Installing components
153
Video port
The integrated ATI RAGE XL 64-bit SVGA chip contains an SVGA controller that is
fully compatible with industry video standards. The standard system configuration
comes with 16 MB of video memory. You cannot add video memory to this system.
The following table shows the pin-number assignments for the video connector on the
system board.
Keyboard and mouse ports
The PS/2-compatible connectors for the keyboard and mouse share a common
housing, but they are not functionally equivalent.
The following table shows the pin-number assignments for the keyboard connector
on the system board.
Table 15. Video-port connector pin-number assignments.
Pin
Signal
Pin
Signal
Pin
Signal
1
Red
6
GND
11
NC
2
Green
7
GND
12
DDCDAT
3
Blue
8
GND
13
HSYNC
4
N/C
9
N/C
14
VSYNC
5
GND
10
GND
15
DDCCLK
Table 16. Keyboard connector pin-number assignments.
Pin
Keyboard signal
Pin
Keyboard signal
1
KEYDAT
4
FUSED_VCC (+5 V)
2
NC
5
KEYCLK
3
GND
6
NC
Table 17. Mouse connector pin-number assignments.
Pin
Mouse signal
Pin
Mouse signal
1
MSEDAT
4
FUSED_VCC (+5 V)
2
NC
5
MSECLK
1
5
11
15
6
4
2
1
3
5
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