Nova DDR memorija ne radi u kombinaciji sa starom

[brcakdc]

pozdrav dobri ljudi
novi sam ovdje totalno

e ovako da ne duzim mnogo moj problem se sastoji u sljedecem:

ovo je moja nazovimo "mashina"

AMD Sempron(tm) Processor 2800+

maticna ploca asrock K8Upgrade-NF3

Northbridge NVIDIA nForce3 250 rev. A1
Southbridge NVIDIA nForce3 MCP rev. A2
Memory Type DDR
Memory Size 512 MBytes
Channels Single
Memory Frequency 188.0 MHz (CPU/10)
CAS# latency (CL) 2.5
RAS# to CAS# delay (tRCD) 3
RAS# Precharge (tRP) 3
Cycle Time (tRAS) 7
Bank Cycle Time (tRC) 10
DRAM Idle Timer 16
Command Rate (CR) 2T

DIMM # 1
SMBus address 0x50
Memory type DDR
Manufacturer (ID) (7F7F7F5800000000)
Size 512 MBytes
Max bandwidth PC3200 (200 MHz)
Part number BD512TEC500
Manufacturing date Week 38/Year 05
Number of banks 2
Data width 64 bits
Correction None
Registered no
Buffered no
Nominal Voltage 2.50 Volts
EPP no
XMP no
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 2.5-3-3-8-0 @ 200 MHz

prvi modul je marke take ms ddr pc400 cl2.5

medjutim
kupio sam jos jedan modul ddr marke samsung 512mb ddr pc2700 cl2.5

i taj modul kad ustekam jednostavno se nista ne desava tj procesor nesto radi al ne dize se sistem
probao sam promjeniti mjesta modulima nista isti slucaj

a probao sam ga samog ustekati i radi sve ok




????

pomagajte dobri ljudi
hvala unaprijed

[Alister]

probaj reset cmos-a, update biosa, ili jednostavno te dve memorije nisu kompatibilne.