- ProlificUSA
Contents
1. Device 00 F Vendor Desc Prolific Technology Inc Version 201 10217 Product Desc PL2775 USB3 0 RAID Enclosure PCB Revision 0000 Bead chp Serial Number 0123456789 000000001 Wi Exceed 10 Bytes Write configure amp FW Attributes Self Powered Load EEP save to EEP External Firmware and AutoRun ISO Filename Erase Chip Filename 20110217 Prolific_Generic_RAID_hex m Checksum BOBB E IS0 Filename B 5 The EEPROM Editor will then start to write the firmware and configuration settings Do not power off the device until the configuration is complete Click OK when finished and then reset the device power to activate the new firmware and configuration settings USB Descriptor Table E Vendor ID Product ID Vendor Desc USB Descriptor Table FW checksum BOBB Vendor ID 067B Found device to config Erasing chip Vendor Desc Programming amp Verify chip 1 Verify FW Product Desc Verify configure PCB Revision Config device pass Serial Number 012345 Attributes V Se Config device completely External Firmware and Filename 201102 Checksum BOBB C ISO Filename All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any los2. 500 GB disk and a 250 GB disk the total disk size will be 750 GB RAID 0 RAID 0 Mode Striped Volume Striped Requires 2 SATA Drives to work Splits data evenly across two disks striped for increased performance No data recovery If one of the drives fails all data is lost lf one of the drives has a smaller capacity the total array size will be based on the smaller capacity multiplied by 2 For example if a 120 GB disk is striped together with a 100 GB disk the size of the array will be 200 GB RAID 1 RAID 1 Mode Mirrored Volume Mirror Requires 2 SATA Drives to work Creates an exact copy or mirror of data and partition on two disks Total array size can only be as big as the smallest capacity drive For example if you connect a 120 GB disk and a 100 GB disk the size of the array will only be 100 GB Automatic data recovery if one of the drives fails and replaced with new drive The new disk where the data to be recovered must be equal or greater than other disk otherwise recovery is not possible NOTE After you have set the mode switch to your desired mode configuration you will need to power off and power on the PL2775 demo board again while holding the RAID Switch Mode Button P1_7 for more than 3 seconds Afterwards you will also need to repartition the drives to work properly All data is lost after you switch to a different mode configuration If you did not press the switch mode button the PL2775 demo board
3. Port jia PCI Express standard Root Port a 7 Renesas Electronics USB 3 0 Host Controller 4 Renesas Electronics USB 3 0 Root Hub 4 USB Mass Storage Device aa Hitachi HDS7230350A4LA640 USB Device a PCI standard host CPU bridge Prolific Technology Inc 9of 15 March 7 2011 All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage Prolific TECHNOLOGY FOR TOMORROW PL2775 Application Note Document Rev 1 0 an_PL2775 User Manual 20110307 4 Go to Windows Disk Management Tool and repartition the concatenated disks The total disk size of the disk is the sum of both disk capacities iDisk 1 E Basic BIG 5TB G 4657 41 GB 4657 41 GB NTFS Online Healthy Primary Partition File View Help plell allil r Drive len y Force Write Access V Direct 1 0 ze 40 leimo e 1 0 Compari Transfer Size 40 to 8192 0 KB G kam TotalLength 256MB v C Neither Queue Depth 4 Controlled by lt lt Description gt gt Test Results Write Read 16658 26360 34471 50319 62713 81655 111521 131657 141078 140421 140029 142115 142173 142681 142029 142784 142280 142784 142280 142532 142029 142532 141779 143038 60 80 100 120 140 16
4. Renesas Electronics USB 3 0 Host Controller 7 a Renesas Electronics USB 3 0 Root Hub a g USB Mass Storage Device sn coq Hitachi HD5723030ALA640 USB Device Ea 37320006 41 45 USB Device 4 Goto Windows Disk Management Tool and repartition both disks Each drive should be mapped to a different logical volume iDisk 1 eae eee Basic JBOD 1 G 2794 39 GE 2794 39 GE NTFS Online Healthy Primary Partition iDisk 2 Basic JBOD 2 H 1862 89 GB 1862 89 GB NTFS Online Healthy Primary Partition Prolific Technology Inc 7of 15 March 7 2011 All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage Prolific TECHNOLOGY FOR TOMORROW File View Help MACELARI Drive g Force Write Access Transfer Size 4 0 to 8192 0 KE Total Length 256 MB I Direct 1 0 140 Comparison Overlapped 1 0 Neither Queue Depth 4 v Controlled by lt lt Description gt gt Test Results Wie Read mamm Write Read 19456 30191 39009 57058 75796 96266 1131493 142077 141410 142750 141813 142722 142681 142936 142532 143292 142784 143292 142280 143548 142532 143038 142532 143292 60 80 100 1
