$ sudo hwinfo | grep -i mem
probe = 0x00138fc4aa17fffdfffe (+memory +pci +isapnp +net +floppy +misc +misc.serial +misc.par +misc.floppy +serial +cpu +bios +monitor +mouse +scsi +usb -usb.mods +adb +modem +modem.usb +parallel +parallel.lp +parallel.zip +isa +isa.isdn +isdn +kbd +prom +sbus +int +braille +braille.alva +braille.fhp +braille.ht -ignx11 +sys -bios.vbe -isapnp.old -isapnp.new -isapnp.mod +braille.baum -manual +fb +pppoe -scan +pcmcia -fork -parallel.imm +s390 -cpuemu -sysfs -s390disks +udev +block +block.cdrom +block.part +edd +edd.mod -bios.ddc -bios.fb -bios.mode +input +block.mods +bios.vesa -cpuemu.debug -scsi.noserial +wlan -bios.crc -hal -bios.vram -max -lxrc)
  block.storage_device = '/org/freedesktop/Hal/devices/storage_serial_0930_USB_Flash_Memory_0B606A60A181289F'
  info.parent = '/org/freedesktop/Hal/devices/storage_serial_0930_USB_Flash_Memory_0B606A60A181289F'
  15: udi = '/org/freedesktop/Hal/devices/storage_serial_0930_USB_Flash_Memory_0B606A60A181289F'
  block.storage_device = '/org/freedesktop/Hal/devices/storage_serial_0930_USB_Flash_Memory_0B606A60A181289F'
  info.udi = '/org/freedesktop/Hal/devices/storage_serial_0930_USB_Flash_Memory_0B606A60A181289F'
  info.product = 'USB Flash Memory'
  storage.serial = '0930_USB_Flash_Memory_0B606A60A181289F'
  storage.model = 'USB Flash Memory'
  scsi.model = 'USB Flash Memory'
  info.product = 'USB Flash Memory'
  usb_device.product = 'USB Flash Memory'
/dev/mem[0x400, 256]: mmap(, 4096,,,, 0x0) ok
/dev/mem[0xc0000, 262144]: mmap(, 262144,,,, 0xc0000) ok
  bios: 639k low mem
/dev/mem[0x9fc00, 1]: mmap(, 4096,,,, 0x9f000) ok
/dev/mem[0x9fc00, 1024]: mmap(, 4096,,,, 0x9f000) ok
/dev/mem[0xf0800, 1050]: mmap(, 4096,,,, 0xf0000) ok
/dev/mem[0xf1400, 65536]: mmap(, 69632,,,, 0xf1000) ok
/dev/mem[0xf5ec0, 16]: mmap(, 4096,,,, 0xf5000) ok
/dev/mem[0xf1400, 272]: mmap(, 4096,,,, 0xf1000) ok
/dev/mem[0xc0000, 3]: mmap(, 4096,,,, 0xc0000) ok
/dev/mem[0xc0000, 49152]: mmap(, 49152,,,, 0xc0000) ok
/dev/mem[0x0, 4096]: mmap(, 4096,,,, 0x0) ok
  <5>[17179585.236000]   Vendor:           Model: USB Flash Memory  Rev: 5.00
>> memory.1: main memory size
  kcore mem:  0x7ff0000
  klog mem 0: 0x0
  klog mem 1: 0x0
  klog mem:   0x0
  bios mem:   0x0
  meminfo:    0x7b41000
    model = USB Flash Memory
    product = "USB Flash Memory"
  S: disk/by-id/usb-0930_USB_Flash_Memory_0B606A60A181289F
  E: ID_MODEL=USB_Flash_Memory
  E: ID_SERIAL=0930_USB_Flash_Memory_0B606A60A181289F
  S: disk/by-id/usb-0930_USB_Flash_Memory_0B606A60A181289F-part1
  E: ID_MODEL=USB_Flash_Memory
  E: ID_SERIAL=0930_USB_Flash_Memory_0B606A60A181289F
  links: /dev/disk/by-id/usb-0930_USB_Flash_Memory_0B606A60A181289F, /dev/disk/by-path/pci-0000:00:07.3-usb-0:2:1.0-scsi-0:0:0:0
  links: /dev/disk/by-id/usb-0930_USB_Flash_Memory_0B606A60A181289F-part1, /dev/disk/by-path/pci-0000:00:07.3-usb-0:2:1.0-scsi-0:0:0:0-part1, /dev/disk/by-uuid/4D84-911B
  prop read: /org/freedesktop/Hal/devices/storage_serial_0930_USB_Flash_Memory_0B606A60A181289F (failed)
  Base Memory: 639 kB
12: None 00.0: 10102 Main Memory
  [Created at memory.61]
  Hardware Class: memory
  Model: "Main Memory"
  Memory Range: 0x00000000-0x07feffff (rw)
  Memory Size: 128 MB
  Memory Range: 0xd0000000-0xd3ffffff (rw,prefetchable)
  Memory Range: 0xd6000000-0xd60000ff (rw,non-prefetchable)
  Memory Range: 0xd6002000-0xd60020ff (rw,non-prefetchable)
  Memory Range: 0xd4000000-0xd4ffffff (rw,prefetchable)
  Memory Range: 0xd6001000-0xd6001fff (rw,non-prefetchable)
  Memory Range: 0x10000000-0x1001ffff (ro,prefetchable,disabled)
  UDI: /org/freedesktop/Hal/devices/storage_serial_0930_USB_Flash_Memory_0B606A60A181289F
  Model: "USB Flash Memory"
  Device: usb 0x6545 "USB Flash Memory"
  Device Files: /dev/sda, /dev/disk/by-id/usb-0930_USB_Flash_Memory_0B606A60A181289F, /dev/disk/by-path/pci-0000:00:07.3-usb-0:2:1.0-scsi-0:0:0:0
  Device Files: /dev/sda1, /dev/disk/by-id/usb-0930_USB_Flash_Memory_0B606A60A181289F-part1, /dev/disk/by-path/pci-0000:00:07.3-usb-0:2:1.0-scsi-0:0:0:0-part1, /dev/disk/by-uuid/4D84-911B