Re: AE PC Transporter

[buggie@ben16.unm.edu (stephen e buggie)]

Thanks for the advice!   If I got a CGA IBM-monitor, with the color
picture quality be better than the standard IIgs?   Can the IBM monitor
called "VGA" or "SVGA" be used?   These monitors are most common....

Steve


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David Empson (dempson@actrix.gen.nz) wrote:
: stephen e buggie <buggie@ben09.unm.edu> wrote:

: > The PC-TRANSPORTER that I got in a junked IIgs cpu has a mini-card called
: > "AE COLOR-SWITCH." (1987).  A 5-pin db-15 plug connects to the RGB socket,
: > then to the mini-board, then to PC Transporter.  The color-switch has a
: > db-15 socket on the board.
: > 
: > What does color-switch do?  What plugs into it????

: The ColorSwitch is intended to be used in a IIgs only.  It is used to
: switch the video output between the PC Transporter's CGA output
: (converted to analog RGB by the ColorSwitch), and the standard IIgs
: video output.

: The IIgs monitor is supposed to be plugged into the DA-15 connector on
: the ColorSwitch.  The cable from the PC Transporter includes a signal
: which selects the active video source, which is controlled by the PC
: Transporter software.

: (This may be the mysterious tenth pin on the PC Transporter CGA video
: connector, since CGA only needs nine pins.)

: Incidentally, note that the connector is a "DA-15", not a "DB-15".  The
: "B" in "DB" refers to the size of the connector, and this is only
: correct for the DB-25 (standard RS-232 connector, also used on parallel
: cards and for SCSI ports on Apple computers).

: If there was such a thing, a "DB-15" would be physically the same size
: as a DB-25, but with less pins.

: Another data point: the 9-pin connector used for the Apple II joystick
: (and for serial port connectors on the PC/AT and later machines) is a
: "DE-9".  The VGA connector uses a plug which is the same physical size
: but with 15 pins (in three rows).  This connector is a "DE-15".

: -- 
: David Empson
: dempson@actrix.gen.nz
: Snail mail: P.O. Box 27-103, Wellington, New Zealand