DIAMOND FLOWER, INC. 3486-OCV Processor 80386DX/CX486DLC/80486SX/80487SX/ODP486DX/80486DX/80486DX2/ODP586SX Processor 20/25/33/50(Internal)/50/66(Internal)MHz Speed Chip Set OPTI Max. 64MB Onboard DRAM Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O 32-bit VESA slots (2) Options NPU 80387DX Options [Image] CONNECTIONS Purpose Location Purpose Location Diagnostic LCD port J1 Reset switches J6 & J8 Keyboard connector J2 Turbo Switch J7 Speaker J3 PS/2 mouse connector J9 Power LED & keylock J4 External Battery J10 Turbo LED J5 32-bit VESA slots (2) S1 & S2 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation J11 pins 1 & 2 (Internal Battery) closed CMOS memory normal operation J11 Open (External Battery) CMOS memory clear J11 pins 2 & 3 closed » Factory configured - do not alter JP10 Open » Factory configured - do not alter JP11 Closed » Monitor type select color JP29 Closed Monitor type select monochrome JP29 Open » BIOS ROM type select 2764 JP32 Open » BIOS ROM type select 27128 or JP32 pins 1 & 2 Flash RAM 28f010 closed » BIOS ROM type select Flash RAM JP32 pins 2 & 3 28f001 closed » Factory configured - do not alter JP33 Closed Note:The location of JP10, JP28 and JP33 are unknown. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB 256K x 36 NONE NONE NONE 2MB 256K x 36 256K x 36 NONE NONE 2MB 512K x 36 NONE NONE NONE 3MB 256K x 36 256K x 36 256K x 36 NONE 4MB 256K x 36 256K x 36 256K x 36 256K x 36 4MB 512K x 36 512K x 36 NONE NONE 4MB 1M x 36 NONE NONE NONE 6MB 512K x 36 512K x 36 512K x 36 NONE 8MB 512K x 36 512K x 36 512K x 36 512K x 36 8MB 1M x 36 1M x 36 NONE NONE 8MB 2M x 36 NONE NONE NONE 9MB 2M x 36 256K x 36 NONE NONE 10MB 2M x 36 256K x 36 256K x 36 NONE 10MB 2M x 36 512K x 36 NONE NONE 11MB 2M x 36 256K x 36 256K x 36 256K x 36 12MB 2M x 36 512K x 36 512K x 36 NONE 12MB 2M x 36 1M x 36 NONE NONE 12MB 1M x 36 1M x 36 NONE NONE 14MB 2M x 36 512K x 36 512K x 36 512K x 36 16MB 2M x 36 1M x 36 1M x 36 NONE 16MB 2M x 36 2M x 36 NONE NONE 16MB 1M x 36 1M x 36 1M x 36 1M x 36 16MB 4M x 36 NONE NONE NONE 20MB 2M x 36 2M x 36 1M x 36 NONE 20MB 4M x 36 1M x 36 NONE NONE 24MB 2M x 36 2M x 36 1M x 36 1M x 36 24MB 4M x 36 1M x 36 1M x 36 NONE 24MB 4M x 36 2M x 36 NONE NONE 24MB 2M x 36 2M x 36 2M x 36 NONE DRAM CONFIGURATION (CONTINUED) Size Bank 0 Bank 1 Bank 2 Bank 3 28MB 4M x 36 1M x 36 1M x 36 1M x 36 32MB 2M x 36 2M x 36 2M x 36 2M x 36 32MB 4M x 36 4M x 36 NONE NONE 32MB 8M x 36 NONE NONE NONE 32MB 4M x 36 2M x 36 2M x 36 NONE 36MB 4M x 36 4M x 36 1M x 36 NONE 36MB 8M x 36 1M x 36 NONE NONE 40MB 4M x 36 2M x 36 2M x 36 2M x 36 40MB 4M x 36 4M x 36 1M x 36 1M x 36 40MB 4M x 36 4M x 36 2M x 36 NONE 40MB 8M