12 fdd(fdd1), 13 parallel port(lpt1) – Acrosser AR-B1841 User Manual
Page 21
AR-B1841 User’s Guide
AR-B1841
21
3.12 FDD(FDD1)
AR-B1841 board is equipped with a 34-pin daisy-chain driver connecting cable.
• FDD1: FDC Connector
3.13 Parallel port(LPT1)
This port is usually connected to a printer. The AR-B1841 includes an on-board
parallel port.
• LPT1: Parallel Port Connector
PIN
DESCRIPTION PIN
DESCRIPTION
1
GND
2
DENSEL#
3 GND 4 X
5
KEY
6
DRATE
7 GND 8
INDEX#
9 GND 10
MOTEA#
11
GND 12
DRVB#
13
GND 14
DRVA#
15
GND 16
MOTEB#
17
GND 18
DIR#
19
GND 20
STEP#
21
GND 22
WDATA#
23
GND 24
WGATE#
25
GND 26
TK00#
27
GND 28
WPT#
29
X 30
RDATA#
31
GND 32
STDE1#
33
X 34
DSKCHG#
PIN
DESCRIPTION PIN
DESCRIPTION
1
STB-
14
AFD-
2 PD0 15
ERR-
3
PD1
16
INIT-
4 PD2 17
SLIN-
5 PD3 18
GND
6 PD4 19
GND
7 PD5 20
GND
8 PD6 21
GND
9 PD7 22
GND
10
ACK- 23
GND
11
BUSY 24
GND
12
PE 25
GND
13
SLCT 26
X