Abit IT5E Series User Manual

Also see for AB-IT5H: User manual

Abit IT5E Series User Manual Manual pdf 22 page image

2-10 Chapter 2(2) Jumpers and SwitchesCCMOS : Delete the contents of the CMOSThis jumper is set on pins 1 and 2 at the factory, in order forthe computer to function normally, so please do not changethis setting. The main feature of this jumper is to solvesituations where the computer crashes due to improper usage.For instance:l You have forgotten the password you set.l You have changed inappropriately the settings in the BIOSmenu.l You want to change the version of flash BIOS.All these errors are very serious, you must avoid them. But ifyou have made one of these errors, this jumper can save yourlife. First turn off the power supply and open the computercase, than place the jumper on pins 2 and 3 in order to saveyour computer. But if you use your computer normally, youshould not need to use this feature.After you have deleted theCMOS information, the computer is saved, butyou still have to go back to the BIOS Setup menu, and reset one by oneall the specifications: CPU, date, hour, FDD and HDD parameters. etc.,before your computer will get back into normal operation.JC1: Installing the cache memory in the cache memory extensionslot (COAST)On delivery, the IT5 mainboard comes with a 256K or 512Kcache memory. If you already have 512K, your mainboard willnot need a cache extension, and you will not be able to see theextension slot. But if you have only 256K, we have reserved anextension slot which permits you to extend the cache to 512K.This is set up at the factory with no jumper, which is what wecall OFF status. You will need to put the jumper in place onlywhen you extend the cache. For more details, refer to the sectionwhich deals with cache memory.