ORÍKÌ NÍNÚ Ọ̀RỌ̀
Eto LORIVIEW
S4967 Rev: 2B.31 486 kaṣe eto ọkọ Se 2/3 Baby AT-iwọn, ni kikun PC / AT ibamu ati ki o nfun dayato si iṣẹ ati awọn ẹya ara ẹrọ.
Pẹlu iranti kaṣe 128K / 256K / 512K / 1M lori ọkọ, igbimọ eto yii jẹ ẹrọ iyara giga gaan ti o baamu daradara fun kikọ awọn kọnputa ti ara ẹni ti ilọsiwaju tabi iṣẹ ṣiṣe.
$ 4967 Rev: 2B.31 486 kaṣe eto ọkọ jẹ apẹrẹ pẹlu SIS 85C496/85C497 chipset ti o ti wa ni gíga ese. Pẹlu yi chipset, nibẹ ni o wa nikan kan diẹ ọtọ
awọn ẹrọ ti a beere, eyiti ngbanilaaye 4 iranti bèbe le wa ni gbe lori ọkọ. Iwọn iranti le jẹ iwọn lati 1 MB si 255 MB.
Awọn ẹya ara ẹrọ
$4967 Rev:2B.31 486 igbimọ eto kaṣe ṣe atilẹyin (tabi pẹlu) awọn ẹya wọnyi:
* Atilẹyin
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
- Apẹrẹ pẹlu SIS 85C496/85C497 Chipset
- Ṣe atilẹyin 128K/256K/512K/1M Kaṣe Ipele keji
- Atilẹyin 4 DRAM Banks. DRAM le jẹ bul pẹlu elther Nikan-Apakan tabi Awọn SIMM-Apa Meji. Awọn ti o pọju iranti Je soke si 255MB
- Ramu ojiji iṣakoso software fun eto ati/tabi fidio BIOS
- Meta 32-bit PCI Iho akero agbegbe, mẹrin 16-bk imugboroosi iho
ORÍKÌ 2 ÌLÚ ÌYÀ ÌGBÀ ÌGBÀ ÈTÒ
Ibi ti S486 Rev: 2B.31
ORÍKẸTA HARDWARE atunto
Ṣaaju ki eto naa ti ṣetan lati ṣiṣẹ, ohun elo gbọdọ wa ni tunto lati gba laaye fun awọn iṣẹ lọpọlọpọ laarin eto naa. Lati tunto $4967 Rev:2B.31 eto kaṣe
igbimọ jẹ iṣẹ-ṣiṣe ti o rọrun, awọn Jumpers diẹ, awọn asopọ, ati awọn iho nilo lati yan.
CACIIE iranti iho
$ 4967 Rev: 2B.31 kaṣe eto ọkọ atilẹyin 2 bèbe ti SRAM eyi ti o pese boya 126/256K/512K/1MB ti kaṣe iranti. Awọn wọnyi tabili awọn akojọ ti awọn alaye
alaye.
Ile-ifowopamọ ti o baamu si idanimọ apakan jẹ atẹle yii:
Bank 0 - U9, U11, U19, U24
Bank 1 - U10, U14, U20, U2
Tag =~ U8 –
| Iwọn kaṣe | Kaṣe iwọn DRAM (8 bit tag) |
Kaṣe iwọn DRAM (7 bit tag) |
| - 64K baiti | 16fvW fe 32M-baiti 64M baiti |
8M baiti |
| -128K baiti | t6M baiti 32M baiti |
|
| 256K baiti | ||
| 512Kb_yte | 128M baiti | 64M baiti |
| 1M baiti | 255M baiti | 128M baiti |
Table 3-2 kaṣe Iwon Aw
| Isise Iru | Ll Ipo Kaṣe | Ipo kaṣe L2 |
| 4 86SX/DX/DX2/ DX4/SL-Imudara | 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 |
Table 3-3 Lt / L2 kaṣe atunto
| Itumọ Yiyika Hiiinii–emory | Lapapọ Aago ni Gbalejo Interface | S0MHz | ||
| 251V1Hz | 33MHz | 40MHz | ||
| Ka ẹyọkan (L2 Cache Lu) | 2 | 2 | 2 | 2 |
| —-S ri-i-gle-Reacf(12 Kaṣe Miss) | 3 | 4 | 5 | 6 |
| -Teurst-Ka (L2 Cache Hit) | 2-1-1-1 | 2-1-1-1 | 3-2-2-2 | 3-2-2-2 |
| ust-Ka (Kaṣe L2 Miss) |
3-2-2-2 | 4-3-3-3 | 5-4-4-4 | 6-5-5-5 |
| -Kọ ẹyọkan (L2 Cache Lu) | 2 | 2/VVB,3/WT | 3/W6,4/WT | 3/VVB,5NVI |
| Nikan-Kọ (Kaṣe L2 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-Kọ (U Cache Lu) | ||||
| Ti nwaye-Kọ (U Cache Miss) |
4-3-3-3 | 5-4-4-4 | ||
Table 3-4 U kaṣe / DRAM Performance Aw
Ojiji cacheABLE
UMB (Idina iranti Oke) eyiti kii ṣe agbegbe iranti akọkọ Ṣe nipasẹ aiyipada kii ṣe kaṣe. Sibẹsibẹ, ni kete ti ojiji, awọn apakan Ramu 0C0000-OFFFFFh le jẹ cache siwaju ni Ipele 2 ati kaṣe Ipele 1. Awọn apakan iranti 32K kọọkan ni a le mu ṣiṣẹ lẹkọọkan lati jẹ kaṣe nipasẹ mejeeji 85C495 kaṣe ipele keji ati cache inu Sipiyu.SIM SOCKETS
je $4967 Rev:2B.31 Kaṣe eto ọkọ yoo ni atilẹyin 4 DRAM bèbe, Bank 0 ati Bank 1 k 2 ati Bank 3 ni SIMM sockets lo 72-pin SIMM : DRAM Iru le jẹ 256K, 512K, , 2M, 4M, tabi 16M nipa 32/36 Fast ẹgbẹ XNUMX tabi XNUMX-die-die-die-die-die.
awọn lilo ti 256K, 512K, 1M, 2M, 4M tabi 16M DRAM modulu, 1M ati ki o to 255 M iranti le ti wa ni waye. Awọn fifi sori ẹrọ ti DRAM SIMM Jẹ "Table-free", eyi ti
awọn SIMM ti wa ni fi sori ẹrọ sinu eyikeyi siot ipo ati eyikeyi awọn akojọpọ.
PU fifi sori:
Sipiyu Iru yan
JUMPER:
Awọn isopọ:
Awọn iwe aṣẹ / Awọn orisun
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