5. will still remain in its last state mode All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage o B Prolific PL2775 Application Note TECHNOLOGY FOR TOMORROW an P E a RAID Switch Mode amp Backup Button P1_7 No Features Desefiptons O RAID Switch Mode This button allows user to switch between JBOD BIG GPIO P1_7 RAIDO RAID1 mode configuration Press down button for more than 3 seconds when power on PL2775 demo board Check RAID Status Indicator P1_0 LED if flash 3 times to indicate mode switch successful If LED is ON it means there is an error and you need to check the RAID switch mode jumper settings and attached hard drives You will need to repartition the drive after every mode switch Prolific Backup This button also serves as a trigger button for the Prolific GPIO P1_7 Backup software installed on the PC while the PL2775 device is attached Simply plug the PL2775 to the USB port of the PC and press the button to activate the Prolific Backup software installed on the PC Updating the PL2775 Firmware You will first need to install the Prolific Storage MFG Kit EEPROM Editor program to your computer Follow the steps below a
6. 0 180 200 Transfer Rate MB Sec For Help press F1 BIG Mode HDD Performance USB3 Host Under PCle GEN2 Interface NOTE gt You must use two hard drives with same sector size type 512 byte or 4K byte sectors Do not use one drive with 512 byte sector and another drive with 4K byte sector You can use a third party software like HDTune Pro to read the sector size of the hard drives Prolific Technology Inc 10 of 15 March 7 2011 All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage aep PL2775 Application Note Prolific iepa Rev 1 0 SASAS eS tn arene an_PL2775 User Manual 20110307 Working under RAIDO Mode Striped Under RAIDO Mode it is required that you attach two physical SATA Hard Drives to the PL2775 demo board Otherwise P1_0 LED will turn ON to indicate an error and your computer will not detect the PL2775 device To work under RAIDO Mode configuration follow the steps below 1 First set the mode switch P3_4 1 and P3_5 0 to RAIDO mode A e RAID 0 RAID 0 Mode Striped Volume Striped Requires 2 SATA Drives to work Splits data evenly across two disks striped for increased performance No data recovery If one of the drives fa
7. 20 140 160 180 200 Transfer Rate MB 7 Sec For Help press F1 PL2775 Application Note File View Help an_PL2775 User Manual 20110307 Document Rev 1 0 plell akt Drive h Force Write Access Transfer Size 0 5 to 8192 0 Total Length 256 MB v KB Controlled by lt lt Description gt gt MV Direct 1 0 140 Comparison Overlapped 1 0 Neither Queue Depth 4 v Test Results wie m 60 80 Transfer Rate MB 7 Sec For Help press F1 write Read 3890 399 7780 7799 14948 15207 28109 29401 51200 49951 81855 83617 117984 117964 142750 144809 142115 144264 143707 143966 143292 144061 143548 143804 141281 144320 141281 144839 142532 144320 100 120 140 160 180 200 JBOD HDD Performance USB3 Host Under PCle GEN2 Interface Prolific Technology Inc 8 of 15 March 7 2011 All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage b afon PL2775 Application Note Prolific iepa Rev 1 0 SASAS eS tn arene an_PL2775 User Manual 20110307 Working under BIG Mode Under BIG Mode it is required that you attach two physical SATA Hard Drives to the PL2775 demo board Otherwise
8. 75 Application Note Prolific P emon Rev 1 0 SASAE eee ener an_PL2775 User Manual 20110307 Go to Windows Disk Management Tool and repartition the array disks Total array size can only be as big as the smallest capacity drive from the two drives attached iDisk 1 e Basic RAID1 G 1863 01 GB 1863 01 GB NTFS Online Healthy Primary Partition Untitled ATTO Disk Benchmark File View Help HAREE kiki Drive g Force Write Access i Direct 1 0 Transfer Size 05 wltolsi9zo0 KB 140 Comparison Overlapped 1 0 Total Length 256 ME t Neither Queue Depth 4 Controlled by lt Description gt gt Test Results Vb Mead mamm write Read 2138 3513 4308 oO 0349 15263 18294 28901 Jraz5 14613 cegH o 90552 105433 138598 138603 138803 1ag577 139154 1396867 139444 139567 139567 139055 139567 139326 139326 139567 139326 139567 139567 e0 g0 100 120 140 160 180 200 Transter Rate ME Sec RAID1 Mode HDD Performance USB3 Host Under PCle GEN2 Interface 5 RAID1 Mode offers automatic data recovery feature whenever one SATA drive fails while USB is connected to the computer Note the following recovery steps 1 Observe if RAID Status Indicator P1_0 LED is ON and either SATA1 P3_0 or SATA2 P3_1 LED is OFF This could mean one of the SATA drives is damaged You can also use Prolific RAID Manager software to check the health status of both SATA drives 2 While the PL2775
