
Model PDP Series 200 maxDPU4E Hardware Guide
NOTES:
1. If the DPU is part of a backup pair, both DPUs must be
updated. However, the inactive/off-line DPU can be flashed
while the other DPU is in control. Then follow the procedures
for bringing up a backup DPU and transferring control so that
the other DPU can be flashed.
2. This procedure must be run from DOS (not from a DOS
window).
3. If you are flashing both the IOM and CP software do not
place the DPU on-line until both of the flashing procedures are
complete.
4. You must wear a ground strap and follow ESD-safe
procedures when removing or installing a DPU, or inserting
cables etc.
Programming Procedure:
Install the PROG32 utility (part #046851) as follows. Create the
directory “C:\PEBDM”. Copy the program into that directory.
Connect the parallel port end of the BDM cable (#046850) to the
PC. If necessary, you may use a parallel port extension cable
(e.g., 047499). Do not use a cable longer than 6 feet. Shorter is
better.
DPU4E IOM firmware updates are distributed on floppy disk.
The part number is 081976x, where “x” represents the revision
level. Write protect the 081976x IOM4E Flash Disk and insert it
into the floppy drive.
Move the DPU’s keyswitch to the off-line position. The mode
switch can remain in the “F” position.
Unplug the DPU.
Look at EEPROM U31 on the DPU. It is located below and to
the left of the BDM connector. Note the manufacturer of the
chip (e.g., Intel or AMD). You may need to partially pull up a
label on the chip to read the manufacturer’s name.
Plug the other end of the BDM cable into the DPU’s BDM port
(J9 port on the rear of the DPU4E) with the red stripe of the
cable towards the top of DPU4E. On the DPU, pin one is
Metso Automation MAX Controls Inc. • 278590 •
A-10
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