TODAY:

1/23/2017 new driver models for direct download:1023
LOGIN
Pretec U2h256 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Pretec U2h256
Certifications for Pretec U2h256
5 stars for Pretec U2h256 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 1/23/2017 Updates

All drivers on semantic.gs are updated on daily basis.

However, a new version of Pretec U2h256 might have been uploaded since our last site update.

Pretec U2h256 Driver Download

Windows Compatibility for Pretec U2h256 driver

Pretec U2h256 Driver Details:

Pretec U2h256 File Name: pretec_u2h256.zip

Pretec U2h256 Driver Version: 93IFGYME

Pretec U2h256 ZIP Size: 124.kb

Manufacturer: Pretec

Pretec U2h256 was fully scanned at: 1/18/2017
Scan Status: driver download scanOK

Pretec U2h256 special revision for: Windows 8 Pro 32 bit, Windows 7 Service Pack 1 (Microsoft Windows NT) 32 bit, Windows XP Home Edition, for home desktops and laptops 32 bit, Windows Vista Ultimate 32 bit, Windows Vista Home Premium 32 bit, Windows XP Media Center Edition 2004 64 bit, Windows XP Professional 32 bit, Windows XP Media Center Edition 64 bit, Windows Vista Starter 32 bit, Windows XP Home Edition N 64 bit, Windows 10 32 bit, Windows XP 64-bit Edition 32 bit, Windows XP Tablet PC Edition 64 bit

Pretec U2h256 Download Stats:

Driver Uploaded: 1/6/2017

Direct Downloads: 311
Most Recent Download: 1/21/2017
Managed Downloads: 5718
Most Recent Download: 1/21/2017
Download Mirrors: 3
Current Delay: 26 Seconds
Driver License: FS {free software}

Direct Download Success Stats:

Reports Issued By 282/311 Users

Success Reported By 28/282 Users

Driver Download Score66/100

Driver Installation Score68/100

Overall preformance Score72/100

Pretec U2h256 2 Thumbs Up2Thumbs
Up
Pretec U2h256 0 Thumbs Down0Thumbs
Down
Pretec U2h256 driver direct download was reported as adequate by a large percentage of our reporters, so it should be good to download and install.

Installation Manager Success Stats:

Reports Issued By 5406/5718 Users

Success Reported By 4518/5406 Users

Driver Download Score94/100

Driver Installation Score77/100

Overall preformance Score98/100

Pretec U2h256 4434 Thumbs Up4434Thumbs
Up
Pretec U2h256 252 Thumbs Down252Thumbs
Down
Pretec U2h256 driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.

DOWNLOAD OPTIONS:

1. Direct Download

Select your OS and press "Download".

This option requires basic OS understanding.
Select Your Operating System, download zipped files, and then proceed to
manually install them.
Recommended if Pretec U2h256 is the only driver on your PC you wish to update.

 

2. Driver Installation Manager

This option requires no OS understanding.
Automatically scans your PC for the specific required version of Pretec U2h256 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Pretec U2h256, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

Don’t have a password?
Please register, and get one.
/100
/100
/100
captcha

Pretec U2h256 may sometimes be at fault for other drivers ceasing to function

These are the driver scans of 2 of our recent wiki members*

*Scans were performed on computers suffering from Pretec U2h256 disfunctions.

