Sw1: 3Ð6: Bus Ratio Select; Ide Led Activity Light: (J1 Pin1Ð4); Infrared Port Module Connector (J1 Pin6Ð10) - SOLTEK SL-61A User's Manual & Technical Reference

SW1: 3–6: Bus Ratio Select
SW1: 3–6
Bus Ratio
6
On
5
Off
4
2.5x Off
3
Off
ON
6
Off
5
On
3.0x 4
Off
3
Off
ON
6
On
5
On
3.5x
4
Off
3
Off
ON
6
Off
5
Off
4.0x
4
On
3
Off
ON
6
On
5
Off
4.5x
4
On
3
Off
ON
6
Off
5
On
5.0x
4
On
3
Off
ON
IDE LED Activity Light: (J1 pin1–4)
This connector connects to the hard disk activity indicator
light on the case.
Infrared Port Module Connector (J1 pin6–10)
The system board provides a 5-pin infrared connectorÑIR1
as an optional module for wireless transmitting and
receiving. Pin 6 through 10 are Transmit, GND, Receive
(low speed), Receive (high speed), and Vcc, respectively.
18
SW1: 3–6
Bus Ratio
6
On
5
On
4
5.5x On
3
Off
ON
6
Off
5
Off
6.0x 4
Off
3
On
ON
6
On
5
Off
6.5x
4
Off
3
On
ON
6
Off
5
On
7.0x
4
Off
3
On
ON
6
On
5
On
7.5x
4
Off
3
On
ON
6
Off
5
Off
8.0x
4
On
3
On
ON