9. JBOD BIG RAIDO and RAID1 mode is successful gt This LED is flashing along with P3_0 and P3_1 when RAID1 recovery is running gt This LED will turn ON if there is an error in switch mode configuration or RAID1 recovery fails See RAID1 section USB 3 0 LED Indicator This LED will turn ON if PL2775 device is detected in USB GPIO P1_5 3 0 mode Otherwise this LED is OFF All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage 9 55 PL2775 Application Note Prolific P ccument Rev 1 0 acer aig ener an_PL2775 User Manual 20110307 RAID Switch Mode Settings In order to switch between different mode configurations you need to set the P3_4 and P3_5 switch as follows A LA hn JBOD Mode Just a Bunch of Drives Can support 1 or 2 SATA Drives Each physical SATA Drive is independently addressed with all the logical partitions each may contain being mapped to a different logical volume BIG Mode Concatenation or spanning of disks Requires 2 SATA Drives to work Both SATA Drives are concatenated and presented as a single disk Disks are merely concatenated together end to beginning so they appear to be a single large disk For example if you connect a
10. P1_0 LED will turn ON to indicate an error and your computer will not detect the PL2775 device To work under BIG Mode configuration follow the steps below 1 First set the mode switch P3_4 0 and P3_5 1 to BIG mode Mode P34 P35 Descriptions BIG 1 BIG Mode Concatenation or spanning of disks Requires 2 SATA Drives to work Both SATA Drives are concatenated and presented as a single disk Disks are merely concatenated together end to beginning so they appear to be a single large disk For example if you connect a 500 GB disk and a 250 GB disk the total disk size will be 750 GB 2 Connect the PL2775 demo board into the PC USB 3 0 port Turn ON the power of the PL2775 demo board while holding down the P1_7 button for more than 3 seconds Observe the P1_0 LED will flash 3 times to indicate switch mode was successful Also observe P3_0 and P3_1 LED should turn ON to indicate the SATA hard drives were detected 3 Goto Device Manager View By Connection under USB 3 0 Host Controller and your computer will detect one USB Mass Storage Device PL2775 with only one SATA hard drive This is normal for BIG mode and will only show the SATA hard drive model name attached to the SATA1 connector 4M PCI bus gt Gg AMD SATA Controller fit ATIVO Communications Processor PCI Bus Controller ia ATIVO Communications Processor SMBus Controller PC Express standard Root Port PCI Express standard Root Port jia PCI Express standard Root
11. aep PL2775 Application Note Prolific P emon Rev 1 0 SASAE aig ener an_PL2775 User Manual 20110307 S Application Note PL2775 USB 3 0 to Dual SATA Bridge Controller User Manual JBOD BIG RAIDO RAID1 Mode Features Introduction The PL2775 is a low power single chip SuperSpeed USB 3 0 to Dual SATA II compliant bridge IC controller specially designed for external USB 3 0 dual port RAID and non RAID applications It supports RAID 0 striping and RAID 1 mirroring as well as JBOD Just a Bunch of Disks and BIG single logical disk mode configurations SuperSpeed USB has data transfer bandwidth of up to 5Gbps offering 10X performance increase over Hi Speed USB 480Mbps lt Prolific PL2775 a PL2775 JBOD BIG RAIDO RAID1 Mode Application gt High Performance USB 3 0 to Dual SATA Storage Bridge Controller User Switchable RAIDO striping RAID1 mirroring JBOD Just a Bunch of Disks and BIG mode configuration Supports different capacity hard drives USB 3 0 Specification and USB 2 0 Specification Compliant USB IF SuperSpeed Logo Certified TID No 340740018 Serial ATA Revision 3 0 Specification Compliant v Supports over 2TB and 4KB sector Hard Drives Y VV V WV Firmware update Vendor Product ID and other related configuration information can be programmed to external Serial EEPROM or SPI serial flash through USB interface Evaluation demo boards PCB reference schematic firmware a
