American Megatrends MegaDual, User Manual

Page: 22 / 120

MegaDual PCI Motherboard User’s Guide 16
Step 8 Attach Cables,
Continued
JP10 IDE LED JP10 is a 2-pin connector. This jumper normally connects to the chassis. Pin 1 is indicated
by the arrow:
J1 PS/2 Keyboard and Mouse Combination The keyboard connector (on bottom) is a 9-pin MINIDIN
socket. The pinout is shown below.
Pin Assignments
1 Keyboard data
2, 6 Not used
4 VCC
5 Keyboard clock
3, 13, 14 Ground
The mouse connector (on top) is a 9-pin MINIDIN. The pinout is:
Pin Description Pin Description
7 Mouse data 8, 12 N/C
3 Keyboard
ground
10 VCC
11 Mouse clock 9, 15, 16 Ground
JP12 Chassis Door Intrusion JP12 is a 2-pin berg that can be used to attach a wire to the chassis door
intrusion connector, if the chassis has this feature. The logic must be set so that Pin 1 and
Pin 2 are shorted when the chassis door is closed and open when the chassis door is
opened.
JP17 SCSI LED JP17 is a 2-pin single inline berg that indicates whether the SCSI is active.
Cont’d