Apple Display Connector (ADC, Apple Digital) video pinout

35 pin Apple ADC "MicroCross" female connector layout
35 pin Apple ADC “MicroCross” female connector at the Apple computer


35 pin Apple ADC "MicroCross" male connector layout
35 pin Apple ADC “MicroCross” male connector

The Apple Display Connector (ADC) is a
proprietary modification of the DVI connector that combines analog and
digital video signals, USB, and power all in one cable. Apple used ADC
for their flat panel LCDs and their final CRT display, before deciding
to use Digital Video Input (DVI).

An ADC display accepts only digital input signals. As such, the
appropriate connector can only be used with a graphics card which
provides digital output. This connector does not support connections
from graphics adapters providing Analog-only (VGA) output.

A monitor using an ADC connector can be directly connected to a
graphics card which provides an ADC output. Additionally, an ADC monitor
may be connected to a graphics card providing a DVI-I or DVI-D output
when used with a third party adapter. DVI to ADC adapters should be available directly from Apple or from most local Apple-Authorized Dealers.

Pin

Function

Pin

Function

1

25V Supply

16

T.M.D.S. Data1/3 Shield

2

25V Supply

17

T.M.D.S. Data3-

3

LED

18

T.M.D.S. Data3+

4

T.M.D.S. Data0-

19

DDC Clock

5

T.M.D.S. Data0+

20

Clock Return

6

T.M.D.S. Data0/5 Shield

21

USB Data+

7

T.M.D.S. Data5-

22

USB Data-

8

T.M.D.S. Data5+

23

USB Return

9

DDC Data

24 T.M.D.S. Data2-
10 Vertical Sync 25 T.M.D.S. Data2+
11 25V Return 26 T.M.D.S. Data2/4 Shield
12 25V Return 27 T.M.D.S. Data4-
13 Soft Power 28 T.M.D.S. Data4+
14 T.M.D.S. Data1- 29 Clock+
15 T.M.D.S. Data1+ 30 Clock-
MicroCross Pins
Pin Function
C1 Analog Blue Video
C2 Analog Green Video
C3 Analog Horizontal Sync
C4 Analog Red Video
C5 Analog RGB Return and
DDC Return

None found.