Acer Travelmate 5744 Drivers' title='Acer Travelmate 5744 Drivers' />RTCCMOS battery Acer Travelmate 4. Solved. Recently a laptop I have Acer Travelmate 4. The initial boot screen displayed not only the ordinary information but the following error messages mentioned in the official documentation of the laptop Quote CMOS checksum bad Default configuration used. Previous boot incomplete Default configuration used I disassembled the laptop and found that its RTCCMOS battery is not an usual token battery, but one with connectors and cables. After searching a bit, Ive found that the battery is actually ML1. Looking at the specifications of this one and the most widespead one the CR2. V. They differ in the standard discharge current ML1. 245.00 Beta Email Testing Microsoft Aol more. ACR2. 03. 2 0. 2 0. A varies between manufacturersMy question is would it be a problem to disassemble the ML1. CR2. 03. 2 between the cables Would this difference in stadard discharge current have a negative effect onto the mainboard Ive found a replacement battery, but first it is pretty costly, next no computer service in my region has it because the laptop is very old. Kew Pressure Washer Repair Manual. So, I want to make the laptop use a more widespread battery and next time when it is needed to replace it, to look for the more widespread one and thus make the laptop more maintainable. The Travelmate 4001 WLMi smart card readers. Windows 98 25th June 1998, Windows XP 25th. Install and update all Acer TravelMate 4001WLMi Windows drivers. Windows 95 24th August 1995, Windows 98 25th. Install and update all Acer Travelmate 4000 WLMi Windows drivers. Silicon Spies Games'>Silicon Spies Games. Acer TravelMate 4000WLMi System.