Radstone PME 68-1B, Руководство пользователя

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PME68-1B is available with an 8 MHz or 10 MHz, 68000 CPU and various capacities of
DRAM. The standard variants are:
Order No. Description Part No.
PME68-1B/100 8 MHz 68000, 128k bytes of DRAM 421/1/23144/100
PME68-1B/101 10 MHz 68000, 128k bytes of DRAM 421/1/23144/101
PME68-1B/102 8 MHz 68000, 512k bytes of DRAM 421/1/23144/102
PME68-1B/103 10 MHz 68000, 512k bytes of DRAM 421/1/23144/103
This manual provides a general operating description of all variants of the PME 68-1B
and includes information for installation and troubleshooting in Chapter 4, plus details
of the PME68/Monitor in Chapter 5.
Certain ‘application specific’ boards are factory configured for individual users. For rea-
sons of confidentiality, detailed reference is not made to these boards, but default (fac-
tory set) link information is given.
Details of the 68000 Processor and the Parallel I/O Interface and Timer are given in the
respective Motorola data sheets available on request from your supplier.
Accessing the VME bus after a power-up reset
Occasionally, after a power-up reset, access to the VME bus may be denied. To over-
come this feature a dummy access to any PIT register should be made prior to accessing
the VME bus.
WARNING: See Chapter 4 before installing the battery.
PME 68-1B Manual
Page 3 Issue 5