Bios Update History for Mainboard: HOT-597 ======================= 5970S02H.BIN Pre-Release 5970s02I.BIN Initial Release 5970S02N 1. Update K6-3 to K6-III 2. K6-III Vcore = 2.3V in bios auto voltage setting. 2.4V CPU will need manual setting due to hardware issue 3. Update Cyrix CPU 2.5x100 3x100 CPU P-Rating 4. Update IRQ routing for WIN95 and IRQ Miniport driver. 5. Update IRQ routing for WIN95 and IRQ Miniport driver USB enable disable 6. Fix IRQ routing table incorrect for win98 cause by IDE,USB and AGP routing should be routed as the sequence of PCI IRQ SLOTs. 7. Fix Disable MS IRQ routing table cannot boot. 5970S02Q 1. Fix problem with large IBM HDD (e.g. IBM DJNA 15,2 GB) 5970S02U 1. AMD K6-2 CPU Defaults voltage=2.2V 5970S02U: 1. AMD K6-2 CPU Defaults voltage=2.2V 5970S02Z: 1. ACPI Defaults Enable 2. Fix PreOS test Int15 E820 fail. 3. Fix shutdown fail for linux 4. support IBM HDD 37.5G. 5. Fix K6-3+ show k6-3 6. Fix 5970S02y not compiled complete ======================OEM BIOS================================== 5970L02I LEO OEM BIOS. 5970B02N BONA OEM BIOS