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O le a le ISA Slot?

2024-08-13 16:29:49

I. Folasaga: O le a le ISA Slot?

An ISA avanoa, faapuupuu mo Alamanuia tulaga Fa'ata'ita'iga slot, o se ituaiga o fa'alautele slot maua i luga o matua motherboards e mafai ai e tagata fa'aoga ona fa'apipi'i kata fa'alautele meafaigaluega. Muamua na faailoa mai e IBM i le amataga o le 1980s, na avea le ISA interface a tulaga faavae pasi i uluai komepiuta patino. Na faia se sao taua i le faʻaogaina o masini pei o kata leo, kata feso'ota'iga feso'ota'iga, ma modems e fesootai ma le faiga ma fesootai tuusao ma le PPU ma manatua e ala i le faiga pasi.

Sa avanoa avanoa ISA i totonu 8-bit ma mulimuli ane 16-bit versions, fa'atatau ile fetaui ole motherboard. E ui lava ua le toe aoga i PC masani, o loʻo maua pea avanoa ISA i totonu faiga tuufaasolo ma pisinisi PCs lea e lagolago umi ma mautu meafaigaluega e sili atu le taua nai lo le saoasaoa.

O uiga taua ole ISA slots e aofia ai:

Fa'asoa fa'amatalaga tutusa
Saosaoa pasi maualalo (e masani lava 8 MHz)
Fa'atonuga tusilima e ala i le osooso po'o le DIP ki
Fa'aaogāina o laina IRQ ma auala DMA

I aso nei, o le malamalama po'o le a le ISA slot e tumau pea le talafeagai mo tekinisia o lo'o galulue fa'atasi faiga fa'apipi'i, toe fa'akomepiuta, po o le tausia meafaigaluega fa'a-otosi. O lona talatuu e ola pea i le suiga i PCI, PCIe, ma isi fale pasi fa'aonaponei.

II. The Origins of ISA: A Brief History

O le ISA (Industry Standard Architecture) na muamua faailoa mai e IBM i totonu 1981 o se vaega o lona IBM PC mamanu. Muamua na mamanuina e pei o se 8-bit pasi, na mafai ai e tagata fa'aoga ona fa'afeso'ota'i taua masini fa'apitonu'u e pei o lomitusi, modem, ma mea e teu ai. I totonu 1984, faatasi ai ma le tatalaina o le IBM AT, o le tulaga ISA na faʻalauteleina i a 16-bit version, faʻaleleia lona gafatia e faʻatautaia ai manaʻoga faʻapitoa faʻapitoa ma faʻapipiʻiina le ala mo le sefulu tausaga o le pule i le fausaga PC.

ISA na fuafuaina e pei o se fausaga o pasi tutusa, lea e fesootai ai masini taitasi ma le PPU ma le RAM e ala i le tofia tuatusi I/O, laina IRQ, ma auala DMA. E le pei o fesoʻotaʻiga faʻaonaponei faʻaonaponei, e manaʻomia avanoa ISA muamua fa'atulagaina tusi lesona auala tagata osooso pe DIP sui, faia le setiina o se faiga e sili atu faʻapitoa.

O le laulau o loʻo i lalo o loʻo otootoina ai le atinaʻeina o le ISA:

Fa'aliliuga	Bit Lautele	Fa'ailoa	Fa'aaogaina I
TASI 8-bit	8-bit	1981	IBM PC, XT
TASI 16-bit	16-bit	1984	IBM AT, 386, 486 PC

O le ta'uta'ua o le ISA na ta'ita'iina ai le fa'aa'oa'oina o tagata e tagata fa'atau mea faigaluega isi vaega, fa'amauina o le mea moni fa'alautele slot tulaga masani seia oo ina suia malie e TOGO, PCI, ma mulimuli ane PCI Express i le 1990s.

III. Faʻamatalaga faʻapitoa o ISA Slots

O le Alamanuia Tulaga Fa'ata'ita'i (ISA) o se elemene faʻamalamalamaina o le mamanu muamua o le PC, o loʻo avea ma mea muamua pasi fa'alautele mo le silia ma le sefulu tausaga. Ina ia malamalama atoatoa i lona tulaga i le talafaasolopito o meafaigaluega, e taua le talepeina o le faʻamatalaga faʻapitoa na faʻamatalaina ISA slots.

