VGA DB15-S Female DB9 Female
15-pin 9-pin assignment 1 1 Red 2 2 Green 3 3 Blue 4 - Monitor ID bit 2 5 - N/C 6 6 GND (red return) 7 7 GND (green return) 8 8 GND (blue return) 9 - N/C 10 - GND 11 - Monitor ID bit 0 12 - Minitor ID bit 1 13 4 Horizontal Sync 14 5 Vertical Sync 15 - N/C Monitor ID bit 0: reserved Monitor ID bit 1: GND = mono, OPEN = color Monochrome monitors use the green signal
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VGA (VESA standard)
(From Bob Myers)
Note that many of the pins shown above as "no connects" (actually, these were sometimes used as monitor ID bits by many manufacturers) are now defined under the VESA Display Data Channel standard. This standard provides two protocols for display ID and control, including support for the full ACCESS.bus interface. The current definition of the "VGA" pinout per the DDC standard is:
6 1 Red (Analog) 6 Red Return 11 Monitor ID0 (opt.) 11. . . 1 2 Green (Analog) 7 Green Return 12 Data (SDA) . . . 3 Blue (Analog) 8 Blue Return 13 Horzontal Sync . . . 4 Reserved 9 +5 VDC (frm host)* 14 Vertical Sync . . . 5 Return 10 Sync return 15 Data clock (SCL)* . . . 15 10 5Those signals marked with an asterisk would be supplied by the host only if the host supports the DDC2 protocol (I2C or ACCESS.bus).
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VGA Lilne out 15 pin
3.1.1) Original VGA (31.5 KHz - 640x480)
(From Sam Goldwasser)SVGA (35-37 KHz - 800x600) 15 pin sub D:
6 1 Red (Analog) 6 Red Return 11 (ID0) GND (Color) 11. . . 1 2 Green (Analog) 7 Green Return 12 (ID1) NC (Color) . . . 3 Blue (Analog) 8 Blue Retuen 13 Horzontal Sync . . . 4 Reserved 9 No Connect 14 Vertical Sync . . . 5 Ground 10 Ground 15 No Connect . . . 15 10 5Note:
Monitor ID Lines ID1,ID0=NC,G for color; G,NC for Mono. ID0 only may be used.
Mono VGA is similar using only the Green Video and Return.
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