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:RDISk:CREate DIAGnostic:RDISk:CREate < size> Allocates memory for a RAM disc volume.
The RAM disc volume is defined for use only by the IBASIC option.
Parameters Parameter
Name
Parameter
Type
Range of
Values
Default
Units
size numeric 0 to available RAM or
MIN| MAX
none
Comments • The RAM disc segment will only be created after the System Instrument
has been re-booted (cycle power or execute DIAG:BOOT).
• Based on the size specified, DIAG:RDIS:CRE rounds the size up to an
even value.
• Using all of the available RAM (MAX) for the disc volume segment will
limit some functions such as IBASIC program space, instrument reading
storage space, and full functionality of the Display Terminal Interface.
• Related Commands: DIAG:RDISk:ADDress?, DIAG:RDISk:CREate?
Example Allocate a 64 Kbyte segment for the IBASIC option’s RAM volume.
DIAG:RDIS:CRE 65536
:RDISk:CREate? DIAGnostic:RDISk:CREate? [MIN | MAX] Returns the current or allowable
(MIN | MAX) size of the RAM disc volume segment.
Comments • DIAG:RDIS:CRE does not allocate driver RAM until a subsequent
re-boot. To get accurate results, execute DIAG:RDIS:CRE? after the
re-boot.
• Related Commands: DIAG:RDISk:CREate, DIAG:RDISk:ADDR?
Example Return the size of the current RAM disc volume.
DIAG:RDIS:CRE?
enter statement returns numeric size
DIAGnostic:RDISk:CREate
7-26 System Instrument Command Reference