Bit Width ma Fa'aliliuga Fa'amatalaga

O avanoa ISA na maua i faʻatulagaga e lua:

8-bit TASI: Lagolagoina feso'ota'iga 62-pin, fa'atasi ai ma le maualuga o le fa'aliliuina o fa'amatalaga o 8.33 MB/s
16-bit TASI: Fa'aaogaina se feso'ota'iga 98-pin, e tu'uina atu ai fa'amatalaga fa'alautele ma le fa'aogaina

Fa'amatalaga	8-bit TASI	16-bit TASI
Lautele pasi	8 fasi	16 bits
Pine Feso'ota'i	62	98
Saosaoa o le Uati	4.77–8 MHz	8 MHz
Max Throughput	~5 MB/s	~8 MB/s
Fa'ailoa I	1981	1984

Feso'ota'iga Protocols

ISA slots galue fa'aaoga fesootaiga tutusa, fa'atasi ai ma masini ta'itasi ua tu'u fa'apitoa:

IRQ (Laina Talosaga Fa'alavelave)
DMA (Tusa'o Maua Avanoa) Alela
I/O Taulaga tuatusi

O nei punaoa sa fa'aogaina ma le lima e fa'aaoga ai tagata osooso pe DIP sui, e masani ona manaʻomia tagata faʻaoga e faʻafesoʻotaʻi tusi lesona meafaigaluega. O lenei fa'atulagaga tusi lesona e mafai ona ta'ita'i atu i feteenaiga punaoa, o se tapulaʻa autu pe a faatusatusa i aso nei Polokalama-ma-Ta'alo (PnP) tekinolosi.

Fuafuaga Fa'aeletise ma Fa'ainisinia

ISA slots faalagolago i 5V faailoilo
E masani ona tuu i tafatafa o le pito o le motherboard
Lagolago mo atoa-umi ma afa-umi kata fa'alautele

E ui i le telegese i tulaga fa'aonaponei, o le faigofie ma le lautele o le lagolago a le ISA na fesoasoani e avea ma maatulimanu i le fausaga PC. E oo lava i aso nei, kata ISA pisinisi ma faiga faakomepiuta tuai fa'aaoga pea lenei fa'aoga ona o lona amio mautu, tau maualalo, ma taamilosaga lagolago umi—tulaga taua i totonu ma siosiomaga tau alamanuia.

IV. Meafaigaluega masani na faʻaaogaina ISA Slots

Kata Leo
- Fa'ataga leo fa'alogo i uluai PC
- Fa'ailoga pei Pa'u leo avea ma igoa o aiga
- Faalagolago i IRQ ma DMA auala mo le fa'agaioiina o leo fa'aleo
Pepa Feso'ota'iga Feso'ota'iga (NICs)
- Tuuina atu feso'ota'iga Ethernet mo feso'ota'iga LAN
- E masani i fesoʻotaʻiga ofisa ma siosiomaga faʻatonutonu fale gaosi oloa
Kata Modem
- Ua mafai fa'aoga initaneti
- Faʻapipiʻi saʻo i totonu o le ISA slot ma RJ11 uafu fa'aalia i tua
Pepa Pule I/O
- Faaopoopo lagolago mo laina telefoni (COM), taulaga tutusa (LPT), ma ta'avale floppy
- Fa'aoga mo le fa'alauteleina o le taulaga i luga ole laiga fa'avae
Vitio Pu'e ma TV Tuner Kata
- Tuuina atu faavae galuega fa'akomepiuta
- Fa'ataga le fa'aogaina o vitiō fa'atusa po'o le fa'ailoaina o fa'ailo o le televise

Ituaiga Meafaigaluega	Tulaga Fa'aoga masani
Kata leo	Toe fa'alogo leo ma pu'eina
NIC (Ethernet)	feso'ota'iga LAN
Modem	Fesootaiga vili-up
Pule I/O	COM, LPT, lagolago floppy
Alamanuia ISA Cards	Mauaina o fa'amatalaga, fa'atonuga

O le umi o le nofoaiga a le ISA na avea ai ma faʻaoga faʻaoga mo faʻalauteleina ma faʻapitoa. E ui lava o le tele o komepiuta fale ua agai i luma PCI ma PCIe, tele faiga tuufaasolo i le gaosiga ma meafaigaluega faʻalagolago pea i kata ISA mo faʻatuatuaina ma faʻamoemoega faʻatinoga. O lo latou avanoa i aso nei e masani ona taulaʻi fa'apipi'i, toe fa'akomepiuta, pe fa'ainisinia fa'apisinisi maketi e taua tele le lagolago mo meafaigaluega umi.

