1/23/2017 new driver models for direct download:1023
A4tech Kb(s)-1527r 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Kb(s)-1527r
Certifications for A4tech Kb(s)-1527r
5 stars for A4tech Kb(s)-1527r "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 1/23/2017 Updates

All drivers on are updated on daily basis.

However, a new version of A4tech Kb(s)-1527r might have been uploaded since our last site update.

A4tech Kb(s)-1527r Driver Download

Windows Compatibility for A4tech Kb(s)-1527r driver

A4tech Kb(s)-1527r Driver Details:

A4tech Kb(s)-1527r File Name: a4tech_kb(s)

A4tech Kb(s)-1527r Driver Version: 23aDX00

A4tech Kb(s)-1527r ZIP Size: 141.kb

Manufacturer: A4tech

A4tech Kb(s)-1527r was fully scanned at: 1/20/2017
Scan Status: driver download scanOK

A4tech Kb(s)-1527r special revision for: Windows 7 Ultimate 64 bit, Windows XP Media Center Edition 2003 64 bit, Windows 7 Starter 32 bit, Windows XP Professional N 64 bit, Windows Vista Ultimate 64 bit, Windows Vista Starter 32 bit

A4tech Kb(s)-1527r Download Stats:

Driver Uploaded: 11/20/2016

Direct Downloads: 528
Most Recent Download: 1/20/2017
Managed Downloads: 1041
Most Recent Download: 1/22/2017
Download Mirrors: 1
Current Delay: 25 Seconds
Driver License: Free to the general public

Direct Download Success Stats:

Reports Issued By 516/528 Users

Success Reported By 152/516 Users

Driver Download Score70/100

Driver Installation Score74/100

Overall preformance Score72/100

A4tech Kb(s)-1527r 87 Thumbs Up87Thumbs
A4tech Kb(s)-1527r 17 Thumbs Down17Thumbs
A4tech Kb(s)-1527r 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 920/1041 Users

Success Reported By 704/920 Users

Driver Download Score89/100

Driver Installation Score92/100

Overall preformance Score97/100

A4tech Kb(s)-1527r 673 Thumbs Up673Thumbs
A4tech Kb(s)-1527r 0 Thumbs Down0Thumbs
A4tech Kb(s)-1527r driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.


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 A4tech Kb(s)-1527r 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 A4tech Kb(s)-1527r + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Kb(s)-1527r, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

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A4tech Kb(s)-1527r 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 A4tech Kb(s)-1527r disfunctions.

Scan performed on 1/23/2017, Computer: IBM 8171ZCQ

Outdated or Corrupted drivers:6/18

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel QuickPath Architecture Generic Non-core Registers - 2C62Corrupted By A4tech Kb(s)-1527r
Mice And Touchpads
Synaptics ELAN PS/2 Port Input DeviceUp To Date and Functioning
Usb Devices
%GENERIC% USB Mass Storage DeviceUp To Date and Functioning
Qualcomm Huawei Gobi 3000 USB Composite DeviceCorrupted By A4tech Kb(s)-1527r
Samsung GT-I8190Up To Date and Functioning
Sound Cards And Media Devices
NVIDIA NVIDIA GeForce GTX 550 TiUp To Date and Functioning
Network Cards
ONDA ONDA Network DeviceCorrupted By A4tech Kb(s)-1527r
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
NVIDIA NVIDIA MCP51 Serial ATA ControllerUp To Date and Functioning
SMSC SMSC IrCC - Fast Infrared PortUp To Date and Functioning
Creaform NEC OHCI Compliant IEEE 1394 Host ControllerUp To Date and Functioning
Microsoft Texas Instruments PCI-1520 CardBus ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Intel Canon EOS 500DUp To Date and Functioning
Video Cards
ATI RADEON X300 SeriesUp To Date and Functioning
Input Devices
KME USB Human Interface DeviceCorrupted By A4tech Kb(s)-1527r
Port Devices
MediaTek MediaTek PreLoader USB VCOM Port (COM51)Corrupted By A4tech Kb(s)-1527r
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 1/23/2017, Computer: ELITEGROUP G713

