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22 Appendix B MCMaster Software Utilities
Kingston Technology Company MCMaster User’s Guide - Rev. B06
• Don't power off the system while the program is running.
EPROM.EXE notifies you as it completes various steps of its
operation, but it is not finished until it says so. If you power off in
the middle of EPROM.EXE the contents of the EEPROM may get
erased or garbled.
• When the program is done, you will be returned to the DOS prompt.
• If you also received a new ADF file, reconfigure the system following
the procedure listed previously.
• Reboot the system so that the MCMaster will be properly initialized
with the new ROM code. If your update includes a new ADF file, it's
a good idea to force reconfiguration even if you don't intend to
change anything.
You can force reconfiguration by running configuration, changing any option
and changing it back again. When you save the configuration, the new ADF
information gets stored in the system's nonvolatile memory.
If, for some reason, the new code doesn't work as expected, you can recover
the old code by running EPROM.EXE again with the old hex file. You can find
the ROM code your MCMaster was shipped with on the option disk that came
with your system.
MMPIDD.SYS MCMaster Device Driver
The chief use for this device driver is to allow a "delayed" startup of the
MCMaster in conjunction with a third-party memory board. There are also
several command-line options. They are:
i Install a cache toggle. Pressing the [SYSRQ] key will turn the
MCMaster's onboard cache off or on.
r Relocate resident interrupts. Interrupts 15h, 13h, 75h, and 4Bh get
moved from the top of conventional memory to lower memory in the
device driver. This is helpful with some
programs, such as Windows,
that have trouble dealing with memory between the end of low
memory and the extended BIOS data area. It also looks for
EMM386 and, if it finds it, allows it to work properly with INT 4Bh
calls.
This switch may also be required if the MCMaster is being
used with other busmastering adapters. Contact Kingston for details.