Alpha Microsystems Eagle 100 Specifikace stáhnout pdf (Strana 36)

Page 3-5Installation Instructions: Roadrunner 040 EAGLE 100/AM-3000M/VME Upgrade

3.2.1AM-140 (AM-3000M CPU Board) Required Rework

The AM-140 requires the following rework modification to work with the AM-987

Interface board. This rework has not been previously incorporated into any formal Alpha

Micro Engineering Notice (EN) and so has no relevance to the revision level of the

AM-140 board. THE AM-987 WILL

NOT

FUNCTION WITHOUT THIS REWORK!

1.Refer to your AM-3000M Owner’s Manual as necessary and remove the

AM-140 CPU board from the system chassis.

2.On the

solder-side

of the AM-140 CPU board, cut the etch at U45 pin-12.

3.Solder a jumper wire from U45 pin-2 to U88 pin-2.

Cut etch between U45

pin-12 and feedthrough

Solder jumper wire from

U45 pin-2 to U88 pin-2

DC Power

Connectors

SASI Bus

Connector

AM-140

Board Edge

I/O Expansion

Connectors

U45

U88

AM-140 Solder Side

MC1230

AM-140 Rework for AM-987

The rework performed on the AM-140 board will NOT affect its normal operation. If it

becomes necessary to un-install the Roadrunner upgrade, you do not need to un-install

the AM-140 rework!

PDI-00172-60, Rev. A02

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Alpha Microsystems Eagle 100 Specifikace Strana 36