cov khoom

3.3 Lub Cev Teeb Meem Winchester disk drives Lub Winchester hard disk drives (ib qho, ob, lossis plaub tuaj yeem nyob) tau teeb tsa rau ntawm ob lub Winchester Drive Trays, nyob hauv Winchester Disk Assembly uas nyob rau sab sauv ob lub rooj tsav xwm Circuit Court (slots 4 thiab 5) ntawm lub module raws li qhia hauv daim duab 3-3-2. SCSI bus interconnections Dual Small Computer Systems Interface, (SCSI) bus ribbon cables txuas lub Smart Peripheral Controller I/O (SPCII/SPC2) circuit board, nyob rau tom qab ntawm Smart Peripheral Controller (SPC) circuit board (slot 2), mus rau Winchester Drive Interface I/O (WDI I/O/WDI Circuit Court), nyob tom qab ntawm lub rooj sib txoos. (qhov chaw 5). Lub Winchester Drive Interface (WDI) Circuit Court board, nyob rau hauv Winchester Disk Assembly (WDA), txuas lub tsheb npav SCSI los ntawm ob lub tshuab luam ntawv flex-circuits rau Winchester disk drive(s) mounted ntawm Winchester Drive Tray(s) raws li qhia hauv daim duab 3-5. Lub tsheb npav "splits" ntawm WDI I / O Circuit Court board, muab lub tsheb npav interface rau txhua Winchester Drive Tray. Lub Smart Peripheral Controller (SPC) Circuit Board sib txuas los ntawm SCSI tsheb npav ribbon cable thiab luam tawm flex-circuit nrog ib lossis ob lub tsav ntawm txhua lub tais tam sim no. Lub tsheb npav SCSI raug txiav tawm los ntawm kev txiav tawm modules nruab rau ntawm qhov kawg (kawg) tsav. SCSI lub tsheb npav txiav thaum lub tais muaj ib lub Winchester disk tsav ntsia rau ntawm nws, lub tsav yog mounted nyob rau hauv pem hauv ntej txoj hauj lwm thiab yuav tsum muaj peb lub tsheb termination modules ntsia rau ntawm lub tsav yog hais tias nws yog ib tug 210 megabyte los yog 445 megabyte tsav. Lub 875 megabyte thiab 1.8 gigabyte drives tsis muaj tsheb thauj mus los modules. Hloov chaw, cov tsheb npav sab hauv yog qhib hluav taws xob ntawm tus tsav los ntawm kev xaiv jumper block. Yog hais tias ib tug thib ob Winchester disk drive yog tam sim no nyob rau hauv lub tais, lub thib ob tsav yog mounted nyob rau hauv lub rear txoj hauj lwm ntawm lub tais yam tsis muaj SCSI bus termination modules ntsia rau nws raws li qhia nyob rau hauv daim duab 3-5. Lub rooj tsav xwm WDI, tus neeg nyob hauv Winchester Disk Assembly, muaj ob pawg ntawm SCSI bus resistor terminators, ib txheej rau txhua lub tais. Cov txheej txheem ntawm cov terminators yog qhib thaum lub hwj chim raug tshem tawm ntawm tus neeg Winchester Drive Tray los ntawm lub hwj chim hloov nyob rau hauv pem hauv ntej ntawm lub tais. Qhov kev npaj no tso cai rau lub tsav tsis ua tiav ntawm lub tais kom raug tshem tawm thiab hloov pauv yam tsis muaj kev cuam tshuam rau nws tus khub tsis txaus ntseeg uas tau teeb tsa rau ntawm lwm lub tais, cuam tshuam rau tib lub tsheb npav SCSI.