FreeBSD 5-CURRENT 的内核配置与优化(3)

# PCCARD (PCMCIA)支持
device cbb # cardbus (yenta) bridge
#device pcic # ExCA ISA and PCI bridges
device pccard # PC Card (16-bit) bus
device cardbus # CardBus (32-bit) bus

# 串口(COM)支持
device sio # 8250, 16[45]50 based serial ports

# 并口支持
device ppc
device ppbus # Parallel port bus (required)
device lpt # Printer
device plip # TCP/IP over parallel
device ppi # Parallel port interface device
#device vpo # Requires scbus and da


# 独立 PCI 以太网卡支持，这些设备不需要miibus，
# 非SMP情况下还支持DEVICE_POLLING，可惜我一个也没有
device de # DEC/Intel DC21x4x (``Tulip'')
device em # Intel PRO/1000 adapter Gigabit Ethernet Card
device txp # 3Com 3cR990 (``Typhoon'')
device vx # 3Com 3c590, 3c595 (``Vortex'')

device miibus # MII bus支持

# 以下PCI以太网卡需要MII bus支持才能用
device dc # DEC/Intel 21143 and various workalikes
device fxp # Intel EtherExpress PRO/100B (82557, 82558)
device pcn # AMD Am79C97x PCI 10/100 (precedence over 'lnc')
device rl # RealTek 8129/8139
device sf # Adaptec AIC-6915 (``Starfire'')
device sis # Silicon Integrated Systems SiS 900/SiS 7016
device ste # Sundance ST201 (D-Link DFE-550TX)
device tl # Texas Instruments ThunderLAN
device tx # SMC EtherPower II (83c170 ``EPIC'')
device vr # VIA Rhine, Rhine II
device wb # Winbond W89C840F
device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
device bge # Broadcom BCM570xx 千兆以太网卡

# ISA网卡
device cs # Crystal Semiconductor CS89x0 NIC
# 'device ed' 需要 'device miibus'
device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards
device ex # Intel EtherExpress Pro/10 and Pro/10
device ep # Etherlink III based cards
device fe # Fujitsu MB8696x based cards
device lnc # NE2100, NE32-VL Lance Ethernet cards
device sn # SMC's 9000 series of ethernet chips
device xe # Xircom pccard ethernet

# ISA设备，有个性的代码……
#device le

# Wireless NIC cards
device wlan # 802.11 support
device an # Aironet 4500/4800 802.11 wireless NICs.
device awi # BayStack 660 and others
device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
#device wl # Older non 802.11 Wavelan wireless NIC.

# 伪设备
device random # 随机数采集发生器(/dev/random, /dev/urandom)
device loop # 自环网络
device ether # 以太网支持
device sl # 内核级 SLIP
device ppp # 内核级 PPP
device tun # 包隧道(ppp(, nos-tun()
device pty # 伪tty (telnet等等)
device md # 虚拟盘
device gif # IPv6对IPv4隧道
device faith # IPv6对IPv4转发

# `bpf'伪设备将启用伯克利数据包过滤器。
# 小心由此带来的管理问题
pseudo-device bpf #Berkeley packet filter

# USB support
device uhci # UHCI PCI->USB interface
device ohci # OHCI PCI->USB interface
device usb # USB Bus (required)
#device udbp # USB Double Bulk Pipe devices
device ugen # Generic
device uhid # "Human Interface Devices"
device ukbd # Keyboard
device ulpt # Printer
device umass # Disks/Mass storage - Requires scbus and da
device ums # Mouse
device urio # Diamond Rio 500 MP3 player
device uscanner # Scanners
# USB Ethernet, requires mii
device aue # ADMtek USB ethernet
device cue # CATC USB ethernet
device kue # Kawasaki LSI USB ethernet

粗略地说说上面的选择。COM, PPC这些东西不用我说，这台机器并不需要连接打印设备，也不需要连接COM口键盘，所以一律去掉。使用ULE调度器的原因是为了给FreeBSD的开发做点贡献，如果你不喜欢冒险的话，可以考虑使用4BSD的，当然，话说回来，如此在意稳定性的话，用4-STABLE可能是更好的选择。

上述内核配置文件需要最新的CURRENT代码。如果你没有和FreeBSD中央CVS服务器同步的话，那么你可能需要首先同步代码；如果还有问题，希望能收到你的来信

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