IBM 621410U Hardware Maintenance Manual - Page 87

Video connector, Signal, Signal description

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v Line out v Microphone v One video (optional multiple connectors on some models) v One Ultra160 SCSI (some models) Video connector The computer uses an AGP adapter located in the AGP slot on the system board. The video connector is on the adapter and is located on the rear of the computer. See "Input/output connectors" on page 78 for the location of this connector. 5 1 15 11 Table 8. Monitor connector-pin assignments Pin Signal I/O Pin Signal I/O 1 Red O 9 +5 V dc, used by DDC2B 2 Green I 10 Ground 3 Blue O 11 Monitor ID 0 - not used 4 Monitor ID 2 - not used I 12 DDC2B data I/O 5 Ground 13 Horizontal sync O 6 Red ground 14 Vertical sync O 7 Green ground 15 DDC2B clock I/O 8 Blue ground Some models come with a digital video interface (DVI) connector for connecting a digital monitor. 1 C1 C2 C3 C4 C5 Table 9. DVI monitor connector-pin assignments Pin Signal description Pin 1 TMDS Data2- 16 2 TMDS Data2+ 17 3 Data2/4 shield 18 4 TMDS Data4- 19 5 TMDS Data4+ 20 6 DDC clock 21 7 DDC Data 22 8 Analog VSync 23 9 PMDS Data1- 24 10 TMDS Data1+ C1 11 Data1/3 shield C2 12 TMDS Data3- C3 Signal description Hot plug detect TMDS Data0TMDS Data0+ Data0/5 shield TMDS Data5TMDS Data5+ Clock shield TMDS clock+ TMDS ClockAnalog red Analog green Analog blue Installing options 79

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v
Line out
v
Microphone
v
One video (optional multiple connectors on some models)
v
One Ultra160 SCSI (some models)
Video connector
The computer uses an AGP adapter located in the AGP slot on the system board.
The video connector is on the adapter and is located on the rear of the computer.
See
“
Input/output connectors
”
on page 78 for the location of this connector.
1
5
11
15
Table 8. Monitor connector-pin assignments
Pin
Signal
I/O
Pin
Signal
I/O
1
Red
O
9
+5 V dc, used by DDC2B
2
Green
I
10
Ground
3
Blue
O
11
Monitor ID 0
–
not used
4
Monitor ID 2
–
not used
I
12
DDC2B data
I/O
5
Ground
13
Horizontal sync
O
6
Red ground
14
Vertical sync
O
7
Green ground
15
DDC2B clock
I/O
8
Blue ground
Some models come with a digital video interface (DVI) connector for connecting a
digital monitor.
1
C1
C2
C3
C5
C4
Table 9. DVI monitor connector-pin assignments
Pin
Signal description
Pin
Signal description
1
TMDS Data2-
16
Hot plug detect
2
TMDS Data2+
17
TMDS Data0-
3
Data2/4 shield
18
TMDS Data0+
4
TMDS Data4-
19
Data0/5 shield
5
TMDS Data4+
20
TMDS Data5-
6
DDC clock
21
TMDS Data5+
7
DDC Data
22
Clock shield
8
Analog VSync
23
TMDS clock+
9
PMDS Data1-
24
TMDS Clock-
10
TMDS Data1+
C1
Analog red
11
Data1/3 shield
C2
Analog green
12
TMDS Data3-
C3
Analog blue
Installing options
79