The pinouts for the new version of the Portrait Display Video Card are
identical to those of the Macintosh IIci built-in video connector.
Pin Signal
--- ----------------------------------
01 RED.GND Red Video Ground
02 RED.VID Red Video
03 CSYNC Composite Sync.
04 MON.ID1 Monitor ID, Bit 1
05 GRN.VID Green Video
06 GRN.GND Green Video Ground
07 MON.ID2 Monitor ID, Bit 2
08 nc (No Connection)
09 BLU.VID Blue Video
10 MON.ID3 Monitor ID, Bit 3
11 C&VSYNC.GND CSYNC & VSYNC Ground
12 VSYNC Vertical Sync.
13 BLU.GND Blue Ground
14 HSYNC.GND HSYNC Ground
15 HSYNC Horizontal Sync.
Shell CHASSIS.GND Chassis Ground
The finished-goods part number for this cable is #590-0615.
The pin requirements for a cable between a new version of the Portrait Display
Video Card (or a Macintosh IIci) and a Portrait Display are as follows:
DB-15 D Series-Size 3
(On Card) Signal (On Display)
--------- ------ ---------------
1 RED.GND A3 (Outer)
2 RED.VID A3 (Center)
3 CSYNC 5
4 MON.ID1 9
5 GRN.VID A2 (Center)
6 GRN.GND A2 (Outer)
7 MON.ID2 8
8 nc
9 BLU.VID A1 (Center)
10 MON.ID3 3
11 C&VSYNC.GND 4,7,10
12 VSYNC 2
13 BLU.GND A1 (Outer)
14 HSYNC.GND 1
15 HSYNC 6
Shell CHASSIS.GND Shell
Following are the signal assignments for the Portrait Display D-series size 3
connector, shown from the back of the monitor.
Pin Signal Name
--- -----------
A1 Monochrome video
A2 75-ohm
A3 75-ohm
1 Hsync return 1 2 3 4 5
2 Vsync _____________________________
3 Sense #3 \\ _ o o o o o _ _ /
4 Sense ground \\ |_| o o o o o |_| |_| /
5 Csync (not used) \\_______________________/
6 Hsync A1 6 7 8 9 10 A2 A3
7 Vsync return
8 Sense #2
9 Sense #1
10 Csync return (not used)
Shell Shell ground