Scan performed on 1/23/2017, Computer: Sony VGN-SZ71XN_C

Outdated or Corrupted drivers:8/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
Intel(R) Xeon(R)-Prozessor (E5-Produktfamilie)/Core i7 - Unicastregister 0 - 3CE8Up To Date and Functioning
Mice And Touchpads
Microsoft Microsoft USB Basic Optical Mouse (IntelliPoint)Up To Date and Functioning
VMware HID-compliant mouseUp To Date and Functioning
Usb Devices
NEC NEC Electronics USB 3.0 Host ControllerCorrupted By Pretec U2h256
NEC Standard erweiterter PCI-zu-USB universeller HostcontrollerUp To Date and Functioning
Initio HLDS USB DVD Storage DeviceUp To Date and Functioning
Sound Cards And Media Devices
IC Plus Unimodem Half-Duplex Audio DeviceCorrupted By Pretec U2h256
ESS ESS Maestro2E PCI AudioDrive (WDM)Up To Date and Functioning
Network Cards
Intel(R) Centrino(R) Wireless-N 2230Corrupted By Pretec U2h256
Keyboards
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
VIA Standard Dual Channel PCI IDE ControllerCorrupted By Pretec U2h256
Others
ULi Intel(R) 82801DB/DBM USB 2.0 forbedret vertskontroller - 24CDUp To Date and Functioning
Texas Instruments Texas Instruments PCI-4510 CardBus ControllerUp To Date and Functioning
Moxa UPort 1150Up To Date and Functioning
EPSON EPSON USB PrinterUp To Date and Functioning
Acronis Seagate DiscWizard Image Backup Archive ExplorerUp To Date and Functioning
Cameras, Webcams And Scanners
Sonix USB Video DeviceCorrupted By Pretec U2h256
Video Cards
ATI RADEON X600 Series (Microsoft Corporation - WDDM)Up To Date and Functioning
Input Devices
Lenovo Lenovo USB Optical Wheel Mouse (HID)Up To Date and Functioning
Port Devices
D-Link MT65xx PreloaderCorrupted By Pretec U2h256
Monitors
Sony Digital Flat Panel (1024x768)Corrupted By Pretec U2h256
Mobile Phones And Portable Devices
Acer NOKIACorrupted By Pretec U2h256

