VIA Technologies EPIA-M840, User Manual

Page: 13 / 84

4
Item Description Page
1 DC-in power connector (DC12V1) 30
2 PS/2 keyboard and mouse pin header (KBMS) 24
3 ATX power supply connector (ATX_POWER1) 29
4 VIA Nano CPU (U16) 2
5 VIA VX800 chipset (U15) 2
6 CPU fan connector (CPUFAN1) 28
7 Memory slots (DIMM1, DIMM2) 26
8 LVDS connectors (LVDS1, LVDS2) 10
9 CMOS battery socket (BAT1) 30
10 System fan connector (SYSFAN1) 28
11 LVDS inverter connectors (INVERTER1, INVERTER2) 12
12 SATA connectors (SATA1, SATA2) 13
13 IDE connector (IDE1) 15
14 Front panel pin header (F_PANEL1) 25
15 SPDIF connector (SPDIF1) 24
16 MFX pin header (MFX1) 23
17 LPC pin header (LPC1) 21
18 SPI pin header (SPI1) 23
19 Digital I/O pin headers (DIO1, DIO2) 19
20 Front audio pin header (F_AUDIO1) 25
21 PCI Express x4 slot (PCIE1) 17
22 LPT pin header (LPT1) 20
23 Fast IR pin header (FIR1) 22
24 SATA power connectors (S_PWR1, S_PWR2) 14
25 USB pin header (USB_2/3) 17
26 COM pin headers (COM3, COM4, COM5, COM6, COM7,
COM8) 18
27 COM voltage selector for COM1 and COM2 (J1) 33
28 AT/ATX mode power selector (J2) 35
29 Clear CMOS jumper (CLEAR_CMOS1) 34
30 LVDS1 power selector (J3) 31
31 Inverter power selector for LVDS2 (IVDD2) 31
32 Panel power selector for LVDS2 (PVDD2) 31
33 SMBus pin header (SMBUS1) 22
34 Thermal sensor pin header (J5) 28
35 SATA DOM power selector (J7) 32
36 CF voltage selector (CF_SEL1) 32
37 IDE DOM power selector (J4) 33
38 COM voltage selector for COM3 and COM4 (J6) 33
39 COM voltage selector for COM5 and COM6 (J8) 33
40 COM voltage selector for COM7 and COM8 (J9) 33
Note:
Note: Note:
Note:
For the purposes of simplifying the illustration, the connectors
for both DC-in and standard versions have been included in the
diagram. However, actual products will only have one or the
other.