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2006-06-28
2006-06-27
Geil 256MB USB Flash Key @HK$65
Product Homepage
GeIL Extreme Performance Dual Channel USB Pen Drive (2005.09.20)
Purchased on 2006.06.26
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USB Hardware Information
$ dmesg
usb 1-3: new high speed USB device using ehci_hcd and address 4 usb 1-3: configuration #1 chosen from 1 choice scsi1 : SCSI emulation for USB Mass Storage devices usb-storage: device found at 4 usb-storage: waiting for device to settle before scanning Vendor: Model: USB DISK 2.0 Rev: 1.13 Type: Direct-Access ANSI SCSI revision: 00 SCSI device sda: 503808 512-byte hdwr sectors (258 MB) sda: Write Protect is off sda: Mode Sense: 23 00 00 00 sda: assuming drive cache: write through SCSI device sda: 503808 512-byte hdwr sectors (258 MB) sda: Write Protect is off sda: Mode Sense: 23 00 00 00 sda: assuming drive cache: write through sda: sda1 sd 1:0:0:0: Attached scsi removable disk sda usb-storage: device scan complete
$ lsusb -s 1:4 -v
Bus 001 Device 004: ID 13fe:1a00 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x13fe idProduct 0x1a00 bcdDevice 1.00 iManufacturer 1 iProduct 2 USB DISK 2.0 iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 32 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 MaxPower 200mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 8 Mass Storage bInterfaceSubClass 6 SCSI bInterfaceProtocol 80 Bulk (Zip) iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 bNumConfigurations 1
Disk Geometry
$ fdisk -l /dev/sda
Disk /dev/sda: 257 MB, 257949696 bytes
16 heads, 32 sectors/track, 984 cylinders
Units = cylinders of 512 * 512 = 262144 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 984 251888 e W95 FAT16 (LBA)
$ sfdisk -gG /dev/sda
/dev/sda: 984 cylinders, 16 heads, 32 sectors/track /dev/sda: 984 cylinders, 16 heads, 32 sectors/track
(note: 256 x 1,024 x 1,024 = 268,435,456!!)
Disk Read Performance
$ time dd if=/dev/sda1 of=/tmp/TEST_GEIL256MB
503776+0 records in
503776+0 records out
257933312 bytes (258 MB) copied, 9.86463 seconds, 26.1 MB/s
real 0m9.867s
user 0m0.210s
sys 0m1.578s
$ ls -l /tmp/TEST_GEIL256MB
-rw-r--r-- 1 root root 257933312 2006-06-27 13:01 TEST_GEIL256MB
$ time dd if=/dev/sda1 of=/tmp/TEST_GEIL256MB
503776+0 records in
503776+0 records out
257933312 bytes (258 MB) copied, 9.73236 seconds, 26.5 MB/s
real 0m9.735s
user 0m0.205s
sys 0m1.570s
Disk Write Performance
$ time dd if=/tmp/TEST_GEIL256MB of=/dev/sda1
503776+0 records in
503776+0 records out
257933312 bytes (258 MB) copied, 45.8822 seconds, 5.6 MB/s
real 0m45.885s
user 0m0.158s
sys 0m1.236s
$ sync
$ time dd if=/tmp/TEST_GEIL256MB of=/dev/sda1
503776+0 records in
503776+0 records out
257933312 bytes (258 MB) copied, 45.6636 seconds, 5.6 MB/s
real 0m45.666s
user 0m0.170s
sys 0m1.333s
2006-06-20
Ping from Windows XP to x86 Wireless Router
The x86 Wireless Router
$ uname -a
Linux dunno 2.6.17-gentoo #1 Tue Jun 20 00:40:37 CST 2006 i686 mobile AMD Athlon(tm) XP-M 2800+ GNU/Linux
$ lspci
00:0b.0 Ethernet controller: Atheros Communications, Inc. AR5212 802.11abg NIC (rev 01)
Subsystem: D-Link System Inc D-Link AirPlus DWL-G520 Wireless PCI Adapter(rev.B)
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 168 (2500ns min, 7000ns max), Cache Line Size: 256 bytes
Interrupt: pin A routed to IRQ 209
Region 0: Memory at cffe0000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=2 PME-
$ iwconfig
ath0 IEEE 802.11g ESSID:"XXXXXXXX"
Mode:Master Frequency:2.437 GHz Access Point: XX:XX:XX:XX:XX:XX
Bit Rate:0 kb/s Tx-Power:18 dBm Sensitivity=0/3
Retry:off RTS thr:off Fragment thr:off
Encryption key:XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XXXX [2] Security mode:open
Power Management:off
Link Quality=49/94 Signal level=-46 dBm Noise level=-95 dBm
Rx invalid nwid:13 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
Windows XP on IBM Thinkpad X31$ ping 192.168.52.149 -c 20
PING 192.168.52.149 (192.168.52.149) 56(84) bytes of data. 64 bytes from 192.168.52.149: icmp_seq=1 ttl=128 time=2.45 ms 64 bytes from 192.168.52.149: icmp_seq=2 ttl=128 time=1.93 ms 64 bytes from 192.168.52.149: icmp_seq=3 ttl=128 time=127 ms 64 bytes from 192.168.52.149: icmp_seq=4 ttl=128 time=1.04 ms 64 bytes from 192.168.52.149: icmp_seq=5 ttl=128 time=26.2 ms 64 bytes from 192.168.52.149: icmp_seq=6 ttl=128 time=50.5 ms 64 bytes from 192.168.52.149: icmp_seq=7 ttl=128 time=75.0 ms 64 bytes from 192.168.52.149: icmp_seq=8 ttl=128 time=98.2 ms 64 bytes from 192.168.52.149: icmp_seq=9 ttl=128 time=20.1 ms 64 bytes from 192.168.52.149: icmp_seq=10 ttl=128 time=44.0 ms 64 bytes from 192.168.52.149: icmp_seq=11 ttl=128 time=68.4 ms 64 bytes from 192.168.52.149: icmp_seq=12 ttl=128 time=2.42 ms 64 bytes from 192.168.52.149: icmp_seq=13 ttl=128 time=1.01 ms 64 bytes from 192.168.52.149: icmp_seq=14 ttl=128 time=38.1 ms 64 bytes from 192.168.52.149: icmp_seq=15 ttl=128 time=63.5 ms 64 bytes from 192.168.52.149: icmp_seq=16 ttl=128 time=1.02 ms 64 bytes from 192.168.52.149: icmp_seq=17 ttl=128 time=1.01 ms 64 bytes from 192.168.52.149: icmp_seq=18 ttl=128 time=31.8 ms 64 bytes from 192.168.52.149: icmp_seq=19 ttl=128 time=56.1 ms 64 bytes from 192.168.52.149: icmp_seq=20 ttl=128 time=80.4 ms --- 192.168.52.149 ping statistics --- 20 packets transmitted, 20 received, 0% packet loss, time 19005ms rtt min/avg/max/mdev = 1.013/39.568/127.513/36.517 ms
2006-06-12
Microsoft Shared Computer Toolkit for Windows XP
Introducing powerful new software tools for shared computers in schools, libraries, Internet cafes, and other public places. The Shared Computer Toolkit helps make it easy to set up, safeguard, and manage reliable shared computers running genuine Windows XP.
Microsoft
Microsoft
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