DASDEC oriented VIA motherboard schematic & layout
Important Connector Pinouts:
For more details refer to VIA Users Manual for EPIA-M series.
Other VIA Chipset
components
DIMM
256MB
MEM
VIA
Eden
Or
C3
CPU
ATXPWR – from Power
Supply. To Hard Drive
and LCD
IDE1 –
To Hard
Drive
IDE2
PCI – Riser card to horizontal PCI Card
Floppy
Disk-
Unused
CMOS
Battery
COM2 to
LCD
USB ¾ to Ext
Ports
Power on,
Connector to Speaker
Standard PC Pinout
IEEE1394 ½ to Ext Ports
IEEE
1394
Ports
1/2
USB
Ports
3/4
Top: RJ45 to LAN
Bottom: USB Ports 1/2
VGA Out
Top: PS/2 Mouse
Bottom: PS/2 Keyboard
Audio Block:
Blue: Audio Line-In
Green: Audio Line-Out
Pink: Audio Mic-In
Top: Parallel Port
Bottom: Left: S-Video
Middle: RCA/SPDIF
Right: COM1 Serial for
External Device control
Pin 1
COM2 Serial Port
Pin 9
Pin 2
Pin 1
Power On, Speaker
Pin 15
Pin 2
Pin 6: Power On+ Pin 7:
Pin 8:Power On- Pin 13: Speaker -
Upper Deck
Port Block
