Technical Reference Guide
Compaq Personal Computers
Original - March 1998
E-7
E.6 CONNECTORS
The ATI RAGE IIC graphics card contains two connectors: the monitor (display) connector for
attaching a CRT display and a multimedia connector for attaching multimedia peripherals such a
TV or other video cards.
E.6.2 MONITOR CONNECTOR
There are two connector types associated with the graphics subsystem; the display monitor
connector and the graphics memory expansion connectors.
Figure E–4. VGA Monitor Connector, (Female DB-15, as viewed from rear).
Table E–6. DB-15 Monitor Connector Pinout
Table E-6.
DB-15 Monitor Connector Pinout
Pin Signal Description Pin Signal Description
1 R Red Analog [1] 9 +5 VDC +5 volts (fused) [4]
2 G Blue Analog [1] 10 GND Ground
3 B Green Analog [1] 11 Mon. ID Monitor Identification
4 Mon ID Monitor Identification 12 SDA DDC2-B Data [2]
5 GND Ground 13 HSync Horizontal Sync [3]
6 R GND Red Analog Ground 14 VSync Vertical Sync [3]
7 G GND Blue Analog Ground 15 SCL DDC2-B Clock [2]
8 B GND Green Analog Ground -- -- --
NOTES:
[1] RS343A signal levels:
Full on condition = 0.700 VDC
Rise Fall Time @ max pixel rate = 4 ns
Output impedance = 75 ohms
[2] TTL signal levels:
Max Rise Time = 100 ns
Max Fall Time = 15 ns
[3] TTL signal levels:
Max Rise Time = 15 ns
Max Fall Time = 10 ns
[4] Fuse automatically resets when excessive load is removed.
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