12. by first powering off the PL2775 demo board the RAID1 function will not work properly unless you repartition the new RAID disk configuration The PL2775 firmware also does not support RAID data recovery while disconnected from the computer NOTES gt You must use two hard drives with same sector size type 512 byte or 4K byte sectors Do not use one drive with 512 byte sector and another drive with 4K byte sector You can use third party software like HDTune Pro to read the sector size of the hard drives gt Itis important that you do not power off the PL2775 demo board or let the computer go to sleep hibernate while RAID1 data recovery is running It is also best that you do not do any read write on the PL2775 SATA drive during data recovery All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage
13. demo board is still connected to the PC and powered on replace the damaged SATA drive with a new one It is important that the PL2775 demo board is still All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage afon PL2775 Application Note Prolific iepa Rev 1 0 SASAS etn arene an_PL2775 User Manual 20110307 powered on and detected by the PC when you replace the damaged drive It is also important that the new SATA drive must be equal or greater than the size of the other working drive Do not attempt to power off or unplug the USB cable when doing RAID data recovery 3 When you attached a new SATA drive automatic recovery will begin Observe that the RAID Status Indicator will start to flash as well as the SATA1 P3_0 and SATA2 P3_1 LEDs RAID1 recovery will take several hours to complete as it will mirror the entire partition of the other drive IMPORTANT To do a RAID recovery on a new hard drive you will need to replace the drive while the PL27 75 demo board is still powered on and also connected to the computer It is required that the new hard drive capacity should be equal or greater than the other hard drive If you attempt to replace a new hard drive
14. e 3 Browse to where the PL2775 RAID SDT file is located You will need to first set the file type to EEProm Data file sdt in order to see the SDT file Click Open to load the SDT file Look in di Automimor Firmware T i Er bi ig Name i Date modified Type rir C PL2775_ RAID sdt 3011 1 17 5 25PM SDT File Recent Places Desktop SSS A Computer 4 mn t Network Files of type l Open as read only Prolific Technology Inc 5of15 March 7 2011 All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage aep PL2775 Application Note Prolific iepa Rev 1 0 PAS a an_PL2775_User Manual 20110307 Click on External Firmware Filename box to browse for the PL2775 firmware hex file Browse to the folder where the PL2775 firmware hex file is located and click Open to load the firmware hex file After loading the firmware hex file you can also choose to configure the USB Descriptor Table according to your product description If all configuration settings are done click on Write configure amp FW button to start the update ee EEPROM Editor Prolific USB Descriptor Table Firmware Information Vendor ID 067B Product ID 2775
15. fter you have installed the software 1 Plug the PL2775 device to the USB port and run the Prolific Storage MFG Kit program and click on the EEP ROM Edit button E Vendor ID Product ID Vendor Desc Froduct Desc PCB Revision Senal Number Attributes External Firmware Information Filename C Fi ac k SUFE Config EEF ROM Edit Load All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage PL2775 Application Note 6 me Prolific Document Rev 1 0 acne eee ener an_PL2775 User Manual 20110307 Make sure the device drive is detected before you can write the configuration Click the Load EEP button first to load the PL2775 RAID SDT configuration file EEPROM Editor Prolific ttt ttt i E N USB Descriptor Table Firmware Information Vendor ID 067B Product ID 2775 Device 00 F Vendor Desc Prolific Technology Inc Version 20110217 Product Desc ATAPI 6 Bridge Controller Read chi PCB Revision 0000 tl Serial Number 0123456789 000000001 I Exceed 10 Bytes Write configure amp FW Attributes Self Powered Load EEP Save to EEP External Firmware and AutoRun ISO Filename Erase Chip O Filename Checksum 1 1SO Filenam
