If the CPD-1304 monitor works with the Macintosh High-Resolution Video Card
(the current 8-bit display card), there won't be any problem with the Display
Card 8/24GC signals driving the Sony CPD-1304.  (We have not been able to
verify that the CPD-1304 monitor works with the Macintosh High-Resolution Video
Card, but we do know that Sony's CPD-1302 monitor works with that card.)
However, you will need to use a different cable to connect the two devices
because the cards have different connectors.
 
An issue with regard to the cable concerns the sense pins, which tell the card
what type of monitor is attached.  For the Sony CPD-1302 monitor, the sense
pins should be configured as below, where 0 = Ground and 1 = Not Ground.  To
ground a sense pin, tie it to the C&VSYNC.GND signal.
 
 
Sense pins                                  Hor x Vert     Dot        Vert
10     7      4     Display                   Pixels      Clock     Refresh
---------------     --------------------    ----------    -----     -------
1      1      0     12" Monochrome Monitor  640 x 480     30.24     66.7
                    13" Color Monitor
 
 
Here are the pinouts for the Macintosh Display Card 8/24GC:
 
Pin    Signal          Description 
-----  -----------     ---------------------------------------- 
1      RED.GND         Red Video Ground 
2      RED.VID         Red Video 
3      CYSNC~          Composite Sync 
4      MON.ID1         Monitor ID, Bit 1 (also known as SENSE0) 
5      GRN.VID         Green Video 
6      GRN.GND         Green Video Ground 
7      MON.ID2         Monitor ID, Bit 2 (also known as SENSE1) 
8      nc              (no connection) 
9      BLU.VID         Blue Video 
10     MON.ID3         Monitor ID, Bit 3 (also known as SENSE2) 
11     C&VSYNC.GND     CSYNC & VSYNC Ground 
12     VSYNC~          Vertical Sync 
13     BLU.GND         Blue Video Ground 
14     HSYNC.GND       HSYNC Ground 
15     HSYNC~          Horizontal Sync 
Shell  CHASSIS.GND     Chassis Ground