RAM pamět PC2700 - lze ji rozšířit?

Mám starší PC grafika je integrovaná, pro to cona něm dělám celkem vyhovuje. Problém je poze s pamětí,mám pouze 384MB, z toho 64MB vyhrazeno pro grafiku:

Memory
[General information]
Total Memory Size: 384 MBytes
Total Memory Size [MB]: 384
[Current Performance Settings]
Current Memory Clock: 100.0 MHz (1 : 1 ratio)
Current Timing (tCAS-tRCD-tRP-tRAS): 2.5-3-3-6
Memory Runs At: Single-Channel
Row: 0 - 256 MB PC2700 DDR-SDRAM
[General Module Information]
Module Number: 0
Module Size: 256 MBytes
Memory Type: DDR-SDRAM
Error Check/Correction: None
Memory Speed: 166.7 MHz (PC2700)
Module Manufacturer: Unknown
Module Model:
Serial Number: N/A
Manufacturing Date: N/A
[Module characteristics]
Module Width: 64-bits
Module Voltage: SSTL 2.5V
SPD Revision: 1.0
Number Of Rows: 1
Row Address Bits: 13
Column Address Bits: 10
Number Of Banks: 4
[Module timing]
Supported Burst Lengths: 2, 4, 8
Refresh Rate: Reduced 0.5x (7.8 us)
Min. Back-to-Back Clock Delay: 1
Supported CAS Latencies (tCAS): 2.5, 2.0
Min. RAS-to-CAS Delay (tRCD): 18.00 ns
Min. Row Precharge Time (tRP): 18.00 ns
Min. RAS Pulse Width (tRAS): 42 ns
Supported Module Timing at 166.7 MHz: 2.5-3-3-7
Supported Module Timing at 133.3 MHz: 2.0-3-3-6
Min. Row-Activate To Row-Activate Delay (tRRD): 12.00 ns
Supported CS Latency: 0
Supported WE Latency: 1
[Features]
Buffered Address/Control Inputs: Not Supported
Registered Address/Control Inputs: Not Supported
On-card PLL For Clock: Not Supported
Buffered DQMB Inputs: Not Supported
Registered DQMB Inputs: Not Supported
Differential Clock Input: Supported
Redundant Row Address: Not Supported
Druhá je stejná, jen128MB. Chtěl bych paměť rozšířit.Dají se tyto paměťové moduly ještě sehnat? Poraďte!