Corsham SS30 Serial Board

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Reproduction Corsham SS30 Serial Board

Differences between the Original and Reproduction:

The major difference in this board from the original board is the use of a ground plane pour in all open spaces on the board. Solder mask was deleted under the voltage regulator to provide better cooling of the voltage regulator.

This is an SWTBUG/SBUG compatible serial port using an MC6850 ACIA and providing multiple options for connecting to RS-232 devices. The DB-9 connector is compatible with numerous DB-9 to USB cable converters to allow for quick connection to a PC using a terminal program. There is a Molex connector should you have an original SWTPC RS232 cable. The DB-9 can be installed in either the top or side position. For use in an SWTPC 6800 cabinets it must be installed on top. On an SWTPC 6809 cabinet the DB-9 can be on the side but a filler plate for the back is not available.

Features

Fully software compatible with MP-S. SWTBUG and SBUG works perfectly with it.
Jumper selectable baud rates like the MP-S.
Uses a MAX 233 chip.
DCD and other control signals can be jumpered to the DB-9.
10 pin Molex connector along the top for connecting to existing wiring.
DB-9 located at either the top or rear of the card. Makes it much easier to connect a more current computer as a terminal. By default, the connector is placed pointing straight up so it can be used in an SWTPC case, but can be installed on the back by request.

Note that this card only supports RS-232. It cannot be used with a TTY (Teletype) nor can it be used with a Cassette interface. The SWTPC MP-S and MP-C serial interface boards are available should you need to support TTY or Cassette interfaces.

Downloads

Corsham SS30 Serial Manual.pdf

Price List Hardware

C-MP-S	Bare Board	$7
C-MP-S-ASM	Assembled board - specify location of DB-9 (top or side)	$39

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