ROCKY-3705EV-R2 Socket 370 Celeron
TM
, Pentium III
®
& Tualatin Processor with Ethernet , VGA , Audio Board
17
3.2 PCI E-IDE Disk Drive Connector
You can attach four IDE (Integrated Device Electronics) hard
disk drives to the
ROCKY-3705EV-R2
IDE controller .The maximal
data transfer rate is 66MB/s . In this case , Cable total length
shall not exceed 0.46 m ( 18 in ).
CN10 ( 40Pin 2.54mm IDE) : Primary IDE Connector
CN9 ( 40Pin 2.54mm IDE) : Secondary IDE Connector
•
CN10 , CN9 : IDE Interface Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1 RESET#
2 GND
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 GND
20 N/C
21 IDE
DRQ
22 GND
23 IOW#
24 GND
25 IOR#
26 GND
27 IDE
CHRDY
28 GND
29 IDE
DACK
30 GND
31 INTERRUPT
32 N/C
33 SA
1
34 N/C
35
SA 0
36
SA 2
37
HDC CS0#
38
HDC CS1#
39 HDD
ACTIVE#
40 GND
ROCKY-3705EV-R2 Socket 370 Celeron
TM
, Pentium III
®
& Tualatin Processor with Ethernet , VGA , Audio Board
18
3.3 Parallel Port
This port is usually connected to a printer, The
ROCKY-3705EV-R2
includes an on-board parallel port, accessed through a 26-pin flat-
cable connector CN7.
•
CN7 : ( LPT1 ) Parallel Port Connector
Pin
Description Pin
Description
1
STROBE#
2
AUTO FORM FEED #
3 DATA
0 4 ERROR#
5 DATA
1 6 INITIALIZE
7
DATA 2
8
PRINTER SELECT LN#
9 DATA
3 10
GND
11 DATA
4 12
GND
13 DATA
5 14
GND
15 DATA
6 16
GND
17 DATA
7 18
GND
19 ACKNOWLEDGE 20
GND
21 BUSY 22
GND
23 PAPER
EMPTY 24
GND
25 PRINTER
SELECT 26
N/C
3.4 Serial Ports
The
ROCKY-3705EV-R2
offers Two high speed NS16C550
compatible UARTs with Read/Receive 16 byte FIFO serial ports
(COM1/COM2).
•
CN20 : Serial Port DB-9 Male Connector (COM1)
Pin No. Description Pin No. Description
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTX
4
DTR
9
RI
5
GND
