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RC-2014 compatible SCSI WD33C93

STDRC-2014 compatible SCSI WD33C93

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Creation time:2020-10-01 00:06:37Update time:2020-10-17 15:46:44

Description

CAUTION! UNTESTED – WORK IN PROGRESS – UNDER CONSTRUCTION

NO SOFTWARE EXIST AT THIS TIME

RC-2104 compatable WD33C93 SCSI Controller

Only uses 2 I/O Ports any Address 00-01 to FE-FF

2N7000 & SCSI-INT header are Optional

SCSI BUS TPWR jumper is only closed if you need to provide Terminitor Power to SCSI Device
or 
If the SCSI Device is providing Terminitor Power

TPWR-FUSE & 1N914B are only needed it the card is suppling Terminitor Power

RN1-3 are only needed if you are not using an external Terminator

Design Drawing

schematic diagram
PCB

BOM

IDNameDesignatorFootprintQuantity
1!INT ENP21X2PIN1
2SCSI BUS TPWRP31X2PIN1
3LOCAL TPWRP41X2PIN1
410KΩOPTIONAL_DACKAXIAL-0.41
5ECS-2100A16_MHZOSCILLATOR_KXO-200 RECT FOOTPRINT1

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SCSI Commands Reference Manual.pdf
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