NEC NDA-24300 manual Forced Changeover of CPU, LANIPZ-PC19 ISAGTPZ-GT13

Models: NDA-24300

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SYSTEM OPERATIONS

12.1.4Forced Changeover of CPU

Figure 6-47shows how to perform the forced changeover of CPU by key oper- ation on the EMA (PH-PC40) card. Because the key operation will cause the en- tire system to initialize, do not rely on this method except as a last resort.

ATTENTION

Contents Static Sensitive

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Handling

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Precautions Required

 

 

 

 

 

 

 

 

 

LANI(PZ-PC19)

 

 

ISAGT(PZ-GT13)

00

01

02

03

04

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW

HDDMB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

CPUOPEWDT

IMG0

 

 

 

 

 

 

 

 

 

 

 

 

 

FDD

MBR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

IMG1

IMG2

IMG3

 

 

 

 

 

 

 

 

 

 

 

 

 

SYSTEM SELECT0

STATUS

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5A

SYSTEM SELECT1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUT PWR

ON

 

SENSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYSTEM SELECT2

CPURST

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN PWR

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SLOT No.

0

1

2

3

4

5

6

LPM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MISC

MISC

MISC/IOC

-IOC(PHIO24)

-EMA(PHPC40)

SW

HDDMB

 

 

 

 

 

 

 

 

 

 

ON

 

CPUOPEWDT

IMG0

 

 

 

 

 

 

 

 

FDD

MBR

 

 

 

 

 

 

 

 

 

OFF

 

IMG1

IMG2

IMG3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYSTEM SELECT0

STATUS

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5A

SYSTEM SELECT1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUT PWR

ON

 

SENSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYSTEM SELECT2

CPURST

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN PWR

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SLOT No.

0

1

2

3

4

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

CPR

 

 

OPE/MB

MB

ACT1

CKERR1

ACT0

CKERR0

EMASUP

EMASUP

CPU SEL

NMI SEL

SW65

SW73

SW92

SW62

SW70

SW A0

For the forced system changeover, set the CPU-SEL switch from middle to Up or Down. Note this operation also leads to system initialization.

1)

UP

: The CPU#1 is placed into the ACT-side.

2)

MIDDLE : Normal setting for dual CPU configuration.

3)

DOWN

: The CPU#0 is placed into the ACT-side.

 

 

(This setting is mandatory for single CPU

 

 

system.)

CPU-SEL

 

 

 

UP

 

 

 

 

 

 

MIDDLE

 

 

 

 

 

 

 

 

 

 

DOWN

 

 

 

 

 

 

 

 

 

 

For more information, see the Circuit Card Manual.

CPU-SEL Key

EMA(PH-PC40) FACE LAYOUT

Figure 6-47 Forced CPU Changeover

NDA-24300CHAPTER 6

Page 465

Issue 1

Page 492
Image 492
NEC NDA-24300 manual Forced Changeover of CPU, LANIPZ-PC19 ISAGTPZ-GT13