| 29.35% | %SYSDIR% \ DRIVERS \ ptumwcsp.sys | USB Serial Port Device Driver (MSS Ver.3) | DEVGURU Co., LTD.(www.devguru.co.kr) | 1.2.3937.1022 | 2542537 |
| 22.83% | %SYSDIR% \ DRIVERS \ ptumwcsp.sys | USB Serial Port Device Driver (MSS Ver.3) | DEVGURU Co., LTD.(www.devguru.co.kr) | 1.2.7000.720 | 1683165 |
| 19.57% | %SYSDIR% \ DRIVERS \ ptumwcsp.sys | USB Serial Port Device Driver (MSS Ver.3) | DEVGURU Co., LTD.(www.devguru.co.kr) | 1.2.3937.1022 | 3587772 |
| 11.96% | %SYSDIR% \ DRIVERS \ ptumwcsp.sys | USB Serial Port Device Driver (MSS Ver.3) | DEVGURU Co., LTD.(www.devguru.co.kr) | 1.2.3937.1022 | 7062925 |
| 9.78% | %SYSDIR% \ DRIVERS \ ptumwcsp.sys | USB Serial Port Device Driver (MSS Ver.3) | DEVGURU Co., LTD.(www.devguru.co.kr) | 1.2.7000.720 | 3671639 |
| 2.17% | %SYSDIR% \ DRIVERS \ ptumwcsp.sys | USB Serial Port Device Driver (MSS Ver.3) | DEVGURU Co., LTD.(www.devguru.co.kr) | 1.2.7000.720 | 1974335 |
| 1.09% | %SYSDIR% \ DRIVERS \ ptumwcsp.sys | USB Serial Port Device Driver (MSS Ver.3) | DEVGURU Co., LTD.(www.devguru.co.kr) | 1.2.8000.516 | 29729200 |
| 1.09% | %SYSDIR% \ DRIVERS \ ptumwcsp.sys | USB Serial Port Device Driver (MSS Ver.3) | DEVGURU Co., LTD.(www.devguru.co.kr) | 1.2.8000.516 | 20695740 |
| 1.09% | %SYSDIR% \ DRIVERS \ ptumwcsp.sys | USB Serial Port Device Driver (MSS Ver.3) | DEVGURU Co., LTD.(www.devguru.co.kr) | 1.2.9002.1120 | 32353308 |
| 1.09% | %SYSDIR% \ DRIVERS \ ptumwcsp.sys | USB Serial Port Device Driver (MSS Ver.3) | DEVGURU Co., LTD.(www.devguru.co.kr) | 1.2.8000.516 | 22088541 |