Scan performed on 1/23/2017, Computer: NEC PC-VJ22ERNTHGLB

Outdated or Corrupted drivers:9/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
Intel(R) Z77 Express Chipset LPC Controller - 1E44Up To Date and Functioning
Mice And Touchpads
Microsoft Logitech USB Wheel MouseCorrupted By Pretec U2h256
ELECOM HID mouseUp To Date and Functioning
Usb Devices
Apple Apple Recovery (DFU) USB DriverOutdated
Sound Cards And Media Devices
NVIDIA NVIDIA GeForce GT 540M (Microsoft Corporation - WDDM v1.2)Up To Date and Functioning
AnalogDevices SoundMAX Integrated Digital HD AudioUp To Date and Functioning
Hauppauge Hauppauge WinTV HVR-1200 (Model 71xxx, Hybrid DVB-T, No FP)Outdated
Network Cards
Realtek Realtek RTL8168B/8111B-Familie-PCI-E-Gigabit-Ethernet-NIC (NDIS 6.20)Up To Date and Functioning
Keyboards
Microsoft Keyboard Device FilterOutdated
Hard Disk Controller
Intel Intel(r) 82801BA Bus Master IDE ControllerUp To Date and Functioning
Others
Nokia Nokia C6-00 USB Phone ParentOutdated
Intel Intel(r) AIM External Flat Panel Driver 7Up To Date and Functioning
Western Digital My Net N900 Router StorageOutdated
AuthenTec AuthenTec AES3500 TruePrint SensorUp To Date and Functioning
Intel Intel(r) AIM External TV Encoder Driver 5Outdated
Intel Intel(r) AIM External Flat Panel Driver 3Outdated
Cameras, Webcams And Scanners
Microsoft USB Video DeviceOutdated
Video Cards
Intel(R) HD GraphicsUp To Date and Functioning
Input Devices
KME USB Human Interface DeviceUp To Date and Functioning
Port Devices
Sony Ericsson Sony Ericsson 750 USB WMC OBEX Interface (COM6)Up To Date and Functioning
Monitors
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Pretec U2h256 2222.111/23/201412/30/2016ttwdarx-2222.1.exe67kbLenovo ThinkCentre M58p, Fujitsu FMVNFC60BJ, WIPRO WSG68B55W7-0009, National NI PXI-8106 Embedded Controlle, IBM ThinkPad R50e, HP Pavilion dv2000, NEC PC-LL750FS1SR, Lenovo ThinkPad Edge 15, HP GB342AA-AB0 a6086tw, IBM 26478RG, IBM 8113WSU, NEC PC-LL750FS1SR, Toshiba Dynabook MX/33KRD, Compaq Presario 2700EA 470024-565, and more.
Pretec U2h256 B44712/23/201412/29/2016pretec_u2h256-b447.exe110kbIBM 8185NUZ, IBM 2672EU1, Fujitsu FMVNX95SD, Fujitsu FMVD7BF010, HP HP Pavilion dv7 Noteblook PC, SAMSUN 305U1A/305U1A, PCSMART PTI1010, Gateway DX4710-UB801A, Sony VGN-NW230G, Gateway MX8734, Biostar TA960, Gigabyte GA-6FASV1, HP NM920AA-ABU m9639uk, HP HPE-350es, and more.
Pretec U2h256 1.10029/18/201412/29/2016pretec_u2h256-1.1002.exe217kbIBYTE Udp gn naxos-i1l, HP HP EliteBook 6930p, Packard Bell Easynote Butterfly, Panasonic CF-52JE203NW, Fujitsu LIFEBOOK E8310, NEC VERSAE6300 RNF91086795, NEC PC-VJ27MBZDG, Dell PowerEdge C8220, Lenovo 6066W8R, Sony PCG-Z1WAMP, Medion E3211, LG LS50-UG5F1, Dell OptiPlex GX1 600L, KONTRON 886LCD-M/Flex, Sony VGN-FE52B_H, and more.
Pretec U2h256 O732.14412/24/201412/30/2016pretec_u2h256-o732.144.exe92kbNEC PC-MY18XAZ7HM95, NEC PC-LS350LS1YG, NEC PC-VY25AAZR7, HP 3082, IBM 23741U9, MCJ Z37S, Compaq GC662AA-ABA SR5113WM, AT ALSEN PROFI 41G, Lenovo ThinkPad SL400, IBM 2672CBJ, Acer AS5732Z, and more.
