MARK 5 MEMO #017.1

	 MASSACHUSETTS INSTITUTE OF TECHNOLOGY
	 HAYSTACK OBSERVATORY
	 WESTFORD,  MASSACHUSETTS 01886

	 25 June 2004

To:	 Mark 5 Development Group

From:	 Dan L. Smythe

Subject: Programming the Mark 5A Input-Output Board

The Mark 5A Input-Output Board has two Xilinx FPGAs, one for
the Input Section, and one for the Output Section.  These FPGAs
are programmed via separate PROMs connected to separate JTAG
connectors on the board.  This Memo describes one way to program
these devices, using freely available software.  The only special
hardware required is a Xilinx "Parallel Cable" (Model DLC7
Part Number HW-PC4) and "Parallel Cable Fly Leads" (Part Number
HW-FLYLEADS) available for US$110 from any Xilinx distributor.
The method described here has been tested with the Parallel Cable
III and with the currently available Parallel Cable IV.

A less expensive JTAG programming cable is available for
US$19 from Digilent, Inc.  (http://www.digilentinc.com/ or
sales@digilentinc.com)  You will need to make your own fly leads
for this cable.

1)  The first step is to download and install the "J Drive
Programming Engine" (jdrive3_setup.exe) from the Xilinx
web site: http://www.xilinx.com/isp/jdrivefiles.htm or
http://www.xilinx.com/isp/jdrivedownload.htm.  Install to the
default directory (C:\Jdrive) on a Windows 95/98/Me/NT/2000 PC.

2)  After installing the J Drive Engine, download
the following files from the Haystack ftp directory
ftp://web.haystack.mit.edu/pub/mark5/proms/

     jtag.bat
     *.cmd
     *.isc
     *.bsd

3)  Apply power to the I-O Board by plugging it into a PCI slot,
or by connecting +5 Volts to JP5 and GND to JP8.  If the three
LEDs, D4, D5, and D6 do not come on, remove power immediately
and diagnose the problem.

4)  To program the Input Section, connect the Parallel Cable to J3
(pin 1 is Vref or Vcc, pin 9 is TMS) and execute the following
command from an MS-DOS Prompt: 'jtag iba'.  After about two
minutes, the message "Successful." should appear.

5)  To program the Output Section, connect the Parallel Cable to
J10 and execute the following command from an MS-DOS Prompt: 'jtag
oba'.  After about two minutes, the message "Successful." should
appear.

Note that the Parallel Cable IV may not work with our boards if
ECP mode is enabled on the parallel port, depending on the speed
of your CPU.  I suggest "Bi-Directional" or "EPP".

If you have the Xilinx Foundation or ISE design tools, you can
use the .mcs files with the Xilinx iMPACT software to program
the PROMs.