Toshiba 650CT Maintenance Manual page 123

Under the following conditions:
No PCI card is installed in the Desk Station V Plus.
The system cannot assign an interrupt level to the PCI bus.
The PC Card Controller Mode is not set to CardBus/16Bit in TSETUP.
the display will read:
NOTE: In this case, the system will sound a warning beep when you connect
the Desk Station V Plus and turn on the compuer. Also, the following items on
the Desk Station V Plus cannot be used: PCI bus slots, ISA bus slots, PC card
slots, and SCSI port.
10. Drives I/O
This item displays the installed hard disk drives and/or CD-ROM drives:
internal standard, Selectable Bay, Desk Station V Plus, or no drive. It displays
only in TESTUP.
(a) Setting for hard disk drive
Primary IDE
(1F0H/IRQ14)
Not used
No drive
Other settings are made automatically by plug-and-play operating
systems.
(b) Setting for CD-ROM (DS Selectable Bay)
Secondary IDE
(170H/IRQ15)
Not used
Others
11. Floppy disk I/O
Displays the address, internal level and channel settings for the diskette drive.
It appears only in TSETUP.
(3F2H/IRQ6/CH2)
650CT
PCI bus = IRQ Not Used.
The computer's HDD is ready for use.
Disables the computer's HDD.
The computer's HDD is not installed.
Desk Station V Plus Selectable Bay CD-ROM.
Disable selected CD-ROM.
Setting is made automatically by plug-and-play
operating systems.
The computer's FDD is ready for use.
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