28 Mungo540 User’s Manual
J18: USB1/ USB2; J19: USB3/ USB4 Connectors
J18- USB1/ USB2 and J19- J19USB3/ USB4 are the standard USB external
connectors consisting of two ports. USB support allows connections of
up to 64 plug and play external peripherals per channel. The following
table shows the pin outs of these ports.
Signal Name&
Pin #
Signal Name& Pin #
Pin # Signal
Name
Pin #
Signal
Name
1
Vcc
1
Vcc
2
USB-
2
USB-
3
USB+
3
USB+
PORT2
PORT1
USB1
4
Ground
PORT2
PORT1
USB2
4
Ground
J20: AC'97 Audio Output Connector
Onboard AC ’97 CODEC supports the Audio function. Please refer to the
default jumper setting before you proceeding with system installation.
Signal Name
Pin #
Pin #
Signal Name
LOUTR
1
2
LOUTL
Ground
3
4
Ground
Linr
5
6
LINL
Ground
7
8
Ground
Mic
9
10
BIAS
Ground
11
12
NC
J21: PS/2 Keyboard/Mouse Connector
J21, a 10-pin header connector, has functions for both keyboard and
mouse. The following table shows the pin assignments of this connector.
Signal Name
Pin #
Pin #
Signal Name
N.C.
10
5
N.C.
KB clock
9
4
Mouse clock
KB data
8
3
Mouse data
Vcc
7
2
Vcc
Ground
6
1
Ground
Summary of Contents for Mungo540
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Page 82: ...74 Mungo540 User s Manual Step 16 Step 17...
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Page 90: ...82 Mungo540 User s Manual Appendix A I O Port Address Map B Interrupt Request Lines IRQ...