Outdated or Corrupted drivers:8/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Apple Apple Built-in iSight - UnprogrammedUp To Date and Functioning
Mice And Touchpads
Microsoft Microsoft USB IntelliMouse Explorer 4.0 (IntelliPoint)Up To Date and Functioning
Usb Devices
Logitech Logitech USB Camera (Notebooks Deluxe)Up To Date and Functioning
Intel(R) 82801DB/DBM USB Universal Host Controller - 24C7Up To Date and Functioning
Sound Cards And Media Devices
IDT High Definition Audio DeviceUp To Date and Functioning
Advanced Micro Devices AMD Radeon(TM) HD 6520GCorrupted By A4tech Kb(s)-1527r
Network Cards
Ralink BUFFALO WLI-UC-G300N Wireless LAN AdapterCorrupted By A4tech Kb(s)-1527r
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Intel(R) ICH9R/DO/DH 6 Port SATA AHCI Controller - 2922Outdated
Intel Intel(r) AIM External Flat Panel Driver 0Up To Date and Functioning
NVIDIA Other PCI Bridge DeviceCorrupted By A4tech Kb(s)-1527r
Google Nexus 4Up To Date and Functioning
Validity Sensors Validity Sensors (WBF) (PID=0018)Up To Date and Functioning
AuthenTec AuthenTec AES3500 TruePrint SensorUp To Date and Functioning
Texas Instruments Texas Instruments PCI7420 Integrated FlashMedia ControllerCorrupted By A4tech Kb(s)-1527r
Cameras, Webcams And Scanners
EPSON EPSON Stylus CX6400Up To Date and Functioning
Video Cards
Intel(R) 82945G Express Chipset Family (Microsoft Corporation - WDDM 1.0)Up To Date and Functioning
Input Devices
Wacom Virtual Keyboard InterfaceCorrupted By A4tech Kb(s)-1527r
Port Devices
Nokia Nokia Asha 311 USB Serial Port (COM5)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Kb(s)-1527r
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Kb(s)-1527r
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Kb(s)-1527r 739379/27/201412/28/2016a4tech_kb(s)-1527r-73937.exe160kbSony VGN-AR91PS, HP PN135AA-ABU, Gateway S-7220M, Acer Predator G7760, Sony VGN-SZ32GP_B, HP PJ425AA-ABN, Fujitsu FMVCE80T7, NCR 7457-3500-8801, Compaq GS255AV-AB4 SR5211CF, HP EG763AA-B14, HP P7-1010esm, WIPRO WSG37555W7-0288, Gigabyte MSH61PI-EX, Lenovo 6471EGR, and more.
A4tech Kb(s)-1527r K223231/26/201512/27/2016a4tech_kb(s)-1527r-k22323.exe210kbToshiba SATELLITE C50-A-14V, LG R490-K.ARCRE1, Sony VGN-FW550F, Sony VGN-UX50, Sony VGN-FW250J, HP HP G60 Notebook PC, HP RJ131AA-AB8 t3620.t, Sony SVZ13116GXX, Lenovo ThinkPad T410s, Gateway P-6318u HSN, NEC MS-6303, HP RR523AA-UUW, Intel Test Product, and more.