16. ils all data is lost If one of the drives has a smaller capacity the total array size will be based on the smaller capacity multiplied by 2 For example if a 120 GB disk is striped together with a 100 GB disk the size of the array will be 200 GB 2 Connect the PL2775 demo board into the PC USB 3 0 port Turn ON the power of the PL2775 demo board while holding down the P1_7 button for more than 3 seconds Observe the P1_0 LED will flash 3 times to indicate switch mode was successful Also observe P3_0 and P3 1 LED should turn ON to indicate the SATA hard drives were detected 3 Goto Device Manager View By Connection under USB 3 0 Host Controller and your computer will detect one USB Mass Storage Device PL2775 with only one SATA hard drive This is normal for RAIDO mode and will only show the SATA hard drive model name attached to the SATA1 connector 4M PCI bus ca AMD SATA Controller jii ATIVO Communications Processor PCI Bus Controller dt li ATIVO Communications Processor SMBus Controller jia PCI Express standard Root Port jia PCI Express standard Root Port jia PCI Express standard Root Port jia PCI Express standard Root Port Renesas Electronics USB 3 0 Host Controller d Renesas Electronics USB 3 0 Root Hub ae g USE Mass Storage Device yo Hitachi HDS725030ALA640 USB Device PCI standard host CPU bridge Prolific Technology Inc 11 of 15 March 7 2011 All the information in this document is deemed to be co
17. m 7610 RAI Y No 00 Re i 2 l Zon Sm P3LA P35 am C56 aapt X i A ULA a 3 Oh ee fat hls WRI B ne yams ii D C3 wie PSODL DSEDE 2320i P3301 a pu ia UELS x m 5 t x i RE en e elel oes i u seas a8 Gy RSS d k TURER ORGS eR She mica ft E i a site c58 piopi e C e y gt lt r ite 31 E RIT m om r am Toa ARR PHRI PESDITSS2HS Flr esi c53 PSOH DATA ACCESS Gi c45 _ J mE ig E sis PL2775 Demo Board T PL2779 Ueno Doar t Q Ley _ p g IRE ut 6 20202001 senessassaconsen 5 mS A Prolific T Ru RISES x OO e ol 3 sa Su 9 TO ASEN Wi wy FR Q MATTTTY e Technology f OE p ca Be See CI va w be amp amp a S r i 5 eat ees pea E wet SRS SS E R el p lt 2 MEULI PPTITTTT 1111 se cS E SA a S b i EK o YESS WSF T gt eevee 3 AMES N T RAID Switch Mode Button Power SATA Device Power LED amp Backup Button SATA _CN1 SATA_CN2 PL2775 Demo Board LED Indicators and LED Behavior No Features Descriptions GPIO P3_0 gt LED flashes when PC is accessing SATA1 HDD SATA2 HDD LED gt LED will turn ON when PC detects SATA2 HDD GPIO P3_1 gt LED flashes when PC is accessing SATA2 HDD gt For BIG mode this LED will only flash when SATA1 HDD is full or data is read write from SATA2 HDD RAID Status Indicator gt This LED will flash 3 times 2Hz when switching between GPIO P1_0
18. nd software tools are all provided by Prolific for designing this application product You can contact Prolific Sales or FAE for support Getting Started This User Manual provides step by step installation and operating procedures on how to use the PL2775 USB 3 0 to Dual SATA enclosure You would need the following e PL2775 Enclosure for this manual we will be using Prolific demo board e PL27 5 Firmware File and RAID SDT File e Prolific Storage MFG Kit Tool Software for updating firmware e Two SATA Hard Drives for RAID function it is recommended to use two identical drives Prolific Technology Inc 1of 15 March 7 2011 All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage 6 me i s PL2775 Application Note Prolific PE A Rev 1 0 MA a an_PL2775_User Manual 20110307 S PL2775 Demo Board Note the following PL2775 Demo Board connectors button jumpers and LED locations Please contact Prolific Sales or FAE for this demo board RAID Switch Mode Jumper USB 3 0 Indicator P1_5 P3_4 amp P3_5 RAID Status Indicator DC Jack P1_0 Sa Power Switch HDD Access LED USB Fort P3_0 amp P3_1 5 7 SS Jenne by m Vb t tMg a i RARE Sale ae m
19. recovery is not possible 2 Connect the PL2775 demo board into the PC USB 3 0 port Turn ON the power of the PL2775 demo board while holding down the P1_7 button for more than 3 seconds Observe the P1_0 LED will flash 3 times to indicate switch mode was successful Also observe P3_0 and P3 1 LED should turn ON to indicate the SATA hard drives were detected 3 Goto Device Manager View By Connection under USB 3 0 Host Controller and your computer will detect one USB Mass Storage Device PL2775 with only one SATA hard drive This is normal for RAID1 mode and will only show the SATA hard drive model name attached to the SATA1 connector 4M PCI bus gj AMD SATA Controller ia ATIVO Communications Processor PCI Bus Controller ia ATIVO Communications Processor SMBus Controller PC Express standard Root Port PCI Express standard Root Port jia PCI Express standard Root Port PCI Express standard Root Port Renesas Electronics USB 3 0 Host Controller i Renesas Electronics USB 3 0 Root Hub a F USB Mass Storage Device 3 ca Hitachi HDS 23030ALA640 USB Device a PCI standard host CPU bridg All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage aep PL27