Pretec U2h256 61.171.1912/18/201412/30/2016pretec_u2h256-61.171.19.exe79kbI-MOBILE TPC-2A, HP RR455AA-ABF t3727.f, Dedicated OEM-A4501-00, Compaq DA234A-ABA 6400nx NA910, IBM 621936U, LG LS50-UG5F1, IBM 26523CU, Cybernet Manufacturing DeskBook, HP WK697AA-ABD p6329de, Lenovo ThinkPad Twist S230u, Lenovo 10AJ0002GE, Lenovo 7665VEH, ASUS BM5275, CASPER CASPERPRO, Gateway E-9520T, HP FQ641AA-AC4 s3715b, Sony VGC-JS94FS, PCSMART PTI1010, and more.
Pretec U2h256 31.148810/17/201412/30/2016pretec_u2h256-31.1488.exe189kbNEC PC-MY28AAZ75, HP S5-1028hk, Lenovo 7665VEH, SAMSUN 400B4Z/S01TH, Fujitsu FMVXDXF74, Lenovo 20B00006UK, Acer Aspire AG3731, Acer Extensa 7230, Toshiba Dynabook SS LX/190DK, HP PY056AA-ABF w5077.f, VIA KM400/A-823x, Toshiba SP600, Sony VGN-NS11SR_S, IBM Eserver xSeries 335 -[8676LSX, HP P7-1090be, and more.
Pretec U2h256 800282/8/201512/28/2016pretec_u2h256-80028.exe189kbPackard Bell ISTART 1379, HP HP EliteBook 8530p, Datateknik EXPER, HP Pavilion dv6000, HP GB342AA-AB0 a6086tw, Sony VGN-FZ32G, LG R580-U.ARC3BT, HP BK175AA-ABA HPE-270f, Packard Bell IXTREME I7709B, Toshiba Satellite C850-B820, Lenovo ThinkCentre Edge 72, Lenovo 73952GL, Toshiba Dynabook T552/58HKD, Sony VGN-Z21WN_B, and more.
Pretec U2h256 392.1011/1/201412/29/2016pretec_u2h256-392.10.exe137kbHP NF369AA-ARL IQ522pl, IBM ThinkPad T21, Sony VGN-A290, MouseComputer H87M-S01, LG R580-UAAD6BT, NEC PC-VJ20ERZE1, EMachines EME725, HP PG129AA-UUZ t640.ch, Panasonic CF-H2ASAHEDE, HP PX568AA-ABY t3040.dk, Lenovo ThinkCentre M77, NEC PC-MY18XEZ77, Sony PCG-FXA35/D, HP FK558AAR-ABA a6604f, IBM 8307D3U, Sony VGN-NS160D, Sony VGN-UX71, Seneca PRO102698, HP RZ438AA-UUW s3040.sc, and more.
Pretec U2h256 707669/28/201412/27/2016ctvlr-70766.exe61kbAcer Aspire 1825, IBM 1847Y1Y, HP 810-150se, HP PX530AA-UUZ t3040.ch, HP ES131AA-UUZ t3415.ch, HP PN113AA-ABF t790.f, HP P6786l, IBM Eserver xSeries 335 -[8676LSX, Dell L550cx, Fujitsu FMV5NUBKH8, Epson AT970-KD2, HP Presario V2000, Sony VGNZ890G, Pegatron C17B, HP EG158AA-ABF m7171.f, HP M7640n-ABA m7640, Dell Vostro 3446, Lenovo ThinkPad Edge E320, and more.
Pretec U2h256 4272711/2/201412/29/2016pretec_u2h256-42727.exe24kbToshiba SATELLITE PRO L770-12P, IBM 8215EKU, Acer Aspire 8943, Sony VGN-FE21HR, Packard Bell IXMM5740, Sony VGN-NS110D, Packard Bell IMEDIA H7612, HP Compaq 610, Lenovo 20B00006MN, Sony VGN-SZ140, and more.
Pretec U2h256 C1.120972/6/201512/27/2016pretec_u2h256-c1.12097.exe75kbLG R710-S.AP55V, Hercules EC-900, HP HPE-355uk, HP C9700, IBM 2673CU6, Lenovo ThinkPad T510, Lenovo 3000 S200 Desktop, HP HP dx2700 MT, Sony VPCEL13FX, IBM 621932U, Lenovo ThinkCentre A61, NEC PB12V00106, MouseComputer H81H3-D, ASUS K84L, and more.
Pretec U2h256 4064611/6/201412/28/2016pretec_u2h256-40646.exe176kbBiostar TA960, Gigabyte GA-6FASV1, HP NM920AA-ABU m9639uk, HP HPE-350es, OEGStone DQ67OW, Sony SVF1521R2EW, IBM 2366GG4, Panasonic CF-52GCR42AG, HP PS294AA-ABZ t840.it, Fujitsu MS-6318, AnabelleB Argyle M292, Lenovo 6471EGR, Sony SVT1311EFYS, MIKROLOG S800SE-C6, Sony VGN-A195EP, IBM 8187SYU, HP RQ407AAR-ABA a1748x, LG E500-S.AP22R1, and more.