A4tech Kb(s)-1527r U41.122411/7/201412/29/2016a4tech_kb(s)-1527r-u41.1224.exe192kbPackard Bell ISTART 2150, Packard Bell IPower X9200, Sony VGC-JS410F, Packard Bell IMEDIA MC 9330, Packard Bell IMEDIA MCE 8010, Sony VGN-NS21ER_S, HP HP Compaq nc6220, NEC Express5800/110Ge [N8100-1447Y, NEC PC-LL750WG1JB, IBM ThinkCentre M51, Sony VGN-NS90HS_6_W, Sony VGN-AR390E, Sony VPCW12M1E, and more.
A4tech Kb(s)-1527r 81.17271/21/201512/29/2016a4tech_kb(s)-1527r-81.1727.exe92kbSeneca Pro213935, Compaq PX734AA-ABA a123l NA520, HP P6604f, HP C9700, HP CQ2800EEm, Fujitsu FMVU90LB, SAMSUN 400B4A/400B5A/200B4A/200B5A, HP KT391AA-AB4 a6590d, LG LW70-QJMA, Lenovo ThinkStation E31, and more.
A4tech Kb(s)-1527r A632.192.112/4/201412/30/2016ocvut-a632.192.1.exe97kbSony VGN-CS36TJ_U, Sony VGN-NS230TE, Sony VGN-SZ7AWN_C, IBM 818361U, Gateway 4028GZ, Sony VPCZ12X9R, Fujitsu FMVNB5Y3, HP ED737AA-ABS, Sony VGN-SZ56LN_B, NEC PC-MK29MLZE1RJG, Sony VPCF13QFX, Dell Vostro 1550, Fujitsu FMVMG75YD5, Dell Inspiron 20 Model 3045, DataLogic MS-N011, Lenovo ThinkPad Tablet 2, QUANMAX ChiliGREEN X7, Dell Inspiron 3531, Acer Aspire 5950G, and more.
A4tech Kb(s)-1527r 61.1642.12/21/201512/29/2016a4tech_kb(s)-1527r-61.1642.1.exe171kbAcer Aspire 1425P, Compaq ED879AA-ABA SR1638NX NA540, IBM 2669WCC, Panasonic CF-W7BWHNJR, Panasonic CF-18KH2ZXBC, Acer Aspire 1420P, Sony VGN-CS36SJ_R, IBM 8307D3U, Lenovo ThinkCentre M75e, Dell PowerEdge 4600, Sony VGN-FW54E, Sony SVE1412ECXP, Uniwill L51AI Serial, NEC NEC POWERMATE X8550, Partner D525, LG E200-A.C211R, and more.
A4tech Kb(s)-1527r 8380211/3/201412/29/2016a4tech_kb(s)-1527r-83802.exe84kbHP GS407AA-ABZ, NEC PC-LG17FWTGG, Lenovo ThinkPad T430, Toshiba Dynabook TV/64KWHYD, Compaq FJ403AA-AB9 SR5502PT, Compaq FR664AA-ABF SR5617FR, IBM ThinkCentre A52, LG E500-G.ABBTZ, Lenovo 1952T60, Sony PCG-R505V_BD, LG GS50-5FH1, IBM 686656U, Gateway E-9520T, and more.
A4tech Kb(s)-1527r U236409/24/201412/27/2016a4tech_kb(s)-1527r-u23640.exe166kbSony VPCEH40EBW, IBM ThinkPad X41, Sony VGN-P50_G, Sony PCV-HS72B, LG X110-L.A7B1A2, HP HP Touchsmart 300-1120, HP PS139AA-ABX, SAMSUN SQ45/Q70C/P200, Lenovo ThinkPad W500, Lenovo 1038DBG, Toshiba SATELLITE,A665, HP Pavilion zx5000, HP HP ProBook 6455b, and more.
A4tech Kb(s)-1527r G1.11.128410/23/201412/28/2016qy-g1.11.1284.exe65kbPackard Bell IPower X9200, Lenovo 1038DBG, Fujitsu FMVNF40UBJ, NEC PC-VY16AEDAMFL2, HP P6-2393l, IBM 621932U, Sony VGN-TZ17TN_N, NEC Express5800/TM700, IBM 81838HJ, HP RX881AAR-ABA m8000, Supermicro P8SCT, MSI MB-7529, Lenovo 10AJ0002GE, Sony VGN-NS180D, Compaq DD373A-ABY 6650 DK110, IBM 622351U, Gateway Gateway M250, and more.