20. rrect but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage aep PL2775 Application Note Prolific P emon Rev 1 0 SASAE aig ener an_PL2775 User Manual 20110307 4 Go to Windows Disk Management Tool and repartition the array disks The total size of the RAIDO disk is based on the smaller capacity multiplied by 2 CalDisk 1 ggg ay Basic RAIDO G 3125 51 GB 3725 91 GE NTFS Online Healthy Primary Partition Untitled ATTO Disk File View Help Da ca ed alk T Drive g Force Write Access W Direct 1 0 e f 1 0 Comparison Transfer Size 40 tolei920 KB Bn a a Overlapped 1 0 Total Length 256 ME t Neither Queue Depth 4 Controlled by lt Description gt gt Test Results Vit Wa ibe Read 21978 25045 41959 46545 75977 63264 119954 133883 152498 183369 153550 183260 154249 186250 ass 154273 184280 oe 154273 192609 154569 182196 153684 192196 E0 60 100 120 140 160 180 200 Transfer Rate MB Sec For Help press F1 CAP NUM RAIDO Mode HDD Performance USB3 Host Under PCle GEN2 Interface WARNING If one drive fails or damages all data stored will be lost NOTE gt You must use two hard drives with same sector size type 512 byte or 4K byte sectors Do not use one dri
21. s of profit or any other commercial damage afon PL2775 Application Note Prolific iepa Rev 1 0 PASASE a an_PL2775 User Manual 20110307 Working under JBOD Mode Under JBOD Mode you can attach either one or two physical SATA Hard Drives to the PL2775 demo board To work under JBOD Mode configuration follow the steps below 1 First set the mode switch P3_4 1 and P3_5 1 to JBOD mode Mode P34 P35 Descriptions JBOD 1 1 JBOD Mode Just a Bunch of Drives Can support 1 or 2 SATA Drives Each physical SATA Drive is independently addressed with all the logical partitions each may contain being mapped to a different logical volume 2 Connect the PL2775 demo board into the PC USB 3 0 port Turn ON the power of the PL2775 demo board while holding down the P1_7 button for more than 3 seconds Observe the P1_0 LED will flash 3 times to indicate switch mode was successful Also observe P3_0 and P3 1 LED should turn ON to indicate the SATA hard drives were detected 3 Goto Device Manager View By Connection under USB 3 0 Host Controller and your computer will detect one USB Mass Storage Device PL2775 with two SATA hard drives a Mi PCI bus gt Ca AMD SATA Controller ia ATIVO Communications Processor PCI Bus Controller gill ATIVO Communications Processor SMBus Controller PC Express standard Root Port PCI Express standard Root Port PCI Express standard Root Port jka PCI Express standard Root Port d
22. ve with 512 byte sector and another drive with 4K byte sector You can use third party software like HDTune Pro to read the sector size of the hard drives All the information in this document is deemed to be correct but is subject to change without prior notice Prolific Technology Inc does not make any warranties implied or otherwise regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage Se D PL2775 Application Note Oo Prolific a aaah Rev 1 0 nt en eee an_PL2775_User Manual 20110307 Working under RAID1 Mode Mirror Under RAID1 Mode it is required that you attach two physical SATA Hard Drives to the PL2775 demo board Otherwise P1_0 LED will turn ON to indicate an error and your computer will not detect the PL2775 device To work under RAID1 Mode configuration follow the steps below 1 First set the mode switch P3_4 0 and P3_5 0 to RAID1 mode O ae RAID 1 Mode Mirrored Volume Mirror Requires 2 SATA Drives to work Creates an exact copy or mirror of data and partition on two disks Total array size can only be as big as the smallest capacity drive For example if you connect a 120 GB disk and a 100 GB disk the size of the array will only be 100 GB Automatic data recovery if one of the drives fails and replaced with new drive The new disk where the data to be recovered must be equal or greater than other disk otherwise
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