0 36 N/C
37
25 IOR# 26 GROUND
27 CHRDY 28 GROUND
29 DACK 30 GROUND
31 INTERRUPT 32 GROUND
33 SA1 34 P66DET
35 SA0 36 N/C
37
HDC CS0#
38
HDC CS1#
39 HDD
ACTIVE# 40
GROUND
3.4 Parallel
Port
This port is usually connected to a printer. NOVA-7820 includes an on-
board parallel port, and accessed through a 26-pin flat-cable connector
CN1. Three modes: SPP, EPP and ECP are supported.
• CN1: Parallel Port Connector
PIN Description PIN
Description
1
STROBE#
14
AUTO FORM FEED #
2 DATA
0
15 ERROR#
3 DATA
1
16 INITIALIZE
4
DATA 2
17
PRINTER SELECT LN#
5 DATA
3
18 GROUND
6 DATA
4
19 GROUND
7 DATA
5
20 GROUND
8 DATA
6
21 GROUND
9 DATA
7
22 GROUND
10 ACKNOWLEDGE
23 GROUND
11 BUSY
24 GROUND
12 PAPER
EMPTY
25 GROUND
13 PRINTER
SELECT
26 N/C