V. ISA vs PCI ma isi tulaga fa'alautele Slot

A'o fa'atupuina mea fa'akomepiuta, o tapula'a o le ISA avanoa na tula'i mai ai ni mea fou, vave, ma sili atu ona fetu'una'i fa'alautele feso'ota'iga pei PCI, VESA Pasi Fa'alotoifale, AGP, ma mulimuli ane PCI Express (PCIe). Malamalama pe faapefea ISA faʻatusatusa ile PCI ma isi tulaga fa'ata'atia e fesoasoani e fa'amalamalama lona fa'asolosolo fa'ate'a i faiga fa'akomepiuta.

Fa'atusatusaga ma le Saosaoa

Ituaiga pasi	Fa'amatalaga Lautele	Saosaoa masani	Lagolago-ma-Ta'alo
TASI (8/16-bit)	8–16 pito	~8 MB/s	Leai
TOGO	32 bits	E oʻo i le 132 MB/s	Leai
PCI	32/64 bits	133 MB/s	Ioe
PCIe	Fa'asologa (x1–x16)	E oʻo atu ile GB/s laina	Ioe

TASI fausaga o pasi tutusa, tusi lesona Fa'atonuga IRQ/DMA, ma le maualalo o le bandwidth na avea ma fagufa'atasi mo peripherals vave. I ata vaaia, PCI folasia Polokalama-ma-Ta'alo, maualuga le gaosiga, ma tau pasi, fa'atagaina masini e feso'ota'i tuto'atasi mai le PPU.

Aisea na Sui ai PCI ISA

Saosaoa maualuga ma ala fa'amatalaga lautele
Otometi-fa'atonu o punaoa
Fa'aleleia fa'ailoga amio sa'o ma fa'atuatuaina eletise
Sili lagolago mo multimedia, upegatafa'ilagi, ma 3D ata

Isi Tauvaga

VESA Pasi Fa'alotoifale mo sina taimi na maua ai le malosi ae leai se faʻalauteleina
AGP na atiina ae faapitoa mo kata vitio
PCI Express o lo'o pule nei ile fausaga fa'asologa ma auala fa'alautele

E ui ina le toe aoga i komepiuta fa'aonaponei, O lo'o fa'aaoga pea le ISA totonu pisinisi PCs, lea e lagolago ai le taamilosaga umi o le olaga, amio mautu, ma mautu meafaigaluega e fa'amuamua i lo fa'atinoga. O le PCI ma le PCIe e mafai ona puleaina maketi faʻatinoga, ae mo talatuu ma faʻaoga faʻapipiʻi, faigofie a le ISA fa'aauau ona ofoina atu le fa'atuatuaina e le mafaatusalia i si'osi'omaga fa'atonutonu.

TATOU. ISA Slots i Alamanuia ma Fa'apipi'i Talosaga

E ui o ISA slots ua mou atu mai PC faʻatau faʻaonaponei, e tumau pea le ofo talafeagai i faiga fa'akomepiuta fa'apipi'i fa'apisinisi. I totonu o nei siosiomaga, o le faʻamamafa e le o le saoasaoa poʻo le faʻatinoina o le faʻatinoga, ae i luga fa'atuatuaina umi, fa'atonuga fa'atonu, ma mautu meafaigaluega—ituaiga o fea ISA fa'alautele kata fa'aauau pea ona manuia.

Aisea e fa'aaoga ai pea le ISA i Alamanuia

Tu'ufa'atasiga o meafaigaluega tuai: Tele masini falegaosimea ma nofoa su'ega o lo'o fa'alagolago pea ISA I/O kata atiina ae i le tele o tausaga ua mavae.
Ta'amilosaga ola umi o oloa: Ua fausia faiga fa'apisinisi ina ia tumau 10–20+ tausaga, e masani ona manaʻomia le lagolago faifaipea mo tulaga tuai meafaigaluega.
Fa'aoga eletise mautu: E TASI 5V faailoilo, mautu Tofiga IRQ/DMA, ma taimi faigofie o pasi e fa'amautinoa ai le fa'atinoina faifaipea i si'osi'omaga pisapisao.
Fofo fa'apipi'i fa'apitoa: O nisi komepiuta laupapa tasi (SBCs) ma vaalele tua fa'aauau pea ona fa'aaofia ai avanoa ISA e lagolago ai fa'aoga meafaigaluega.

Talosaga masani Alamanuia:

Avanoa Talosaga	Fa'ata'ita'iga Meafaigaluega
Otometi Falegaosimea	Digital I/O, fa'atonu ISA kata
Su'ega & Fua	Kata e maua fa'amaumauga (DAQ).
Faiga Femalagaa'i	Feso'ota'iga ma fa'atonu feso'ota'iga
Meafaigaluega Fomai	Mata'itū masini ma talatuu lagolago
Militeri/Aerospace System	Fa'atonuga fa'apipi'i fa'avae ISA

I nei vaega, o le tau o le faʻaleleia poʻo le toe faʻaleleia o meafaigaluega e lagolago ai pasi fou pei o PCIe e mafai ona fa'asa maualuga. O le faaiuga, motherboards pisinisi ma pusa PC fa'atasi ai ma le lagolago a le ISA o lo'o gaosia pea e tagata fa'atau niche.

