Direct Media Interface
Direct Media Interface, ñîêð. DMI â ïîñëåäîâàòåëüíàÿ øèíà, ðàçðàáîòàííàÿ ôèðìîé Intel äëÿ ñîåäèíåíèÿ þæíîãî ìîñòà (ICH) ìàòåðèíñêîé ïëàòû c ñåâåðíûì (MCH èëè GMCH). Âïåðâûå DMI èñïîëüçîâàíà â ÷èïñåòàõ ñåìåéñòâà Intel 915 ñ þæíûì ìîñòîì ICH6 â 2004 ãîäó[1]. Ñåðâåðíûå ÷èïñåòû èñïîëüçóþò ïîõîæèé èíòåðôåéñ, íàçûâàåìûé Enterprise Southbridge Interface (ESI).
Ïðîïóñêíàÿ ñïîñîáíîñòü øèíû DMI ïåðâîãî ïîêîëåíèÿ ñîñòàâëÿåò 2 ÃÁ/ñåê, ÷òî çíà÷èòåëüíî âûøå, ÷åì ïðîïóñêíàÿ ñïîñîáíîñòü øèíû Hub Link (266 ÌÁ/ñåê), êîòîðàÿ èñïîëüçóåòñÿ äëÿ ñâÿçè ìåæäó ñåâåðíûì è þæíûì ìîñòàìè â ÷èïñåòàõ Intel 815/845/848/850/865/875. Âìåñòå ñ ýòèì, ïîëîñà ïðîïóñêàíèÿ 2 ÃÁ/ñåê (ïî 1 ÃÁ/ñåê â êàæäîì íàïðàâëåíèè) äåëèòñÿ ñ äðóãèìè óñòðîéñòâàìè (íàïðèìåð, PCI Express x1, PCI, HD Audio, æåñòêèå äèñêè), òàê ÷òî ôàêòè÷åñêè å¸ øèðèíà óæå.
 ìàòåðèíñêèõ ïëàòàõ äëÿ ïðîöåññîðîâ ñ ðàçú¸ìîì LGA 1156 (òî åñòü äëÿ Core i3, Core i5 è íåêîòîðûõ ñåðèé Core i7[2] è Xeon) è ñî âñòðîåííûì êîíòðîëëåðîì ïàìÿòè, DMI èñïîëüçóåòñÿ äëÿ ïîäñîåäèíåíèÿ ÷èïñåòà (PCH) íåïîñðåäñòâåííî ê ïðîöåññîðó[3]. (Ïðîöåññîðû ñåðèè Core i7 äëÿ LGA 1366 ïîäñîåäèíÿåòñÿ ê ÷èïñåòó ÷åðåç øèíó QPI[4].)
DMI ÿâëÿåòñÿ ïðîïðèåòàðíîé òåõíîëîãèåé Intel.  2009 ãîäó Intel îòêàçàëàñü ëèöåíçèðîâàòü øèíó DMI ôèðìå Nvidia. Ïîñêîëüêó ïîääåðæêà DMI âñòðîåíà â ïðîöåññîðû ñ ÿäðàìè Lynfield è Clarkdale äëÿ ðàçú¸ìà LGA 1156 è èñïîëüçóåòñÿ äëÿ ïîäñîåäèíåíèÿ ê ÷èïñåòó, Nvidia ôàêòè÷åñêè ïîòåðÿëà ïðàâî ïðîèçâîäèòü ÷èïñåòû äëÿ áîëüøåé ÷àñòè íîâûõ ïðîöåññîðîâ Intel[5].
[ïðàâèòü] Ñì. òàêæå
[ïðàâèòü] Ïðèìå÷àíèÿ
- â‘ The Intel® 915P Express Chipset, with high-bandwidth interfaces and PCI Express Graphics (àíãë.). Ïðîâåðåíî 5 ÿíâàðÿ 2010.
- â‘ Intel® Coreâ„ i7-800 and i5-700 Processor Series Datasheet - Volume 1 (àíãë.). Àðõèâèðîâàíî èç ïåðâîèñòî÷íèêà 14 àïðåëÿ 2012. Ïðîâåðåíî 5 ÿíâàðÿ 2010.
- â‘ Intel® Desktop Board DP55KG and Intel® Desktop Board DP55SB Extreme Series Performance Tuning Guide (àíãë.). Ïðîâåðåíî 5 ÿíâàðÿ 2010.
- â‘ Intel® Coreâ„ i7-900 Desktop Processor Extreme Edition Series and Intel® Coreâ„ i7-900 Desktop Processor Series Datasheet, Volume 1 (àíãë.). Ïðîâåðåíî 5 ÿíâàðÿ 2010.
- â‘ Nvidia halts future Intel chipset development (àíãë.). The Register (9 October 2009). Àðõèâèðîâàíî èç ïåðâîèñòî÷íèêà 14 àïðåëÿ 2012. Ïðîâåðåíî 5 ÿíâàðÿ 2010.
| Êîìïüþòåðíûå øèíû | |
|---|---|
| Îñíîâíûå ïîíÿòèÿ | Øèíà àäðåñà Øèíà äàííûõ Øèíà óïðàâëåíèÿ Ïðîïóñêíûå ñïîñîáíîñòè |
| Ïðîöåññîðû | BSB FSB DMI HyperTransport QPI |
| Âíóòðåííèå | AGP ASUS Media Bus EISA InfiniBand ISA LPC MBus MCA NuBus PCI PCIe PCI-X Q-Bus SBus SMBus VLB VMEbus Zorro III |
| Íîóòáóêè | ExpressCard MXM PC Card |
| Íàêîïèòåëè | ST-506 ESDI ATA eSATA Fibre Channel HIPPI iSCSI SAS SATA SCSI |
| Ïåðèôåðèÿ | 1-Wire ADB I²C IEEE 1284 (LPT) IEEE 1394 (FireWire) Multibus PS/2 RS-232 RS-485 SPI USB Èãðîâîé ïîðò |
| Óíèâåðñàëüíûå | Futurebus InfiniBand QuickRing SCI RapidIO IEEE-488 Thunderbolt (Light Peak) |
