KHAOLO 1 SELELEKELA
LIEKETSENG TS'OLOVIEW
S4967 Rev: 2B.31 486 Cache system board Ke 2/3 Baby AT-size, ka ho feletseng PC/AT e lumellana 'me e fana ka ts'ebetso le likarolo tse ikhethang.
Ka memori ea cache ea 128K/256K/512K/1M ka botong, boto ena ea sistimi Ke mochini o lebelo haholo o loketseng ho aha likhomphutha tsa motho tse tsoetseng pele kapa li-workstalons.
$4967 Rev:2B.31 486 Cache system board e entsoe ka chipset ea SIS 85C496/85C497 e kopantsoeng haholo. Ka chipset ena, ho na le tse 'maloa feela tse fapaneng
lisebelisoa tse hlokahalang, tse lumellang hore libanka tsa 4 tsa memori li behoe ka boto. Boholo ba memori bo ka fokotsoa ho tloha ho 1 MB ho ea ho 255 MB.
LIKAROLOANA
$4967 Rev:2B.31 486 Cache system board e tšehetsa (kapa e kenyelletsa) likarolo tse latelang:
* Ts'ehetso
Intel 486SX/SX2/DX/DX2,DX4(3.45V),P24D,P24T AMD DX,DX2/DX4(NV8T),OX2/DX4(SVEB) Cyrix SX/DX/DX2,DX2-V66/VB0(3.45V),DX4(3.45V), 15×86 (3.45V) in 25/33/40/SOMHZ
- E entsoe ka li-chipset tsa SIS 85C496/85C497
- Tšehetsa 128K/256K/512K/1M Cache ea Boemo ba 2
- Tšehetsa 4 DRAM Banks. DRAM e ka ba bul ka li-SIMM tse nang le lehlakore le le leng kapa tse nang le mahlakore a mabeli. Memori e phahameng e fihla ho 255MB
- RAM e laoloang ke software bakeng sa sistimi le/kapa BIOS ea video
- Libaka tse tharo tsa libese tsa 32-bit PCI tsa lehae, libaka tse 'ne tsa katoloso ea 16-bk
KHAOLO EA 2 THULATSO EA LEBOTO LA SYSTEM
Ho behoa ha S486 Rev:2B.31
KHAOLO EA 3 TLHOKOMELISO EA LITŠOANTŠISO
Pele tsamaiso e se e loketse ho sebetsa, hardware e tlameha ho hlophisoa ho lumella mesebetsi e sa tšoaneng ka har'a tsamaiso. Ho lokisa tsamaiso ea Cache ea $4967 Rev:2B.31
boto ke mosebetsi o bonolo, ke li-Jumpers tse seng kae feela, li-connectors le li-sockets tse lokelang ho khethoa.
CACIIE KHOPOTSO SOKETE
$4967 Rev:2B.31 Cache system board e tšehetsa libanka tse 2 tsa SRAM tse fanang ka 126/256K/512K/1MB ea memori ea cache. Lethathamo le latelang le thathamisa lintlha tse qaqileng
tlhahisoleseding.
Banka e tsamaellanang le karolo ea boitsebahatso ke tse latelang:
Banka 0 - U9, U11, U19, U24
Banka 1 - U10, U14, U20, U2
Tag =~ U8 -
| Boholo ba cache | Cacheable DRAM boholo (8 likotoana tag) |
Cacheable DRAM boholo (7 likotoana tag) |
| - 64K byte | 16fvW fe 32M-byte 64M byte |
8M baiti |
| - li-byte tse 128K | t6m ka 32M baiti |
|
| 256K li-byte | ||
| 512Kb_yte | 128M baiti | 64M baiti |
| 1M baiti | 255M baiti | 128M baiti |
Lethathamo la 3-2 Likhetho tsa Boholo ba Cache
| Mofuta oa processor | Ll Cache Mode | Mokhoa oa Cache oa L2 |
| 4 86SX/DX/DX2/ DX4/SL-E ntlafalitsoe | WT | WT/WB WTNV B |
| P24D/P24T | WT/WB | |
| Cyrix M7/DX4/M1sc | WT/WB | WT/WB |
| Am486DXL/DX2 DX4-100 NV8T | WE | WT/WB |
| Arn486Dr47100/120 SV8B | WI/WS | WT/WB |
Lethathamo la 3-3 Lt / L2 Cache Configurations
| Cycle Definition Hiiinii–emory | Kakaretso ea Lioache ho Host Interface | S0MHz | ||
| 251V1Hz | 33MHz | 40MHz | ||
| Single-Read (L2 Cache Hit) | 2 | 2 | 2 | 2 |
| —-S ri-i-gle-Reacf(12 Cache Miss) | 3 | 4 | 5 | 6 |
| —Teurst-Read (L2 Cache Hit) | 2-1-1-1 | 2-1-1-1 | 3-2-2-2 | 3-2-2-2 |
| urst-Bala (L2 Cache Miss) |
3-2-2-2 | 4-3-3-3 | 5-4-4-4 | 6-5-5-5 |
| -Ngola e le Mong (L2 Cache Hit) | 2 | 2/VVB,3/WT | 3/W6,4/WT | 3/VVB,5NVI |
| Ngola Motho a le Mong (L2 Cache Miss) |
2 2-1-1-1/WB 3-2-2-2/WT 3-2-2-2 |
3 2-1-1-1/WB 3-2-2-2/WT 3-2-2-2 |
4 3-2-2-2/WB 4-3-3-3/WT |
5 3-2-2-2/WB 5-4-4-4/WT |
| *Burst-Write (U Cache Hit) | ||||
| Phatlalatsa-Ngola (U Cache Miss) |
4-3-3-3 | 5-4-4-4 | ||
Letlapa la 3-4 U Cache / DRAM Likhetho tsa Ts'ebetso
MORITI TS'OA
UMB (Upper Memory Block) eo e seng sebaka sa memori sa mantlha Ha e khonehe ka ho sa feleng. Leha ho le joalo, hang ha li se li khutsitse, likarolo tsa RAM 0C0000-OFFFFh li ka bolokoa hape ho cache ea Level 2 le Level 1. Karolo e 'ngoe le e' ngoe ea 32K ea memori e ka nolofalloa ka bomong hore e khone ho bolokoa ke bobeli ba boemo ba bobeli ba 85C495 le cache ea ka hare ea CPU.SIMM SOCKETS
je $4967 Rev:2B.31 Cache system board e tla tšehetsa libanka tsa 4 DRAM, Bank 0 le Bank 1 k 2 le Bank 3 ka li-sockets tsa SIMM sebelisa 72-pin SIMM : Mofuta oa DRAM e ka ba 256K, 512K, , 2M, 4M, kapa 16M ka likotoana tse 32/36 Lehlakoreng le le leng kapa Lehlakoreng le habeli Mokhoa oa Leqephe le Potlakileng 'me o potlakile ho li-BONs.
tšebeliso ea li-module tsa 256K, 512K, 1M, 2M, 4M kapa 16M DRAM, 1M le ho fihlela ho 255 M ea memori e ka fumanoa. Ho kenngoa ha li-SIMM tsa DRAM Ke "Table-free", e
li-SIMM li kenngoe sebakeng sefe kapa sefe sa siot le metsoako efe kapa efe.
HO KENYA PU :
Khetha mofuta oa CPU
JUMPER:
LIhokelo:
Litokomane / Lisebelisoa
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