VII. E faʻafefea ona iloa se ISA Slot i luga o le Motherboard?

O le iloaina o se ISA avanoa i luga a motherboard e taua mo tekinisia o loʻo galulue ma faiga tuufaasolo, pisinisi PCs, po'o galuega fa'akomepiuta tuai. E ui lava e le o toe maua i masini faʻatau faʻaonaponei, o loʻo iai pea avanoa ISA i totonu motherboards faapitoa fausia mo fa'apipi'i pe fa'aoga masini.

Uiga Faaletino o ISA Slots

ISA slots e faigofie ona iloa pe a e iloa le mea e suʻeina:

Umi: E masani lava umi atu nai lo PCI poʻo PCIe avanoa
Lanu: E masani lava uliuli pe enaena uliuli
Ituaiga Feso'ota'i:
- 8-bit TASI slots maua 62 nofoaga fa'afeso'ota'i
- 16-bit TASI slots faalautele atili ma 98 pine, e masani ona aliali mai o se avanoa e lua-vaega

O le 16-bit ISA slot e aliali mai ose so'oga umi ma a vaega togitogi agai i tua o le laupapa. O nisi motherboards atonu e lagolagoina PCI ma ISA, o lea e te vaʻaia ai se faʻafefiloi o ituaiga slot.

Tulaga Slot ma Fa'atonu

Tu'u tutusa o le tasi i le isi i laina faalava
E masani lava latalata i le pito i lalo o AT po'o ATX motherboards
E manino le vavae ese mai PCI paepae pe PCIe pupuu avanoa

X. Su'i Fa'aonaponei ma Fetuuna'iga

A'o aga'i i luma tekinolosi, ISA avanoa ua tele lava ua fa'ate'a fa'atasi ona o feso'ota'iga sili atu ona lelei ma vave pei o PCI, PCIe, ma USB. Ae ui i lea, o loʻo faʻalagolago pea le tele o alamanuia talatuu ISA kata mo talosaga fa'a-misiona. Ina ia faʻafesoʻotaʻi lenei va, e tele isi fa'aonaponei ma ISA-i-PCI po'o USB adapters ua alia'e mai, ua mafai ai ona faagaioi meafaigaluega tuai i totonu o faiga fou.

Su'ega ISA i Faiga Fa'aonaponei:

PCI/PCIe Cards: Tuuina atu le bandwidth maualuga, plug-and-play lagolago, ma sili atu le fetaui lelei ma faiga faʻaonaponei.
USB fa'avae I/O modules: Suia kata ISA mo le mauaina o faʻamatalaga, fesoʻotaʻiga faʻasologa, ma galuega I/O numera.
PC fa'apipi'i ma le lagolago ISA: O nisi komepiuta tau pisinisi o lo'o iai pea avanoa ISA mo le tu'ufa'atasiga o talatuu.

XII. Fa'ai'uga: O Fa'atatau pea le ISA i aso nei?

E ui o le ISA avanoa ua leva ona litaea mai PC faʻatau, o loʻo faʻaauau pea ona faia se sao taua i fa'asologa fa'akomepiuta, faiga fa'atonuga tau alamanuia, ma talosaga fa'apipi'i. I siosiomaga e tutusa meafaigaluega, fa'atonuga fa'atino, ma ola umi o oloa mea e sili atu nai lo le saoasaoa, ISA tumau o se atinaʻe faʻalagolago.

Le mea e taua ai le ISA:

PC fa'apisinisi e aofia ai rackmount pc, 4U fa'amauina pc, 2U fa'amauina pc, 1U pcfa'aaogaina i totonu falegaosi masini, fa'atonuga, ma mauaina o fa'amaumauga
Faiga fa'afoma'i ma le aerospace lea e loka ai tusipasi i meafaigaluega tuai
Retro komepiuta nu'u fa'asaoina faiga fa'asolopito

I se faapuupuuga, aʻo le toe faʻauluina e le ISA mea fou, e tumau taua i vaega faapitoa o fea mautu ma talatuu fetaui e le mafai ona feutagai. O le malamalama i le aoga tumau a le ISA e fesoasoani i inisinia ma pule o le IT e fai fa'ai'uga lelei pe a lagolagoina pe femalaga'i faiga tuai.