SN1695 CPRBF-A

CPU Board

SN1695 CPRBF-A

CPU Board

1.General Function

The CPR in 1-IMG, 4-IMG, and IPX-U system consists of the following components.

(a)CPU BOARD: Contains the Main Processor Unit (MPU), ROM, and 128 to 256 Mbyte of Random Access Memory (RAM). This board may also contain the ISAGT (PZ-GT13/PZ- GT20) on its Industrial Standard Architecture (ISA) bus, and LANI (PZ-PC19) on the Peripheral Component Interconnect (PCI).

(b)

DSP:

Contains the CPR switches and the CPR status indicator lamps.

(c)

FDD/HDD:

Floppy Disk Drive (FDD) and Hard Disk Drive (HDD) are mounted on a circuit

 

 

card, which, if necessary, can be extracted and/or inserted while the system is in

 

 

operation.

(d)

PWR:

Supplies the operating power to the CPR and also the MISC slots of the LPM.

 

 

To I/O local bus

To HUB

To HUB

 

HDD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FDD

 

 

 

 

 

DSP

 

 

 

 

 

 

 

 

 

 

 

 

LANI

 

 

 

 

CPU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LANI

 

 

CPR#0

 

 

 

 

 

 

ISAGT

HDD

DSP FDD

ISAGT CPU LANI

CPR#1 LANI

To HUB

To HUB

To MISC bus

Figure 2-1 Location of SN1695 CPRBF-A (CPR)

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NEC 2400 ipx manual SN1695 CPRBF-A, CPU Board

2400 ipx specifications

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