Intel VC820 Design Guide - Page 185
IDE Connectors
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8 7 IDE Connectors PDD[15:0] 9 D PCIRST_BUF# R333 22 PDD7 33 VCC5 PDD6 PDD5 PDD4 PDD3 R336 1K PDD2 PDD1 PDD0 PDREQ 9 PDIOW# 9 PDIOR# 9 PIORDY 9 PDDACK# 9 IRQ14 8,32 PDA1 R335 5.6K PDA0 C PDCS#1 9 IDEACTP# 18 PDA2 9 PDA[2:0] 6 5 Primary IDE J22 PCIRST#_RP1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 PDD8 PDD9 PDD10 PDD11 PDD12 PDD13 PDD14 PDD15 IDE_JP P66DETECT10 PDCS#3 9 C329 0.047UF R337 470 R320 5.6K 4 3 2 1 SDD[15:0] 9 Secondary IDE PCIRST_BUF# R318 J21 PCIRST#_RS1 2 D 22 SDD7 33 3 4 SDD8 VCC5 SDD6 5 6 SDD9 SDD5 7 8 SDD10 SDD4 9 10 SDD11 SDD3 11 12 SDD12 R321 1K SDD2 13 14 SDD13 SDD1 15 16 SDD14 SDD0 17 18 SDD15 19 20 SDREQ 9 SDIOW# 9 SDIOR# 9 SIORDY 9 SDDACK# 9 IRQ15 8,32 SDA1 21 22 23 24 25 26 27 28 29 30 31 32 33 34 IDE_JS S66DETECT10 R322 470 SDA0 35 36 SDCS#1 37 38 SDCS#3 9 IDEACTS# 9 39 40 C 18 SDA2 C318 SDA[2:0] 9 0.047UF R319 10K R334 10K B A 8 For drive side detection, stuff C329,C318. For host side detection, no stuff C329,C318. P66DETECT and S66DETECT can be connected to a GPI for BIOS cable detection. VCC3_3 B 6,8,10,11,12,16,19,20,21 14 R351 VCC3_3 8.2K PCIRST# U19 VCC 5 6 7 GND SN74LVC07A PCIRST_BUF# 22 A TITLE: INTEL(R) 820 CHIPSET CUSTOMER REFERENCE BOARD REV: IDE CONNECTORS 1.01 R PCD PLATFORM DESIGN DRAWN BY: PROJECT: 1900 PRAIRIE CITY ROAD FOLSOM, CALIFORNIA 95630 LAST REVISED: SHEET: 11-18-1999_10:51 22 OF 36 7 6 5 4 3 2 1