A4tech Kb(s)-1527r 41.166410/6/201412/28/2016a4tech_kb(s)-1527r-41.1664.exe77kbNEC PC-MY18XAZ7HM95, Sony VGN-AW230J, Sony VGN-NS240D, NEC PC-VY20MAZ79, Sony VPCEG15FL, Lenovo 7659W29, Sony VGN-AW230J, HP RR496AA-ABU, Sony VPCCW25FL, Compaq PS269AA-ABU SR1360UK GB510, Fujitsu M6VCG, HP FJ454AA-AC4 s3620b, Lenovo ThinkCentre M78, HP HP Pavilion dv1000, Toshiba Dynabook EX/33JK, Panasonic CF-18KDHNBVA, Compaq RZ569AA-ABZ SR5039IT, Compaq AU852AA-ABM CQ5216LA, Sony VGN-SZ38TP_C, and more.
A4tech Kb(s)-1527r 4063912/16/201412/30/2016a4tech_kb(s)-1527r-40639.exe49kbNEC PC-LL5006D2DR, Panasonic CF-19FJGAXNE, Lenovo 6457WKW, HP 20-a218d, HP HP ProBook 4421s, HP HPE-367c, HP NC047AA-ABU s3714uk, Fujitsu FPC03051DN, Sony PCV-RS216, HP 810-070ez, WIPRO WSG37555W7-0288, Toshiba SATELLITE C50D-A-10Z, HP FJ454AA-AC4 s3620b, ARLT Computer Produkte Quattro Power Station GTX 560, HP RR521AA-UUW, LG R410-L.A2BME8, HP KT316AA-ABE, HP BN744AA#ABG, Acer TravelMate8472TG, and more.
A4tech Kb(s)-1527r 6209912/13/201412/30/2016a4tech_kb(s)-1527r-62099.exe133kbNEC MS-6303, HP RR523AA-UUW, Intel Test Product, Packard Bell IMEDIA B2218 UK, Fujitsu FMVXN6EG2Z, IBM 1871Y16, Sony VPCEC2E9E, Gateway GT5094j, HP P6-2007nl, Gateway M-7332H, MSI MS-16GN, Acer C-VX2611G, Gigabyte M912, Toshiba Dynabook REGZA PC D712/T3FM, Sony VGN-NS31MT_S, Fujitsu LIFEBOOK NH532, HP CQ1160FRm, HP Compaq 420, and more.
A4tech Kb(s)-1527r S30831.110/10/201412/30/2016a4tech_kb(s)-1527r-s30831.1.exe109kbSony VGC-JS51B_P, NEC EASYNOTE P910R00406, Packard Bell IMedia 8002 EU, Sony PCG-GRT815M, NEC PC-MY30DEZCA, IBM 622133U, Panasonic CF-53JJCZY1M, Packard Bell IXtreme J8038, Gateway P-6317 HSN, HP HP G5000, HP NQ983AA-ABZ p6028it, LG LS75-26SLCE1, IBM 23728EG, IBM 81712EU, and more.
A4tech Kb(s)-1527r C32701/10/201512/29/2016a4tech_kb(s)-1527r-c3270.exe122kbFujitsu FMVNF40UBJ, HP Pavilion ZV6000, HP KN458AA-ABT, ASUS B400AV, HP D7223D-ABA A530E, Toshiba SATELLITE C855-18G, Sony VGC-JS410F, HP GJ345AA-UUW, Fujitsu FMVXNBLQ2Z, Dell Vostro 1320, Lenovo ThinkPad T430u, IBM IBM System x3500 M4 Server -[7383AC1, LG P310-K.CPW1A9, and more.
A4tech Kb(s)-1527r 61.108710/17/201412/27/2016a4tech_kb(s)-1527r-61.1087.exe47kbNEC PC-MY30AEZ77, HP Pavilion ze5700, HP P7-1031, Foxconn A6GMV, Compaq EG217AA-ABG SR1699AN AN540, Samsung N130, Lenovo ThinkPad W530, Sony VGN-A197VP, Positivo POS-ECIG31BT, Sony VGN-SZ140P, Toshiba NB100/HF, IBM 81412EG, Acer Veriton S480G, Gigabyte 946GM-S2, Lenovo SS09302455, and more.