x 36 1M x 36 1M x 36 NONE 40MB 8M x 36 2M x 36 NONE NONE 44MB 8M x 36 1M x 36 1M x 36 1M x 36 48MB 4M x 36 4M x 36 2M x 36 2M x 36 48MB 8M x 36 2M x 36 2M x 36 NONE 48MB 4M x 36 4M x 36 4M x 36 NONE 48MB 8M x 36 4M x 36 NONE NONE 56MB 8M x 36 2M x 36 2M x 36 2M x 36 64MB 4M x 36 4M x 36 4M x 36 4M x 36 64MB 8M x 36 8M x 36 NONE NONE 64MB 8M x 36 4M x 36 4M x 36 NONE 64MB 16M x 36 NONE NONE NONE CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 8K x 8 128KB (4) 32K x 8 NONE 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 16K x 8/32K x 8 CACHE JUMPER CONFIGURATION Size JP6 JP7 JP8 JP9 64KB Open Open pins 2 & 3 pins 2 & 3 closed closed 128KB Closed Open pins 1 & 2 pins 1 & 2 closed closed 256KB Closed Closed pins 2 & 3 pins 2 & 3 closed closed VESA CPU TYPE CONFIGURATION CPU Type JP15 JP16 JP21 JP22 80386 pins 2 & 3 Open Open Closed closed 80486 pins 1 & 2 Closed Closed Open closed VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION CPU speed Wait states JP24 (ID3) JP23 (ID2) <=33MHz 0 wait states Closed Closed >33MHz 1 wait state Open Open VESA BUS READY SIGNAL CONFIGURATION Signal JP18 JP34 » Delay 1 PCLK pins 1 & 2 closed pins 1 & 2, 3 & 4 closed No Delay pins 2 & 3 closed pins 2 & 3 closed CPU TYPE CONFIGURATION Type JP1 JP2 JP3 JP17 JP19 JP27 80386DX N/A N/A N/A N/A Open pins 1 & 2 CX486DLC N/A N/A N/A N/A Open pins 1 & 2 486SX/PGA pins 2 Open pins 1 pins 1 Closed pins 2 & 3 & 2 & 2 & 3 486SX/PQFP 1 & 2, pins 1 pins 2 pins 2 Closed pins 2 3 & 4 & 2 & 3 & 3 & 3 80487SX 1 & 2, pins 1 pins 2 pins 2 Closed pins 2 3 & 4 & 2 & 3 & 3 & 3 80486DX 1 & 2, pins 2 pins 1 pins 1 Closed pins 2 3 & 4 & 3 & 2 & 2 & 3 80486DX2 1 & 2, pins 2 pins 1 pins 1 Closed pins 2 3 & 4 & 3 & 2 & 2 & 3 ODP586SX 1 & 2, pins 1 pins 2 pins 1 Closed pins 2 3 & 4 & 2 & 3 & 2 & 3 Note:Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP12 JP13 JP14 JP25 JP26 JP31 386DX/25 Open Open Closed pins pins pins 1 2 & 3 2 & 3 & 2 386DX/33 Closed Open Closed pins pins pins 1 2 & 3 2 & 3 & 2 386DX/40 Open Closed Closed pins pins pins 1 2 & 3 2 & 3 & 2 486DLC/25 Open Open Closed pins pins pins 1 2 & 3 2 & 3 & 2 486DLC/33 Closed Open Closed pins pins pins 1 2 & 3 2 & 3 & 2 486DLC/40 Open Closed Closed pins pins pins 1 2 & 3 2 & 3 & 2 486SX/DX25 Open Open Closed pins pins pins 1 2 & 3 1 & 2 & 2 486SX/DX33 Closed Open Closed pins pins pins 1 2 & 3 1 & 2 & 2 486DX/40 Closed Closed Open pins pins pins 1 1 & 2 1 & 2 & 2 486DX/50 Open Open Closed pins pins pins 1 1 & 2 1 & 2 & 2 80486DX2/50i Open Open Closed pins pins pins 1 2 & 3 1 & 2 & 2 80486DX2/66i Closed Open Closed pins pins pins 1 2 & 3 1 & 2 & 2 Note:Pins designated should be in the closed position.