[XP2200]

Questi sono i timings consigliati da BigToe per i TCCD, prova questi:

.....
DRAM Voltage Control..........................  -  2.71v 

DRAM Configuration Settings:

DRAM Frequency Set............................  -  Auto
Command Per Clock (CPC).......................  -  Auto
CAS Latency Control (Tcl).....................  -  2.5
RAS# to CAS# delay (Trcd).....................  -  4.0
Min RAS# active time (Tras)...................  -  10.0
Row precharge time (Trp)......................  -  4.0
Row Cycle time (Trc)..........................  -  10 Bus Clocks
Row refresh cyc time (Trfc)...................  -  24 Bus Clocks
Row to Row delay (Trrd).......................  -  03 Bus Clocks
Write recovery time (Twr).....................  -  02 Bus Clocks
Write to Read delay (Twtr)....................  -  02 Bus Clocks
Read to Write delay (Trwt)....................  -  02 Bus Clocks
Refresh Period (Tref).........................  -  3072 Cycles
DRAM Bank Interleave..........................  -  Enabled

DQS Skew Control..............................  -  Auto
DQS Skew Value................................  -  0
RAM DLL SPEED.................................  -  High Speed 
DRAM Drive Strength...........................  -  Level 5
DRAM Data Drive Strength......................  -  Level 1
Max Async Latency.............................  -  7.0ns
DRAM Response Time............................  -  Normal
Read Preamble Time............................  -  5.5ns
IdleCycle Limit...............................  -  128 Cycles
Dynamic Counter...............................  -  Disable
R/W Queue Bypass..............................  -  16 x
Bypass Max....................................  -  04 x
32 Byte Granularity...........................  -  Disable(4 Bursts)

Sono dei timings molto relax, a me non piacciono molto anche perche neanche con questi sono stabile a 300mhz in Win.

Il voltaggio delle ram io comunque ti consiglio di tenerlo sui 2.84v, e miraccomando tieni il moltiplicatore della cpu basso (7x o 6x) almeno siamo sicuri di testare solo le ram.