HP 8920A Programmer's Manual page 335

Table 32 RAM Disk Mass Storage Overview
Mass
Mass Storage
Storage
Type
Name
RAM Disk Non-volatile
random access
memory
Programs and data can be retrieved from any of these mass storage devices.
Programs and data can only be stored to RAM disk, external disk, or SRAM card
mass storage devices. The IBASIC file system supports both the LIF
(Hewlett-Packard's Logical Interchange Format) file system and the MS-DOS
(Microsoft Disk Operating System) file system.
The following paragraphs provide an overview of the five types of mass storage
devices.
Physical Location
Test Set's internal
memory board
Typical Uses
• Temporary program and data storage
• Temporary Save/Recall register storage
Comments
• Easily overwritten or erased
• Not recommended for permanent program or data storage
• Unit 0 can be overwritten by the RAM_MNG utility program (ROM Disk)
Unit 1 can be overwritten by the COPY_PL utility program (ROM Disk)
• Units 2 and 3 are not overwritten by any ROM Disk utility program
Chapter 6, Memory Cards/Mass Storage
Mass Storage Volume
Specifier
":MEMORY,0,unit number"
unit number = 0, 1, 2, or 3
default = 0
Mass Storage Device Overview
Supported
Media
File
Type
System(s)
N/A LIF, DOS
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