系統顯示安裝的記憶體為8G, 但可用的記憶體只有4.3G
我設定 1G RAMDISK, 512M Virtual Mem on RAMDISK.
感覺全部不到8G
OS: Win 7 64 bit

我用SPECCY看到的RAM資訊如下, 請問這樣正常嗎
RAM
Memory slots
Total memory slots 4
Used memory slots 2
Free memory slots 2
Memory
Type DDR3
Size 8192 MBytes
Channels # Dual
DRAM Frequency 532.1 MHz
CAS# Latency (CL) 7 clocks
RAS# to CAS# Delay (tRCD) 7 clocks
RAS# Precharge (tRP) 7 clocks
Cycle Time (tRAS) 20 clocks
Command Rate (CR) 1T
Physical Memory
Memory Usage 73 %
Total Physical 4.30 GB
Available Physical 1.16 GB
Total Virtual 4.42 GB
Available Virtual 1.15 GB
SPD
Number Of SPD Modules 2
Slot #1
Slot #2