PC7501 User’s Manual
1. Precautions for Safety
R20UT0207EJ0500 Rev.5.00
Page 13 of 50
Nov 01, 2010
IMPORTANT
Note for LPT Parallel Interface:
• With the LPT parallel interface of the PC7501, not all host machines will work and are guaranteed.
According to the specifications and settings of the host machine, some operation modes of the LPT
parallel port cannot be used.
Notes for USB Interface:
• USB interface can not be used with a host machine running Windows 95 or Windows NT 4.0.
• With the USB interface of the PC7501, not all hardware (such as host machine, USB devices, USB hub)
combinations will work and are guaranteed.
Note for LAN Interface:
• With the LAN interface of the PC7501, not all hardware (such as host machine, network devices)
combinations will work and are guaranteed.
Note for Using Memory Expansion and Microprocessor Modes:
• When using this emulator in memory expansion mode or microprocessor mode, make sure that RDY#
and HOLD# pins are all inactive. Otherwise, the PC7501 can not startup properly.
Note for Clock:
• When the CLOCK LED does not turn on, check the following conditions:
(1) Immediately after starting up the emulator PC7501
Make sure that the oscillation circuit in the emulator is oscillating normally.
(2) Immediately after starting up the emulator debugger (when the setting in the Init dialog box has been
done)
Make sure that the oscillator that has been specified in the Init dialog box is working normally.
