Technical Reference Manual
Page 24 of 38
PT-3000
LANDZONE This number is the cylinder location where the heads will
normally park when the system is shut down.
SECTORS Number of Sectors per track.
MODE HDD access mode
Drive A: Move the cursor to these fields via arrow keys and select the type. The
settings are 360KB 5.25”, 1.2MB 5.25”, 720KB 3.5”, 1.4MB 3.5” & 2.88MB 3.5”.
Video: The category selects the type of adapter used for the primary system monitor
that must match your video display interface and monitor.
EGA/VGA Enhanced Graphics Adapter/ Video Graphics Array. For EGA,
VGA, SVGA, or PGA monitors adapters.
CGA 40 Color Graphics Adapter, power up in 40 column mode.
CGA 80 Color Graphics Adapter, power up in 80 column mode.
MONO Monochrome adapter includes high-resolution adapters.
Error Halt: The category determines whether the system will stop if an error is
detected during power-up.
No Errors Whenever the BIOS detects a non-fatal error the
system will stop and you will be prompted.
All Errors The system boot will stop for any error that is
detected.
All, But Keyboard The system boot will stop for all errors except a
keyboard.
All, But Diskette The system boot will stop for all errors except a disk
error.
All, But Disk/Key The system boot will stop for all errors except a
keyboard or disk error.
Memory: The category is display-only which is determined by POST (Power On Self-
Test) of the BIOS.
• Base Memory: The POST of the BIOS will determine the amount of base (or
conventional) memory installed in the system. The value of base memory is 640
KB for PT-3000 system.
• Extended Memory: The BIOS determines how much extended memory is present
during POST. This is the amount of memory located above 1 MB in the CPU’s
memory address map.
• Other Memory: This refers to the memory located in the 640 KB to 1 MB address
space. This memory that can be used for different applications. DOS uses this
area to load device drives to keep as much base memory free for application
programs. Most use for this area is Shadow RAM.
• Total Memory: System total memory is the sum of base, extended and other
memory.
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