Diamond Systems MM-HP - Manual (Page 6)

CRYSTAL-MM-HP User Manual v2.0 September 2007 Diamond Systems Corporation P. 6
J8 and J13: Mono and PC speaker input/output, standard 1x6-pin right-angle header
PC Speaker Out 1
Mono Out 2
Mono In 3
Agnd 4
PC Speaker In 5
Dgnd 6
This header provides standard PC speaker in (2-pin) and out (4-pin) connections on a single header. The
user may connect the PC speaker either to this point or to the main CPU connection point. The Mono
In/Out signals are available only on versions of the board with the ES1869 chip.
If PC Speaker Out is used on this header, then the main CPU PC Speaker Out signal must be
connected to PC Speaker In on this header. Otherwise there will be no signal on PC Speaker Out on
this header.
Both J8 and J13 are identical and are wired in parallel. Only one of these locations has a pin header
installed, depending on which version of the board you have.
J5 & J6: Stereo 3.5mm jacks
J5: Output Jack
Speaker Out L + or Line Out L + Tip
Speaker Out R + or Line Out R + Ring
Agnd (Speaker / Line Out -) Shield
J6: Input Jack
Line In L + or Microphone in Tip
Line In R + or NC Ring
Agnd (Line / Mic In -) Shield
These jacks are provided for user convenience. Many PC speakers and microphones use standard
3.5mm diameter stereo jacks for connection. The signals appearing on these jacks are controlled by
configuration header J11 located immediately to the left of these jacks.
J12: Game port and MIDI I/O
+5V 1 2 +5V
SW A 3 4 SW C
TA 5 6 TC
Ground 7 8 MIDI Out
Ground 9 10 TD
TB 11 12 SW D
SW B 13 14 MIDI In
+5V 15 16 N/C