User`s manual

19
1.5.5 Layout Content List
• 1.5.5.1 Slots
Label Function Note Page
DIMMA1 240-pin DIMM slot 1 1. If there is only one memory
module being installed in the
system, install it on this slot first.
2. If there are only two memory
modules being installed in the
system, install these 2 modules
on “DIMMA1” and “DIMMB1” first.
31
DIMMA2 240-pin DIMM slot 2 31
DIMMB1 240-pin DIMM slot 3 If there are only two memory
modules being installed in the
system, install these 2 modules
on “DIMMA1” and “DIMMB1” first.
31
DIMMB2 240-pin DIMM slot 4 31
PCIEX16 PCI express x16 slot 50
PCIEX4_1 PCI express x4 slot 50
PCI1,
PCI2,
PCI slot 50
• 1.5.5.2 Internal Jumpers
Label Function Note Page
CLRTC1 Clear CMOS 3 x 1 header, pitch 2.54mm 47
JCOMPWR1,
JCOMPWR2,
JCOMPWR3,
JCOMPWR4
COM1, COM2, COM3, COM4
RI/+5V/+12V Select
3 x 2 header, pitch 2.00mm 48
PSON1 AT/ATX Power Select 3 x 1 header, pitch 2.54mm 48