Epson MR Series Technical Reference Manual page 162

Item Options
Landing -----
Zone
Sector -----
3) FDD, display
The items related to the FDD, display, and error that halt at boot-up are as follows.
Item
Drive A
Video
Halt On
5-22 BIOS Functions
Notice
This item indicates the head fixed track number for the connection device.
The following differences will occur, depending on the device detection
method used.
Auto: The value obtained by the device is displayed.
Manual: The user can set the value within a range of 0-65,535 only when the
access method is set as "CHS". (When connecting a device for which
there is no particular value specified, the number "1" is specified as
the maximum number of cylinders).
This item indicates the number of sectors for the connection device. The
following differences will occur, depending on the device detection method
used.
Auto: The value obtained by the device is displayed.
Manual: The user can set the value within a range of 0-255 only when the
access method is set as "CHS".
Options
None
360KB, 5.25 in.
1.2MB, 5.25 in.
720KB, 3.5 in.
1.44MB, 3.5 in.
2.88MB, 3.5 in.
EGA/VGA
CGA40
CGA80
MONO
All Errors
No Errors
All,But Keyboard
All,But Diskette
All,But Disk/Key
Fail-Safe default
None
EGA/VGA
All,But Keyboard
Optimized default
1.44 M, 3.5 in.
EGA/VGA
All,But Keyboard
Rev. I