A4tech Kb(s)-1527r 8044611/10/201412/28/2016a4tech_kb(s)-1527r-80446.exe170kbLG P1-JPLCY, Sony VGN-A270, Compaq PG058AA-ABG SR1178A AN430, HP P6-2393l, HP P2-1191d, Fujitsu FMVNS3EE, HP 23-b232e, HP HP dx2000 MT, SAMSUN 3570R/370R/470R/450R/510R/4450RV, Compaq DA255A-ABA 6401RSH NA910, Lenovo 3000 J200p Desktop, ARIMA W651DI, Sony VGN-A39GP, Sony VGNZ890G, Biostar GF8200C M2+, LG XNOTE, Fujitsu PRIMERGY RX300 S8, NEC PC-GL26ES9LE, and more.
A4tech Kb(s)-1527r 71.191.102/10/201512/28/2016a4tech_kb(s)-1527r-71.191.10.exe28kbLG R480-KAP28E, ASUS G750JW, Sony VGN-NS328J, Toshiba Dynabook EX/2513CDSTB, Sony 9906733-3100574, SAMSUN NC10, HP HP ENVY TS 17 Notebook PC, Samsung 200B4Z/S01TH, Panasonic CF-19RHRAXPF, Olidata IPMIP-GS H57, HP HP d330 uT, Sony VPCF13NFX, HP NM943AA-UUW m9570, HP KN458AA-ABT, KONTRON B649, Lenovo ThinkStation S20, HP H9-1390ef, IBM 8303MJ8, Packard Bell ISTART 1379, and more.
A4tech Kb(s)-1527r V231.1749/16/201412/30/2016a4tech_kb(s)-1527r-v231.174.exe161kbLenovo ThinkPad SL400, IBM 8172KMG, NEC PC-GV30H2ZG3, HP 610-1130uk, Sony VPCW126AG, Sony VGN-CR260F, HP HP Compaq 6735s, IBM 62253J9, Sony VPCEL15EN, Exper ACTIVEDEX144, EMachines EL1200-06w, HP HPE-400es, IBM 28815AU, Gateway GT5094j, and more.
A4tech Kb(s)-1527r 2.11.192312/31/201412/28/2016a4tech_kb(s)-1527r-2.11.1923.exe33kbLG P1-P7200M, Toshiba SATELLITE L850-153, MAXDATA ECO4700IW, HP DF179A-ABZ a130, Packard Bell IXtreme X9702, Fujitsu STYLISTIC Q572, IBM 23731G2, Panasonic CF-52ELNFQAM, IBM 6792GGU, Lenovo 209024U, HP Pavilion dv5 NoteBook PC, and more.
A4tech Kb(s)-1527r Z2.122.132.19/27/201412/30/2016a4tech_kb(s)-1527r-z2.122.132.1.exe25kbPcs PRODiiGY 915GV, HP GM435AA-UUW, Toshiba Satellite A130, HP FR472AA-UUW a6622sc, VIA VT8367-8233/5, Powerspec Ps7124, Lenovo 20BC0000MH, Sony VGN-FW148J, HP EG211AA-ABG m7288a, Clevo P15xEMx, Toshiba SATELLITE C870-14G, Packard Bell IMEDIA B2501 BE, Gateway 06DT048, IBM IBM IntelliStation M Pro -[922962J, Sony VGNFW590GAB, LG GS50-5FH1, Gateway GT4224m, RM Plc W761tg, and more.
A4tech Kb(s)-1527r V1.102.1323/5/201512/30/2016m-v1.102.132.exe77kbIBM 2647LG7, M&A E10IS, HP HP Compaq 8710p, Panasonic CF-S8HYEPDR, Dimotion PCDQ3W5, Panasonic CF-W2FW6AXR, Panasonic CF-30FTSAZN2, Acer Aspire X1470, Toshiba Dynabook Qosmio E10/370LSJ2, NEC PC-GV21YTZU6, ASUS BP5275, Gigabyte EG45M-UD2H, Sony VGN-NS250TJ, Toshiba SATELLITE C855-1NF, and more.