Pretec U2h256 C707498/27/201412/30/2016pretec_u2h256-c70749.exe73kbLenovo 20AVCTO1WW, HP HP Pavilion zt3000, LG LW70-JJKG, Gateway DX442S, Fujitsu FMVD94G041, Clevo P15xEMx, Lenovo 1S16800367700DD, Clevo W240BL_W250BZ_W270BZQ, WIPRO WNBOBM4901-0022, Compaq AU852AA-ABM CQ5216LA, Sony VGC-RB41P, Seneca Pro86308, HP DW225A-ABE t475.es, Compaq PX697AA-ABZ SR1419IT IT520, HP NQ893AA-ABU p6004uk, LG LS50-AC6U1, HP HP Pavilion g6-1b34ca, LG Z1-B821P1, and more.
Pretec U2h256 L1.1380212/10/201412/30/2016pretec_u2h256-l1.13802.exe106kbPackard Bell NC-ENLE11BZ-4508G1TMNKS, IBM System x3650 M2 -[7947K4G, IBM 2724NM0, IBM IBM System X3100 M4 -[2582K1G, Lenovo 6464WAM, Lenovo ThinkPad Edge E525, HP P6635c, IBM 8172QGW, HP RQ407AAR-ABA a1748x, NEC PC-MJ28VHZEJ, HP HP Compaq 6531s, Lenovo ThinkPad X130e, and more.
Pretec U2h256 431.12011/10/201412/30/2016zmhgyvzrc-431.120.exe143kbDell WN09, LG R1-CUP1E1, HP GN634AV-ABA a6210, Sony VPCEG1S1R, ELITEGROUP 330, Fujitsu FMVD707AY, Sony VGN-SZ390P, Sony VGN-TZ27FN, Acer Aspire X5900, NCR 7403-1010-8801, Fujitsu FMVNFB70RG, Fujitsu S6410C, HP HP ENVY17 NOTEBOOK, HP HP Compaq nc6400, Sony VGN-Z51MG_B, Acer TravelMate 3290, HP KP335AA-UUW m9253.sc, and more.
Pretec U2h256 S81.184910/26/201412/30/2016bomv-s81.1849.exe134kbDell Latitude 131L, HP GS184AA-AB0 a6240tw, System76 Leopard Extreme, HP Pavilion zd8000, NEC PC-VT5500D, Sony VPCY119FJ, Fujitsu FMVNA1C3C, Sony VGN-FE51B_H, HP HP Compaq 6710s, Toshiba SATELLITE L850-A891, Fujitsu M6VCG, Toshiba Satellite C850-F0044, Compaq NC760AA-AB4 SR5780AP, Sony 9906733-3100574, Packard Bell IMEDIA 6556, NEC NEC POWERMATE X8520, Sony VGNZ890G, and more.
Pretec U2h256 84062.110/16/201412/27/2016pretec_u2h256-84062.1.exe162kbFujitsu FMVNFD75R, Epson Endeavor MT8800, HP PN176AA-ABN t770.no, Advent DT1404, Medion MS-7667, Sony VPCF235FA, Packard Bell IMEDIA 9206, Fujitsu D2804-A1, Packard Bell IXTREME 6238, HP P2-1191d, and more.
Pretec U2h256 623398/30/201412/27/2016pretec_u2h256-62339.exe128kbToshiba SATELLITE C855-1QG, NEC PC-MT6005A, Fujitsu FMVCE70L9, Toshiba Dynabook C7212CMHN, HP FL210AA-ABV a6512.me, HP GQ498AAR-ABA m9047c, IBM 187263U, Fujitsu LifeBook T4310, DTK VistaPro 6250, IBM 8212H1U, Sony VGNFW463J/B, IBM 9210WLV, Toshiba SATELLITE C55-A-16Z, HP FK908AA-ABG a6640a, Panasonic CF-53JAWZYDE, HP FK558AAR-ABA a6604f, and more.
Pretec U2h256 3801.111/16/201412/29/2016q-3801.1.exe65kbCompaq GT701AA-ACJ SR5250IL, Supermicro X9DRW-3LN4F+/X9DRW-3TF+, Apple IMac8,1, HP HP Pavilion TS 14 Notebook PC, ASUS N81De, HP Presario V2000, Sony VGN-SZ32GP_B, Sony VPCF13RFX, AXIOO PICO DJV Model, Lenovo ThinkPad L530, HP HP Compaq dc7100 CMT, and more.
Pretec U2h256 2.10861.111/30/201412/28/2016pretec_u2h256-2.10861.1.exe128kbDell Vostro 5470, Sony VGN-CS15GN_B, Panasonic CF-53AAC01FT, Sony VPCF13NFX, HP KT439AA-AB4 a6545d, ASUS Rampage II Quad Core, NEC PC-MJ18XAZEZXS9, Panasonic FZ-G1AAHJXRM, Lenovo 2008WHV, NEC PC-VY16MRFJAFUX, and more.
