Usb Connectors; Parallel Port Connector: Lpt1 - VIA Technologies P4XB-S User Manual

USB Connectors

The VIA P4XB-R and P4XB-S mainboards provide 2 USB ports (plus 2 pin-
headersfor up to 4 additional USB connections; see 2-18). USB-compatible
devices can be plugged directly into these ports.
1 2 3 4
5 6 7 8
USB Ports

Parallel Port Connector: LPT1

The mainboard provides a 25-pin female connector for LPT (parallel port). A
parallel port is a standard printer port that supports Enhanced Parallel Port
(EPP) and Extended Capabilities Parallel Port (ECP) modes.
13
25
PIN SIGNAL
1 VCC
2 -Data 0
3 +Data0
4 GND
5 VCC
6 -Data 1
7 +Data 1
8 GND
PIN
1
1
2
3
4
5
6
7
14
8
9
10
1 1
12
13
14
15
16
17
18
19
20
21
22
23
24
25
2-15
Installation
Pin Definition
DESCRIPTION
+5V
Negative Data Channel 0
Positive Data Channel 0
Ground
+5V
Negative Data Channel 1
Positive Data Channel 1
Ground
Pin Definition
SIGNAL DESCRIPTION
STROBE Strobe
DATA0 Data0
DATA1 Data1
DATA2 Data2
DATA3 Data3
DATA4 Data4
DATA5 Data5
DATA6 Data6
DATA7 Data7
ACK# Acknowledge
BUSY Busy
PE Paper End
SELECT Select
AUTO FEED# Automatic Feed
ERR# Error
INIT# Initialize Printer
SLIN# Select In
GND Ground
GND Ground
GND Ground
GND Ground
GND Ground
GND Ground
GND Ground
GND Ground