NDA-24296 CHAPTER 2
Pag e 35
Revision 1.0
SN1695 C PRBF-A
CPU Board

[for IPX-UMG System]

Note: Make-busy of this circuit card is not allowed while the Floppy Disk Drive or Hard Disk Drive is being

accessed. This switch is used on the CPR mounted in SP only.

SWITCH NAME SWITC
H NO. SETTING STANDARD
SETTING MEANING
SW
(PWR) ON ×PWR is supplied to the CPR.
OFF PWR is not supplied to the CPR.
MB Note
(FDD/HDD) ON (Up) Make-busy of the FDD/HDD.
OFF (Down) ×Normal setting.
MBR
(DSP) ON (Up) Make- busy Re que st of the CPR in which GT is
located.
OFF (Down) ×Normal setting.
CPURST
(DSP) —— Execute the CPR processing according to the
SENSE setting.
SYSTEM
SELECT0
(DSP)
1ON ×Fixed to ON.
2OFF ×Fixed to OFF.
3
ON High Density system configuration (one LP
controls two IMGs)
OFF ×Standard system configuration (one LP
controls four IMGs)
4ON Watchdog Timer time-out is not detected.
OFF ×Watchdog Timer time-out is detected.
SYSTEM
SELECT1
(DSP)
1ON PCI Card (Slot 0) MBR ON.
OFF PCI Card (Slot 0) MBR OFF.
2ON PCI Card (Slot 1) MBR ON.
OFF PCI Card (Slot 1) MBR OFF.
3ON PCI Card (Slot 2) MBR ON.
OFF PCI Card (Slot 2) MBR OFF.
4ON PCI Card (Slot 3) MBR ON.
OFF PCI Card (Slot 3) MBR OFF.
5~7 OFF ×Fixed to OFF.
8ON ×Fixed to ON.