AIMB-580 User Manual 101.8.7 BIOS update ME mode selector(JWE1)JWE1 is the jumper for user to select update BIOS freely without lock protectionwhen using ADVSPI or with lock protection.1.*Productionmode(1-2) pinclosed None FF ADVSPI updatedLink/remotecontol defaultAC on/stdby2.LockRead:0BWrite:0AADVSPI noupdatedLink/remotecontolOEMrequestAC on/stdby3. Manufacturemode(2-3) pinclosed None FF ADVSPI updated None None None* refers to default.1. * In default production mode, there's no lock protection for BIOS. The MasterRegion Access Control setting is FF, users can update complete BIOS withADVSPI tool. The function is same as Manufacture mode. BIOS ME(Manage-ment Engine) function keeps link and remote control. The jumper can be setunder AC off PWR status, can not set under standby PWR status.2. In prodution mode with lock protection for BIOS, the Master Region AccessControl setting is Read:0B, Write:0A. Users can not update BIOS ME firmwarefreely. BIOS ME(Management Engine) function keeps link and remote control.This setting is only for OEM project request. The jumper can be set under AC offPWR status, can not set under standby PWR status.3. In manufacture mode, BIOS has no lock protection function. The MasterRegion Access Control setting is FF, users can update complete BIOS withADVSPI tool. However, the BIOS ME function no keep link and remote controlafter bios been updated.1.9 System MemoryThe AIMB-580 has four sockets for 240-pin DDR3.All these sockets use 1.8V unbuffered double data rate synchronous DRAMs (DDR3SDRAM). They are available in capacities of 1024 MB. The sockets can be filled inany combination with DIMMs of any size, giving a total memory size between 1 GBand 4 GB. AIMB-580 with Q57 PCH does not support ECC, with 3450 PCH supportECC (error checking and correction).Table 1.7: BIOS update ME mode selectorFunction JumperSettingBIOSprotectMasterRegionAccessControlUpdatetoolMEversionMEfunctionafterupdatedSettingJWE1PWRworkingstatus