Looking for proper ram for presario c742em

Hi everyone,

I bought a compaq recently. It's not bad but i didn't check before how does vista works under 1gb ram.:normal: My fault.
So basicly now i'm looking for 2gb ram. I've already checked on HP support site (even spoke with tech guy) but they told me that it's imposibile. Maybe somebody can help me?

Thx.

p.s.
Ram spec from HPsite:"512MB, 667MHz DDR2, PC2-5300, registered SDRAM DIMM memory module"
My mainboard:
General Information :
Manufacturer : Hewlett-Packard (HP)
Product : 30D9
Version : 83.19
Support MP : Yes, 1 CPU(s)
Version MPS : 1.4

Chassis Information :
Manufacturer : Hewlett-Packard
Type : Notebook
Version : N/A
Serial Number : None
Asset : Unspecified

On-Board Device Information :
Device : Intel Video Graphics Controller (Video)
Embedded Controller : Yes

Slots Information :
Slot PCI-Express : Available (x16)
Slot PCI-Express : Available (x1)
Slot PCI-Express : Available (x1)
Slot PCI-Express : Available (x1)
Slot PCI : Available (32-bit) 5.0v, 3.3v, Cardbus, Modem Ring Resume
Slot PCI : Available (32-bit) 5.0v, 3.3v, Cardbus, Modem Ring Resume

And my ram spec:
General Information :
DIMM0 (BANK 0 ) : 512 MB - SODIMM
DIMM2 (BANK 2 ) : 512 MB - SODIMM

Information SPD EEPROM (DIMM0) :
Manufacturer : Hyundai Electronics
Part Number : HYMP564S64CP6-Y5
Serial Number : Unspecified
Type : DDR2-SDRAM PC2-5300 (333 MHz) - [DDR2-666]
Format : SO-DIMM (67.6 x 3)
Size : 512 MB (2 ranks, 4 banks)
Module Buffered : No
Module Registered : No
Module SLi Ready (EPP) : No
Width : 64-bit
Error Correction Capability : No
Refresh : Reduced (.5x)7.8 µs, Self Refresh
Voltage : SSTL 1.8v
Prefetch Buffer : 4-bit
Manufacture : Week 24 of 2007
Supported Frequencies : 200 MHz, 266 MHz, 333 MHz
CAS Latency (tCL) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @333 MHz
RAS to CAS (tRCD) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @333 MHz
RAS Precharge (tRP) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @333 MHz
Cycle Time (tRAS) : 9 clocks @200 MHz, 12 clocks @266 MHz, 15 clocks @333 MHz
Min TRC : 12 clocks @200 MHz, 16 clocks @266 MHz, 20 clocks @333 MHz

Information SPD EEPROM :
Manufacturer : Hyundai Electronics
Part Number : HYMP564S64CP6-Y5
Serial Number : 04004235
Type : DDR2-SDRAM PC2-5300 (333 MHz) - [DDR2-666]
Format : SO-DIMM (67.6 x 3)
Size : 512 MB (2 ranks, 4 banks)
Module Buffered : No
Module Registered : No
Module SLi Ready (EPP) : No
Width : 64-bit
Error Correction Capability : No
Refresh : Reduced (.5x)7.8 µs, Self Refresh
Voltage : SSTL 1.8v
Prefetch Buffer : 4-bit
Manufacture : Week 24 of 2007
Supported Frequencies : 200 MHz, 266 MHz, 333 MHz
CAS Latency (tCL) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @333 MHz
RAS to CAS (tRCD) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @333 MHz
RAS Precharge (tRP) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @333 MHz
Cycle Time (tRAS) : 9 clocks @200 MHz, 12 clocks @266 MHz, 15 clocks @333 MHz
Min TRC : 12 clocks @200 MHz, 16 clocks @266 MHz, 20 clocks @333 MHz

Memory Controller Information :
Memory Controller : System Memory
Location : Mainboard
Error Correction Capability : No
Number of connectors : 2
Max. Module Size : 2048 KB
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p.s.2 In my system and programs like pc wiz or sandrasisoft it says that it can handle 2gb, so thats why i don't belive HP. :grin:

Thx once again