I have a 320 gig Maxtor ATA with 16 meg cache installed. The output of hdparm:
~ # hdparm /dev/hda /dev/hda: multcount = 0 (off) IO_support = 0 (default 16-bit) unmaskirq = 0 (off) using_dma = 1 (on) keepsettings = 0 (off) readonly = 0 (off) readahead = 8 (on) geometry = 38913/255/63, sectors = 625142448, start = 0 ~ # hdparm -Tt /dev/hda /dev/hda: Timing cached reads: 148 MB in 2.02 seconds = 73.27 MB/sec Timing buffered disk reads: 36 MB in 3.05 seconds = 11.80 MB/sec Timing cached reads: 152 MB in 2.01 seconds = 75.62 MB/sec Timing buffered disk reads: 36 MB in 3.04 seconds = 11.84 MB/sec
http://all6250.blogspot.com/
http://openwrt.org/
http://tobe.mine.nu/
http://www.uclinux.org/
http://forum.opennas.info/
http://wiki.opennas.info
ntx_libra.tgz
J1: Power pack
J2: Current supply of the non removable disk
J3: Current supply of the exhaust
J4: COM1
J5: Net socket
J6: COM2 (?)
JP1: JTAG (?)
JP2: IDE interface
SW1: In/circuit breaker
SW2: RESET tracer
LD1: Power LED
LD2: HDD-LED
LD3: Net traffic LED
In the Netronix NH-220 NAS devices the BRECIS MSP2006 MIPS32 4Km processor is blocked. Here it concerns one on 170Mhz clocked MIPS CCU. As is the case for others embedded/NAS here a MMU is missing to systems to the store management.
The CCU is accessible over a JTAG interface.
http://wiki.openwrt.org/OpenWrtDocs/Customizing/Hardware/JTAG_Cable
http://forum.opennas.info/viewtopic.php?t=188&highlight=ads
http://all6250.blogspot.com/
Load Firmware extensions To enable the Unicode and UPNP function for the device, you have to install the "ntx_libra.tgz" file to the device before any configuration. To install the file, 1. Insert the included CD and click the "Browse" button. Note: The Install Menu may auto run. Click "EXIT" to close it. 2. Select your CD-Rom drive. Select Firmware Extensions Gigabit SATA NAS with USB folder. Select the "ntx_libra.tgz" file and click "Open" to browse the file. 3. Click "Apply" to perform installation. 4. It takes a few seconds to perform installing, please wait upon installation.