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Memory not recognised

908 Views 3 Replies 2 Participants Last post by  kolridz
I have just added 1G of memory to my Asus A6 laptop (Cel, 1.7 Ghz, 512Mb - extendable to 2G). After I rebooted the laptop, it showed only 1G of ram memory instatalled. It did not recognise the original 512Mb that I had already had. Bios, Task manager, and System properties, they all show 896mB (BECAUSE OF 128mB of shared memory). Everest recognises both DIMMs: DIMM1: Qimonda 64T64020HDL3.7A (DDR2-553, 266mHZ) i DIMM3: Samsung M4 70T2864QZ3-CE6, the new one, (DDR2-667, 333Mhz), but Win XP won't recognise the total of 1,5G. By the way, does the fact that xp cannot recognise 512Mb installed on DIIM1 means that it is not functioning at all, or it is just not displayed? Is there a solution to this problem?
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XP is not the only issue where ram size is concerned. Your Bios and motherboard play a part in what's recognized and what's not. If the Bios and or Motherboard tell you it has the capability of, it doesn't necessarily mean the system is in that particular state at the moment. What are your motherboard specs? CPU - etc. The actual specs. Jazz
Field Value
Motherboard Properties
Motherboard ID 63-0100-000001-00101111-032806-RS400$AMJGB32_BIOS DATE: 03/28/06 VER: 212
Motherboard Name Asus A6000R Series Notebook

Front Side Bus Properties
Bus Type Intel AGTL+
Bus Width 64-bit
Real Clock 100 MHz (QDR)
Effective Clock 400 MHz
Bandwidth 3200 MB/s

Memory Bus Properties
Bus Width 64-bit
Real Clock 267 MHz (DDR)
Effective Clock 533 MHz
Bandwidth 4266 MB/s

Motherboard Manufacturer
Company Name ASUSTeK Computer Inc.
Product Information
BIOS Download
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Field Value
CPU Properties
CPU Type Mobile Intel Celeron M 390, 1700 MHz (17 x 100)
CPU Alias Dothan-1024
CPU Stepping C0
Instruction Set x86, MMX, SSE, SSE2
Original Clock 1700 MHz
Engineering Sample No
L1 Code Cache 32 KB
L1 Data Cache 32 KB
L2 Cache 1 MB (On-Die, ATC, Full-Speed)

CPU Physical Info
Package Type 479 Ball uFCBGA / 478 Pin uFCPGA
Package Size 3.5 cm x 3.5 cm
Transistors 140 million
Process Technology 7M, 90 nm, CMOS, Cu, Low-K Inter-Layer, High-K Gate, Strained Si
Die Size 88 mm2
Core Voltage 1.260 V
I/O Voltage 1.260 V
Typical Power 3.0 - 21.0 W (depending on clock speed)
Maximum Power 3.3 - 28.1 W (depending on clock speed)

CPU Manufacturer
Company Name Intel Corporation
Product Information

CPU Utilization
CPU #1 0 %
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