Parallel Connector; Front Panel Connector - DFI EC510 User Manual

Parallel Connector

2
1
Parallel
The 25-pin connector is used to connect an external parallel port. The parallel port connects
your PC to a parallel printer. It supports SPP, ECP and EPP.
Allows normal speed operation but in one
SPP
(Standard Parallel Port) direction only.
Allows parallel port to operate in bidirectional
ECP
mode and at a speed faster than the SPP's data
(Extended Capabilities Port)
transfer rate.
Allows bidirectional parallel port operation at
EPP
maximum speed.
(Enhanced Parallel Port)
Chapter 5 Ports and Connectors
Chapter 5
26
25

Front Panel Connector

HDD-LED - HDD LED
This LED will light when the hard drive is being accessed.
RESET SW - Reset Switch
This switch allows you to reboot without having to power off the system.
PWR-BTN - Power Switch
This switch is used to power on or off the system.
PWR-LED - Power/Standby LED
When the system's power is on, this LED will light. When the system is in the S1 (POS - Power
On Suspend) state, it will blink every second. When the system is in the S3 (STR - Suspend To
RAM) state, it will blink every 4 seconds.
Pin Pin Assignment
3 HDD Power
HDD-LED
5 Signal
7 Ground
9 RST Signal
RESET SW
11 N.C.
35
1 2
Front
PWR-LED
Panel
HDD-LED
RESET-SW PWR-BTN
11 12
Pin Pin Assignment
2 LED Power
4 LED Power
PWR-LED
6 Signal
8 Ground
PWR-BTN
10 Signal
www.dfi .com