Interfaces and Connectors
EPM-15 Reference Manual
32
Video Interface
An on-board video controller integrated into the chipset provides high performance video output
for the EPM-15. (The EPM-15 can also be operated without video card attached. See “Console
Redirection.”)
C
ONFIGURATION
The EPM-15 uses a shared-memory architecture. This allows the video controller to use 16 MB
of system DRAM for video RAM.
The EPM-15 supports two types of video output, SVGA and LVDS Flat Panel Display.
V
IDEO
BIOS
S
ELECTION
Jumper V4[3-4] can be removed to allow the system to boot off of the Secondary Video BIOS.
Unlike the Primary Video BIOS, the Secondary Video BIOS can be reprogrammed in the field.
SVGA
O
UTPUT
C
ONNECTOR
See Figure 7 for connector location information. An adapter cable, part number CBR-1201, is
available to translate J1 into a standard 15-pin D-Sub SVGA connector.
This connector uses IEC 61000-4-2-rated TVS components to help protect against ESD damage.
Table 8: Video Output Pinout
J1
Pin
Signal
Name
Function
Mini DB15
Pin
1
GND
Ground
6
2
CRED
Red
video
1
3
GND
Ground
7
4
CGRN
Green
video
2
5
GND
Ground
8
6
CBLU
Blue
video
3
7
GND
Ground
5
8
CHSYNC
Horizontal
Sync
13
9
GND
Ground
10
10
CVSYNC
Vertical
Sync
14
11
–
pulled
high
–
12
–
pulled
high
–
