Specifications

Table 5–2 (Cont.) System Board Setup Options
SCU Setup Field Settings Comments
Diskette A
Diskette B
Disabled Disables the selected diskette
drive.
3.5-inch 720 KB,
1.44 MB, or 2.88 MB
densities
Selects size and density of 3.5-
inch diskette drives; standard
3.5-inch RX23 diskette drive set
to 1.44 MB.
5.25-inch 720 KB or 1.2
MB densities
Selects size and density of 5.25-
inch diskette drives; optional
5.25-inch RX33 diskette drive
set to 1.2 MB.
On-board IDE hard disk
controller
Enabled Enables the on-board IDE
controller interface; the
controller can be used as the
primary interface to the bootable
hard disk drive.
Disabled
1
Disables the on-board IDE
controller interface.
Hard drive 1
Hard drive 2
Drive types 1–49 Enables hard drive size and
specific parameters from a
predetermined list of drive
types. Drive types 2 and 3 or
48 and 49 are user definable
for hard drives not listed in
the BIOS drive table.
3
Obtain
number of cylinder heads,
number of sections, and so
on, from drive documentation or
label on the drive.
Not installed Disables the selected hard disk
drive.
1
Default.
3
Drive type 48 or 49 information is aliased to drive type 2 or 3 when application software does not
recognize drive types above 47.
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5–12 System Configuration