lshwコマンドで全ハードウェアの情報が見られます。

Mac mini（Mid 2010）にubuntu10.10 serverをインストールして使ってます。
Macmini4,1 = Mac mini（Mid 2010）です。
メモリは8GBにしてUSBのNIC(Buffalo LUA3-U2-AGT)を２つ付けてます。

% sudo lshw -short
H/W path       Device      Class       Description
==================================================
                           system      Macmini4,1
/0                         bus         Mac-F2208EC8
/0/0                       processor   Intel(R) Core(TM)2 Duo CPU     P8600  @ 2.40GHz
/0/0/2                     memory      32KiB L1 cache
/0/1                       memory      32KiB L1 cache
/0/3                       processor   CPU
/0/3/5                     memory      32KiB L1 cache
/0/4                       memory      32KiB L1 cache
/0/6                       memory      8GiB System Memory
/0/6/0                     memory      4GiB SODIMM Synchronous 1067 MHz (0.9 ns)
/0/6/1                     memory      4GiB SODIMM Synchronous 1067 MHz (0.9 ns)
/0/e                       memory      1MiB BIOS
/0/100                     bridge      MCP89 HOST Bridge
/0/100/0.1                 memory      RAM memory
/0/100/1                   memory      RAM memory
/0/100/1.1                 memory      RAM memory
/0/100/1.2                 memory      RAM memory
/0/100/1.3                 memory      RAM memory
/0/100/2                   memory      RAM memory
/0/100/2.1                 memory      RAM memory
/0/100/3                   bridge      MCP89 LPC Bridge
/0/100/3.1                 memory      RAM memory
/0/100/3.2                 bus         MCP89 SMBus
/0/100/3.3                 memory      RAM memory
/0/100/3.4                 processor   MCP89 Co-Processor
/0/100/4                   bus         MCP89 OHCI USB 1.1 Controller
/0/100/4.1                 bus         MCP89 EHCI USB 2.0 Controller
/0/100/6                   bus         MCP89 OHCI USB 1.1 Controller
/0/100/6.1                 bus         MCP89 EHCI USB 2.0 Controller
/0/100/8                   multimedia  MCP89 High Definition Audio
/0/100/a       scsi0       storage     MCP89 SATA Controller
/0/100/a/0     /dev/sda    disk        320GB TOSHIBA MK3255GS
/0/100/a/0/1               volume      200MiB EFI GPT partition
/0/100/a/0/2   /dev/sda2   volume      46GiB Darwin/OS X HFS+ partition
/0/100/a/0/3   /dev/sda3   volume      9536MiB Linux swap volume
/0/100/a/0/4   /dev/sda4   volume      242GiB EXT4 volume
/0/100/a/1     /dev/cdrom  disk        DVDRW  GA32N
/0/100/b                   memory      RAM memory
/0/100/e                   bridge      nVidia Corporation
/0/100/e/0                 bridge      XIO2213A/B/XIO2221 PCI Express to PCI Bridge
/0/100/e/0/0               bus         XIO2213A/B/XIO2221 IEEE-1394b OHCI Controller
/0/100/15                  bridge      nVidia Corporation
/0/100/15/0                network     BCM43224 802.11a/b/g/n
/0/100/16                  bridge      nVidia Corporation
/0/100/16/0    eth0        network     NetXtreme BCM57765 Gigabit Ethernet PCIe
/0/100/16/0.1              generic     Broadcom Corporation
/0/100/17                  bridge      MCP89 PCI Express Bridge
/0/100/17/0                display     nVidia Corporation
/1             eth1        network     Ethernet interface
/2             eth2        network     Ethernet interface