Pretec U2h256 222822/13/201512/28/2016jta-22282.exe175kbHP H9-1236ef, NOVATECH A35FE/FB, Sony VGN-AR91PS, NEC PC-GV21YTZU6, LG G1-223YA2, Sony VGN-FW245J, Panasonic CF-T5MWJTFBF, Gateway MX6627, DTK VistaPro 6250, Dell Dimension 9100, Sony VPCCW2AFJ, Sony SVS13A15GDB, Sony VGN-FZ290FU, Lenovo ThinkCentre M58p, and more.
Pretec U2h256 424822/5/201512/29/2016pretec_u2h256-42482.exe178kbMedion E3211, LG LS50-UG5F1, Dell OptiPlex GX1 600L, KONTRON 886LCD-M/Flex, Sony VGN-FE52B_H, Acer Veriton5500G-B, Lenovo 1952T60, Fujitsu FMVNFD40, Sony VGN-BX94PS, Lenovo ThinkPad X60s, Lenovo ThinkPad Edge 13, Packard Bell Imedia I5800, Sony VGN-UX91S, and more.
Pretec U2h256 X71.1021.18/22/201412/30/2016pretec_u2h256-x71.1021.1.exe200kbGeneric Generic, Compaq AU852AA-ABM CQ5216LA, Toshiba Dynabook R732/E25HR, Sony VPCM126AA, NEC PC-LL750FS1SR, HP NY438AA-ABA p6115y, Lenovo 7359W4B, Compaq RK539AAR-ABA SR2173WM, Gateway FX6800, Lenovo 1952T60, HP VN465AA-UUW HPE-010sc, Lanix LANIX CORP 4130, IBM System x3200 M3 -[7328AC1, and more.
Pretec U2h256 2.10491.19/12/201412/28/2016pretec_u2h256-2.10491.1.exe57kbPackard Bell IMEDIA H7612, HP AV131AV-ABA e9105z, ELITEGROUP ECS G335, IBM 8305VBG, NEC RND61092195, HP WE166AA-ABU p6319uk, HP RZ412AA-ABZ a6020.it, HP HPE-420f, LG R590-XR7WK, IBM 2525AP5, Sony PCV-HS80B, Toshiba T20, Mecer X105, Compaq AY552AA-AB5 CQ3118HK, Fujitsu FMVNE5FD8, and more.
Pretec U2h256 2.11.17489/11/201412/27/2016pretec_u2h256-2.11.1748.exe202kbHP PS426AA-ABG m1299a, Panasonic CF-52RE301QW, HP 810-019eb, Sony SVT1113AJE, LG X130-G.A7B1E1, HP GS292AA-ABG a6150a, Sony VPCEB13FG, ARLT Computer Produkte Quattro Power Station GTX 560, Gigabyte EP43C-DS3, Sony VPCEB4E9R, Sony VGN-TZ27MN_B, Toshiba TECRA R10, Leading Edge LECB7400, ELITEGROUP 330, and more.
Pretec U2h256 21.167810/7/201412/27/2016pretec_u2h256-21.1678.exe203kbAcer TravelMate 5520, Toshiba Dynabook TX/77MBLK, HP H9-1168hk, Lenovo ThinkPad Edge E130, Compaq PE427A-ABU S7150UK GB420, Sony VGN-CR327_W, HP M8417c-ABA m8417c, HP HP EliteBook 8560p, Gateway 564GE, Panasonic CF-52JE203NW, Toshiba SATELLITE L850-A892, IBM 8123W8E, Sony VGN-CR21S_P, HP HP Compaq 6730b, Toshiba Satellite C850-B843, HP HP Pavilion tx1000 Notebook PC, and more.


Please Note: There are particular operating systems known to have problems with Pretec U2h256:
  • Windows Fundamentals for Legacy PCs
  • Windows 7 Professional
  • Windows XP Tablet PC Edition
  • Windows Vista Home Premium
  • Windows 7 Service Pack 1 (Microsoft Windows NT)
  • Windows XP Professional x64 Edition
  • Windows 7 Enterprise (Microsoft Windows NT)
  • Windows 7 Starter
  • Windows 7 Home Basic
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific Pretec U2h256 model.
Laptop Pretec U2h256Tablet Pretec U2h256Download Pretec U2h256Upgrade Pretec U2h256Update Pretec U2h2562017 Pretec U2h256Free Pretec U2h256Data Pretec U2h256Info Pretec U2h256Help Pretec U2h256Guide Pretec U2h256Comments Pretec U2h256Windows 10 Pretec U2h256Vista Pretec U2h256Windows 7 Pretec U2h256Install Pretec U2h256