when is 3gb not 3gb

cyclopopcicle

cyclopopcicle

cyclopopcicle

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Joined
30 Aug 2003
Posts
1,418
when windows reports it as 2.5gb?
im running win XP with 3gb in the system my bios reports it has 3gb but windows refuses to accept i have 3gb

how do i retrieve my lost .5gb?

XP64 3500 venice on an asrock 939dual-SATA2 (ULi M1695)
i have 3gb of ram in it but only 2.5 is recognised in windows
bios does though
programs i have used like sandra and everest show that the ram is installed (2 sticks of 1gb and 2 512mb sticks) but usable is only 2.5gb??



"edited to include specs"
 
Last edited:
oops sorry it was late when i posted
its an XP64 3500 venice on an asrock 939dual-SATA2 (ULi M1695)
i have 3gb of ram in it but only 2.5 is recognised in windows
bios does though
programs i have used like sandra and everest show that the ram is installed (2 sticks of 1gb and 2 512mb sticks) but usable is only 2.5gb??
 
bios does see it, all 3072 of it, i also have win XP64 installed (but cant get all my stuff to work on it but thats another story) and this version of windows sees and 3gb so i know its not a motherboard thing
 
allready latest bios

spec sheet from asrock
*see highlighted red*



CPU - Socket 939 for AMD Athlon 64FX / Athlon 64 and Sempron processor
- FSB 1000 MHz (2.0GT/s)
- Supports HyperTransport Technology
- Supports AMD Cool'n'Quiet Technology
Chipset - Northbridge: ULi M1695
- Southbridge: ULI M1567
Hybrid Booster - CPU Frequency Stepless control
- CPU Multiplier
- ASRock U-COP
- Boot Failure Guard (B.F.G)
Memory - DIMM slots: 4 supported
- Max. capacity: 4GB
Expansion Slot

- 1 x AGP8X/4X slot , 1.5V only
- PCI Express x16 slot
- PCI Express x1 slot
- 3 x PCI slots
* Compatible ATiX300 and X300SE series cards list
Graphics - n/a
Audio - Realtek 850 7.1channel AC'97 audio codec
LAN - Realtek RTL8201CL 10/100 Ethernet LAN PHY
- 802.3u, WOL supported
Connector - 2 x SerialATA connectors support RAID,0,1,JBOD
- 1 x SATA2 connector (based on PCI E SATA2 controller JMB360)
- 2 x ATA 133/100/66 IDE connectors (supports 4 x IDE devices)
- 1 x Floppy connector
- CPU/Chassis FAN connectors
- 20 pin ATX power connector
- 4 pin ATX 12V power connector
- Power LED connector
- CD audio in header
- Front panel audio connector
- 2 x USB 2.0 port pin headers (to support extra 4 USB2.0 ports)
Rear Panel I/O ASRock 8CH I/O
- 4 x USB2.0 ports
- 1 x RJ45 LAN port
- 1 x Serial port (COM1)
- 1 x PS2 Keyboard connector
- 1 x PS2 Mouse connectors
- 1 x Parallel port (LPT1)
- 2 x Audio ports to support 8 Ch audio ( Line In/Out, Mic In)
BIOS Feature - 2Mb AMI BIOS with ACPI, SM BIOS 3.0, PnP
Support CD - Drivers, Utilities, AntiVirus Software
- SATA driver and utility
Accessories - Quick Installation Guide, Support CD, I/O shield
- Floppy/ATA 133 cables
- 1 x SerialATA data cable
- 1 x SerialATA 1-to-1 power cable
Form Factor - ATX, 305mm x 244mm
OS - Microsoft Windows 98SE/ME/2000/XP/XP 64-bit compliant
Certifications - FCC, CE, MS WHQL
 
didnt work nathan :( but nice try

what i have noticed though is in system properties it says under the memory bit on first screen is "physical address extension" does it mean anything??
 
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