Get an HP T5000 series. I use that for my home firewall; no fans and no noise. With 3 NICs it uses less than 1A.
OpenBSD 4.4-beta (GENERIC) #976: Fri Jul 11 16:41:38 MDT 2008 pvalc...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC cpu0: Transmeta(tm) Crusoe(tm) Processor TM5800 ("GenuineTMx86" 586-class) 732 MHz cpu0: FPU,V86,DE,PSE,TSC,MSR,CX8,SEP,CMOV,SER,MMX real mem = 251146240 (239MB) avail mem = 234598400 (223MB) mainbus0 at root bios0 at mainbus0: AT/286+ BIOS, date 10/10/03, BIOS32 rev. 0 @ 0xfa2b0, SMBIOS rev. 2.3 @ 0xf0800 (31 entries) bios0: vendor Phoenix Technologies, LTD version "786W2 v1.07" date 10/10/2003 bios0: Hewlett-Packard hp t5000 series acpi0 at bios0: rev 0 acpi0: tables DSDT FACP acpi0: wakeup devices PCI0(S5) LAN0(S5) USB0(S4) USB1(S4) acpitimer0 at acpi0: 3579545 Hz, 24 bits acpiprt0 at acpi0: bus 0 (PCI0) acpicpu0 at acpi0: C3, C2 acpibtn0 at acpi0: PWRB bios0: ROM list: 0xc0000/0x8000 0xc8000/0xa000 cpu0 at mainbus0 pci0 at mainbus0 bus 0: configuration mode 1 (bios) pchb0 at pci0 dev 0 function 0 "Transmeta LongRun Northbridge" rev 0x03 "Transmeta Mem1" rev 0x00 at pci0 dev 0 function 1 not configured "Transmeta Mem2" rev 0x00 at pci0 dev 0 function 2 not configured em0 at pci0 dev 11 function 0 "Intel PRO/1000MT (82546GB)" rev 0x03: irq 11, address 00:04:23:ab:6e:68 em1 at pci0 dev 11 function 1 "Intel PRO/1000MT (82546GB)" rev 0x03: irq 10, address 00:04:23:ab:6e:69 vga1 at pci0 dev 13 function 0 "ATI Rage XL" rev 0x27 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) pcib0 at pci0 dev 17 function 0 "VIA VT8231 ISA" rev 0x10 pciide0 at pci0 dev 17 function 1 "VIA VT82C571 IDE" rev 0x06: ATA100, channel 0 configured to compatibility, channel 1 configured to compatibility wd0 at pciide0 channel 0 drive 0: < 256MB ATA Flash Disk> wd0: 1-sector PIO, LBA, 245MB, 501760 sectors wd0(pciide0:0:0): using PIO mode 4 pciide0: channel 1 ignored (disabled) uhci0 at pci0 dev 17 function 2 "VIA VT83C572 USB" rev 0x1e: irq 5 uhci1 at pci0 dev 17 function 3 "VIA VT83C572 USB" rev 0x1e: irq 5 viaenv0 at pci0 dev 17 function 4 "VIA VT8231 PMG" rev 0x10: failed to map PM I/O space vr0 at pci0 dev 18 function 0 "VIA RhineII-2" rev 0x51: irq 15, address 00:0b:cd:6d:81:ae ukphy0 at vr0 phy 1: Generic IEEE 802.3u media interface, rev. 5: OUI 0x004063, model 0x0032 isa0 at pcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard, using wsdisplay0 pcppi0 at isa0 port 0x61 midi0 at pcppi0: <PC speaker> spkr0 at pcppi0 npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 usb0 at uhci0: USB revision 1.0 uhub0 at usb0 "VIA UHCI root hub" rev 1.00/1.00 addr 1 usb1 at uhci1: USB revision 1.0 uhub1 at usb1 "VIA UHCI root hub" rev 1.00/1.00 addr 1 biomask 71ed netmask fded ttymask ffff umass0 at uhub1 port 2 configuration 1 interface 0 "SMI Corporation USB DISK" rev 2.00/11.00 addr 2 umass0: using SCSI over Bulk-Only scsibus0 at umass0: 2 targets, initiator 0 sd0 at scsibus0 targ 1 lun 0: <, , 1100> SCSI0 0/direct removable sd0: 991MB, 126 cyl, 255 head, 63 sec, 512 bytes/sec, 2030592 sec total softraid0 at root root on wd0a swap on wd0b dump on wd0b On Mon, Apr 13, 2009 at 11:31:52PM +1000, Timothy Hume wrote: > Hi, > > My current PC is not very healthy. I am considering building a new low > power consumption machine. I want something a bit more powerful than a > Soekris, but it doesn't have to be the fastest machine around. I will > be using the machine for web browsing, Email, managing my digital > photos and so on. The main requirement is that the machine is quiet > and has a low power consumption so I can leave it on all the time. I > obviously want to build something which works "perfectly" with > OpenBSD. > > Is it possible to build something like I describe which uses under 30 > Watts, and if so, what hardware would people recommend? > > Cheers, > > Tim.