Hardware Design 2-5
* 6x86-PR120+ = 50MHz x 2/100MHz, 6x86-PR133+ = 55MHz x 2/110MHz
* 6x86-PR150+ = 60MHz x 2/120MHz, 6x86-PR166+ = 66MHz x 2/133MHz
* 6x86-PR200+ = 75MHz x 2/150MHz
2-3 System Memory Configuration
The P55-VP 2
supports different type of settings for the system memory. The
following figures and table provides all possible memory combinations. (Please refer
to
Appendix C: Memory Configuration Table
for the details).
3
1
JP3
CPU Vcore voltage selection
1-2 : 2.9V For AMD K6-PR166/200
2-3 : 2.8V For Pentium MMX Processor & Cyrix 6x86L
Open : 3.2V (Reserved)
JP4
CPU Type Selection
1-2 : Auto (for Intel Pentium MMX Processor, AMD K5/K6
and Cyrix 6x86/6x86L/M2)
2-3 : Manual (for Intel Pentium Processor)
1
3
>
>
>
DIMM
SIMM4
SIMM2
SIMM3
BANK 4,5 5V FP / EDO DRAM
BANK 2,3 5V FP / EDO DRAM
3V Synchronous DRAM
or 3V FP / EDO DRAM
BANK 0,1
NOTE :
1. P55-VP 2 supports both Fast Page DRAM and EDO DRAM SIMMs, but
they cannot be used in the same memory bank.
2. The KEY ZOOM of the DIMM socket is 3.3V / Unbuffered.
SIMM1
LEFT KEY ZONE
CENTER KEY ZONE
DRAM chip
