Note: the firmups are listed by release date.

Firmware Latest release Release date Previous release Release history Firmup_MYCHRON4GPS_080728 Updates: MyChron4, MyChron4 2T and the following peripherals: GPS, LCU-ONE, eBox Gold/Extreme, Data key 31.57.07 28 Jul 08 31.57.06 Download Pdf Firmup_MXL_ProPista_080725 Updates: MXL Pro/Pista and the following peripherals: GPS, LCU-ONE, DaVid slave 14.86.33 25 Jul 08 14.86.33 Download Pdf Firmup_EVO3_ProPista_080619 Updates: EVO3 Pro/Pista and the following peripherals: GPS, LCU-ONE, DaVid slave, Formula Steering Wheel 28.08.18 19 Jun 08 28.08.18 Download Pdf Firmup_MemoryKEY_080430 (First official release) Updates: MemoryKey 37.06.02 30 Apr 08 Firmup_MYCHRON4660_080428 (First official release) Updates: MyChron4 660 and the following peripherals: GPS, LCU-ONE, Data key 42.09.01 28 Apr 08 Firmup_MXL_QM_080417 Updates: MXL QM and the following peripherals: GPS, LCU-ONE 29.05.02 17 Apr 08 29.04.01 Download Pdf Firmup_EVO3_QM_080326 Updates: EVO3 QM and the following peripherals: GPS, LCU-ONE, Formula Steering Wheel 28.08.18 26 Mar 08 28.08.18 Download Pdf Lambda_configurator_10007_080303 Updates: LCU-ONE Analog 1.00.07 (sw) 25.11 (fw) 03 Mar 08 1.00.05 Download Pdf Firmup_M3Dash_071211 Updates: MyChron3 Dash 15.08 11 Dec 07 15.07 Download Pdf Firmup_DAVID_071210 Updates: David Stand Alone 17.08 10 Dec 07 17.07 Download Pdf Firmup_AUTOMOTOLOG_071003 Updates: MyChron3 Plus/Gold, Visor, XG, XGLog 3.16/5.12 XG Log 9.23 03 Oct 07 3.16/5.12 XG Log 9.20 Download Pdf Firmup4_TGall_060802 Updates: MyChron Light TG, TGLog TG 13.19/19.16 - TGLog 19.16 02 Aug 06 TG 13.19/19.15 - TGLog 19.15 Download Pdf Firmup4_KART_060726 Updates: MyChron3 Basic, Plus/Gold, Extreme Basic/Basic 2T 2.35/3.11 - Others 2.09/2.15 26 Jul 06 Basic/Basic 2T 2.34/3.11 - Others 2.09/2.15 Download Pdf Firmup4_DRAG_050901 Updates: MyChron3 660 4.28 01 Sep 05 4.28 Download Pdf Firmup4_EVO3_050322 Updates: EVO3 1.41 22 Mar 05 1.40 Download Pdf Firmup4_DASHST1_041210 Updates: ST1 1.26 10 Dec 04 Download Pdf