User's Manual

11-29-1999_14:44
REVISION HISTORY
38
PCD PLATFORM DESIGN
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FOLSOM, CALIFORNIA 95630
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TITLE: INTEL(R) 820 CHIPSET DUAL PROCESSOR CUSTOMER REFERENCE BOARD
3.03
OF 38
R
Changed VDDQ cap values from 0.1uF to 0.01uF.
Deleted 3.3V decoupling for RIMM connectors. Added solder side decoup for MCH.
Changed value of capacitor C194 from 0.1uF to 0.01uF.
Modified MCH_AGPREF circuit, changed 432 ohm to 1K ohm and 62 ohm to 80.6 ohm.
Modified RIMM connectors to eliminate 3.3V, added 0.1uF decoup caps to SVDDA & SVDDB on each RIMM.
Revision History
Modified HUBREF circuit, deleted R222, R223 & C217, changed C218 from 470pF to 0.1uF.
Pg 8
Pg 10
Pg 13
Modified CMD and SCK termination values. Removed 470pF capacitors, Changed 93 ohm to 90.9 ohm,
and changed 39 ohm to 39.2 ohm resistors.
Pg 35
Pg 36