[Speccy doesn't see all DIMM modules on dual Opteron]

On a server I am testing, I noticed that Speccy only reports half the memory modules in the system. It probably only sees the modules attached to one CPU. The machine has 16 modules, but Speccy only reports 8.

 

Summary
        Operating System
            Windows Server 2012 R2 Datacenter 64-bit
        CPU
            AMD Opteron 6272    26 °C
            Interlagos 32nm Technology
            AMD Opteron 6272    23 °C
            Interlagos 32nm Technology
        RAM
            128GB Dual-Channel DDR3 @ 661MHz (9-9-9-24)
        Motherboard
            Supermicro H8DG6/H8DGi (CPU 1)
        Graphics
            Standard Monitor (1280x1024@32Hz)
            Matrox G200eW (Nuvoton) WDDM 1.2 (Super Micro Computer)
            ATI FirePro V5800 (FireGL V) (Dell)
        Storage
            447GB - (SSD)
            2048GB Microsoft Storage Space Device (SSD)
        Optical Drives
            No optical disk drives detected
        Audio
            No audio card detected