DIAMOND FLOWER, INC. 486-25UCB/486-33UCB Processor 80486DX Processor Speed 25/33MHz Chip Set UMC Max. Onboard DRAM 48MB Cache 32/64/128/256KB BIOS AMI Dimensions 330mm x 220mm I/O Options 32-bit external memory card NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location Auxiliary keyboard J1 Speaker J5 Reset switch J2 and J31 Power LED & keylock J6 Turbo LED J3 External battery J33 Turbo switch J4 and J32 32-bit external S1 memory card USER CONFIGURABLE SETTINGS Function Jumper Position » NPU enabled J12 Closed NPU disabled J12 Open » Factory configured - do not J13 pins 2 & 3 alter closed » Factory configured - do not J18 pins 1 & 2 alter closed » Factory configured - do not J19 Closed alter » Factory configured - do not J20 Closed alter » Factory configured - do not J21 Closed alter » Factory configured - do not J22 pins 1 & 2 alter closed » Factory configured - do not J23 pins 1 & 2 alter closed » Factory configured - do not J24 pins 1 & 2 alter closed » Factory configured - do not J25 pins 2 & 3 alter closed » Factory configured - do not J26 pins 1 & 2 alter closed » Factory configured - do not J27 pins 1 & 2 alter closed » Factory configured - do not J28 Closed alter » Battery type select internal J29 pins 2 & 3 closed Battery type select external J29 pins 1 & 2 closed » Monitor type select color J30 Closed Monitor type select monochrome J30 Open DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (4) 256K x 9 NONE NONE NONE 2MB (4) 256K x 9 (4) 256K x 9 NONE NONE 3MB (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 NONE 4MB (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE NONE NONE 5MB (4) 256K x 9 (4) 1M x 9 NONE NONE 6MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 NONE 8MB (4) 1M x 9 (4) 1M x 9 NONE NONE 9MB (4) 256K x 9 (4) 1M x 9 (4) 1M x 9 NONE 10MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 (4) 1M x 9 12MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 NONE 16MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE NONE NONE 20MB (4) 1M x 9 (4) 4M x 9 NONE NONE 24MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 NONE 32MB (4) 4M x 9 (4) 4M x 9 NONE NONE 36MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 NONE 40MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 48MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 NONE 64MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 Note:Bank 3 is used when a 32-bit external memory card is installed at S1. CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 32KB (4) 8K x 8 NONE (4) 16K x 4 64KB (4) 8K x 8 (4) 8K x 8 (4) 16K x 4 128KB (4) 32K x 8 NONE (4) 16K x 4 256KB (4) 32K x 8 (4) 32K x 8 (4) 16K x 4 CACHE JUMPER CONFIGURATION Size J8 J9 J10 J11 J12 32KB 1 & 2 1 & 2 1 & 2 Open 2 & 3 64KB 2 & 3 1 & 2 1 & 2 Open 1 & 2 128KB 2 & 3 2 & 3 1 & 2 1 & 2 2 & 3 256KB 2 & 3 2 & 3 2 & 3 2 & 3 1 & 2 Note: Pins designated should be in the closed position.