IBM 8646 Hardware Maintenance Manual - Page 79

Auxiliary-device (pointing device) port, Video port, If you install a PCI video adapter

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Auxiliary-device (pointing device) port The system board has one auxiliary-device port that supports a mouse or other pointing device. The following table shows the pin-number assignments for the auxiliary-device connector on the system board. 6 4 2 5 3 1 Table 14. Auxiliary-device connector pin-number assignments Pin Signal 1 Data 2 Reserved 3 Ground 4 +5 V dc 5 Clock 6 Reserved Video port The server comes with an integrated super video graphics array (SVGA) video controller. This controller is not removable, but you can disable it by installing a PCI video adapter. Note: If you install a PCI video adapter, the server BIOS will automatically disable the integrated video controller. The following table shows the pin-number assignments for the 15-pin analog video connector on the rear of the server. 5 1 15 11 Table 15. Video-port connector pin-number assignments Pin Signal Pin Signal Pin 1 Analog red 6 Red return 11 2 Analog green or monochrome 7 Green return 12 3 Analog blue 8 Blue return 13 4 Not connected 9 PIN 14 5 Digital return 10 Digital return 15 Signal Not connected DDC SDA Horizontal synchronization (Hsync) Vertical synchronization (Vsync) DDC SCL Installing options 71

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Auxiliary-device (pointing device) port
The system board has one auxiliary-device port that supports a mouse or other
pointing device.
The following table shows the pin-number assignments for the auxiliary-device
connector on the system board.
6
4
2
1
3
5
Table 14. Auxiliary-device connector pin-number assignments
Pin
Signal
1
Data
2
Reserved
3
Ground
4
+5 V dc
5
Clock
6
Reserved
Video port
The server comes with an integrated super video graphics array (SVGA) video
controller. This controller is not removable, but you can disable it by installing a
PCI video adapter.
Note:
If you install a PCI video adapter, the server BIOS will automatically disable
the integrated video controller.
The following table shows the pin-number assignments for the 15-pin analog video
connector on the rear of the server.
1
5
11
15
Table 15. Video-port connector pin-number assignments
Pin
Signal
Pin
Signal
Pin
Signal
1
Analog red
6
Red return
11
Not connected
2
Analog green or
monochrome
7
Green return
12
DDC SDA
3
Analog blue
8
Blue return
13
Horizontal
synchronization (Hsync)
4
Not connected
9
PIN
14
Vertical synchronization
(Vsync)
5
Digital return
10
Digital return
15
DDC SCL
Installing options
71