Rockwell-automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User M Manual do Utilizador descarregar pdf (Página 41)

Chapter 3

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3-12

RAM Disk

The RAM disk is an emulated drive that resides in Random Access

Memory (RAM). You can store and access any files on a RAM disk. The

default size of the non-volatile RAM disk is 64 Kbytes.

ATTENTION: Changing the size of the non-volatile RAM

disk will reformat it. Back up the disk data before changing the

RAM-disk size.

To configure the non-volatile RAM disk:

1. At the

Select Option prompt, enter 1 for the non-volatile

RAM-disk configuration option. See Figure 3.13.

Figure 3.13

Configure the RAM Disk

Select Option: 1

Original Current

Settings Settings

-----------------------------------------------------------

Non-Volatile RAM Disk = 64Kb 64Kb

Non-Volatile User Memory = 0Kb 0Kb

Non-Volatile Module Memory = 0Kb 0Kb

OS-9 Free Pool = 4800Kb 4800Kb

---------- ----------

Configurable System Memory = 4864Kb 4864Kb

Non-Volatile RAM Disk Size

--------------------------

Enter desired number of 64K (65536) byte blocks for disk (1- 76): 8

Original Current

Settings Settings

---------------------------------------------------------- -

Non-Volatile RAM Disk = 64Kb 512Kb

Non-Volatile User Memory = 0Kb 0Kb

Non-Volatile Module Memory = 0Kb 0Kb

OS-9 Free Pool = 4800Kb 4352Kb

---------- ----------

Configurable System Memory = 4864Kb 4864Kb

PCBridge Microware’s PC hosted OS-9/680x0 Development System

2. At the prompt, enter the number of blocks—between 1 and the

maximum amount as shown by the utility—that you want to allocate

to the RAM-disk size.

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 311 312

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Rockwell-automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User M Manual do Utilizador Página 41