A4tech Kb(s)-1527r 1.1291.168/23/201412/28/2016rtxtntir-1.1291.16.exe82kbSony VGN-NS90HS_6_W, Sony VGN-AR390E, Sony VPCW12M1E, MSI MS-7733, Toshiba SATELLITE C870D-116, IBM 2668VMY, TSINGHUA TONGFANG H61H2-TAIO, HP GB323AA-B1U, Acer ASPIRE1420P_MSFT, NOVATECH A35FE/FB, HCL Infosystems APM88-GS, Lenovo 7659W29, Toshiba SATELLITE C855-27U, and more.
A4tech Kb(s)-1527r 29793/3/201512/29/2016a4tech_kb(s)-1527r-2979.exe57kbSony VGN-NW238F, HP M7640n-ABA m7640, Compaq Presario 2700EA 470024-565, HP HP ProBook 6540b, IBM ThinkPad R30, ASUS W3A, Panasonic CF-30CASCZBM, Toshiba SATELLITE PRO C50-A-1J1, HP GU508AA-B14, Panasonic CF-52JE203NW, Dell TT 3421, LG LE50-5B142T, Seneca Pro354493, Lenovo ThinkPad SL300, Packard Bell IMedia D3235, and more.
A4tech Kb(s)-1527r 1.1301.169/5/201412/29/2016a4tech_kb(s)-1527r-1.1301.16.exe204kbAT ALZA GAMEBOX, NEC PC-VY17FDFER, Sony VGN-TZ35FN, LG LS50-A514ZL, M&A E10IS, NEC PC-LL700BS6R, Lenovo ThinkStation E20, HP HP Pavilion dv5, LG X200-NS5BK, HCL Infosystems LUMINA2-LD, HP HP EliteBook 8540p, M&A MADB43LD, Packard Bell IMEDIA B2501 BE, IBM 84822RU, and more.
A4tech Kb(s)-1527r 624882/3/201512/28/2016ylki-62488.exe214kbSony PCG-Z1XSP, IBM 8123W8E, Gateway DX442S, Positivo POS-ECIG31BT, Sony VGN-AW220J, HP Pavilion G60-418CA, Compaq PW679AA-ABE SR1377ES ES510, HP HP Pavilion dv2700, Gateway E-5200, HP G5320it, Sony VPCF1290X, Mitsubishi AL12FBHEZ42W, WIPRO WSG68125W7E-0015, LG B50PS.AR5MB3E, HP P6-2202el, Clevo W240BL_W250BZ_W270BZQ, Compaq ER100AA-ABA SR1625NX NA541, and more.

Please Note: There are particular operating systems known to have problems with A4tech Kb(s)-1527r:
  • Windows XP Media Center Edition 2003
  • Windows 7 Ultimate
  • Windows Fundamentals for Legacy PCs
  • Windows XP Media Center Edition
  • Windows XP Tablet PC Edition
  • Windows 8
  • Windows 7 Home Premium
  • Windows XP Professional
  • Windows 8 Enterprise
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Kb(s)-1527r model.
Laptop A4tech Kb(s)-1527rTablet A4tech Kb(s)-1527rDownload A4tech Kb(s)-1527rUpgrade A4tech Kb(s)-1527rUpdate A4tech Kb(s)-1527r2017 A4tech Kb(s)-1527rFree A4tech Kb(s)-1527rData A4tech Kb(s)-1527rInfo A4tech Kb(s)-1527rHelp A4tech Kb(s)-1527rGuide A4tech Kb(s)-1527rComments A4tech Kb(s)-1527rWindows 10 A4tech Kb(s)-1527rVista A4tech Kb(s)-1527rWindows 7 A4tech Kb(s)-1527rInstall A4tech Kb(s)-1527r