W6-LI System Board Manual
Chapter 2: Configuring the W6-LI
16
Connector
Function
Notes
J19-J20
ISA Bus Expansion Slots
J23
Power Supply Connector
ATX Standard
J27
Front I/O Connector
"
System Power On/Off
1 - Power; 2 - Ground
"
Reset Switch
23 - Reset; 22 - Ground
"
PC Speaker
Note: Jumper pins 26 and 27
to use the onboard speaker
27 - Speaker; 24 - +5V DC
"
Power-On LED
20 - Positive; 18 - Ground
"
IDE LED
Note: IDE and SCSI functions
share the same LED
13 or 16 - Positive; 15 - Negative
"
Infrared
6 - +5V DC; 8 - Receive Data;
9 - Ground; 10 - Transmit Data
"
Speaker (Buzzer)
Note: Jumper pins 26 and 27
to use the onboard speaker
Enabled (default)
J28
Infrared Port Connector (Note:
Do not connect IR devices to
J27 & J28 simultaneously)
1 - Receive Data; 2 - Ground;
3 - Transmit Data; 4 - +5V Power
J29, J30
CPU Fan
(J29 - Primary)
(J30 - Secondary)
1 - 12+V Power; 2 - Ground;
3 - Status (Running or Stopped)
J31
Chassis Fan
1 - 12+V Power; 2 - Ground;
3 - Status (Running or Stopped)
J33
CD-ROM Audio Input
1 - Ground; 2 - CD-In Left Channel;
3 - Ground; 4 - CD-In Right Channel
J34
Modem/Telephony
1 - No Connect; 2 - MIC Out;
3 - Ground; 4 - Speaker Input
J35
Game Port/MIDI
MIC In
Line In
Line Out
Upper Level
Lower Level
Lower Level
Lower Level
J36
Wavetable Upgrade
1 - Right Channel Input; 2 - Ground;
3 - Left Channel Input; 4 - Ground;
5 - No Connect; 6 - Ground;
7- Ground; 8 - Ground
J37
SCSI 50-pin Cable Connector Fast SCSI (optional)
J38
SCSI 68-pin Cable Connector Ultra Wide SCSI (optional)
U1
Primary P6 CPU
Socket 8 (387-pin)
U2
Secondary P6 CPU
Socket 8 (387-pin)
U25
System BIOS
Table 2-9B: Case & Peripheral Connections (cont.)