DIAMOND FLOWER, INC. P486-ICA (REV. A) Processor 80486SX/80486DX/80486DX2/Pentium Overdrive Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set Intel Max. Onboard DRAM 128MB Cache 128/256KB BIOS Phoenix Dimensions 330mm x 218mm I/O Options 32-bit PCI bus slots (3), floppy drive interface, IDE interface, parallel port, PS/2 mouse interface, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location PCI 3.3 volt power J3 IDE interface LED J31 connector External battery J4 Reset switch J32 PS/2 mouse port J5 Speaker J33 Serial port 1 J14 Power LED & keylock J34 Serial port 2 J15 Chassis fan power J36 Parallel port J20 Turbo LED J40 Floppy drive J21 32-bit PCI bus S1, S2 & S3 interface slots IDE interface J22 USER CONFIGURABLE SETTINGS Function Jumper Position » Battery type select 3.6 volt J7 pins 1 & 2 closed Battery type select 4.5 volt J7 pins 2 & 3 closed » On board I/O controller enabled J23 pins 2 & 3 closed On board I/O controller disabled J23 pins 1 & 2 closed » Memory parity enabled J24 pins 1 & 2 closed Memory parity disabled J24 pins 2 & 3 closed » Boot block disabled J25 pins 1 & 2 closed Boot block enabled J25 pins 2 & 3 closed » IDE DMA disabled J26 pins 1 & 2 closed IDE DMA enabled (WD Caviar/Conner J26 pins 2 & 3 CP30254 drives only) closed » CMOS memory normal operation J27 Open CMOS memory clear J27 Closed » Factory configured - do not alter J28 Open » DMA Channel 1 enabled J29 & J30 pins 2 & 3 closed DMA Channel 1 disabled J29 & J30 pins 1 & 2 closed » L1 write through & L2 write back J37 & J38 pins 1 & 2 cache enabled closed L1 write back & L1 write through J37 & J38 pins 2 & 3 cache enabled closed » CPU speed select 33MHz J39 pins 2 & 3 closed CPU speed select 25MHz J39 pins 1 & 2 closed » IRQ14 enabled (on board IDE J42 pins 1 & 2 controller installed) closed IRQ15 enabled ( 2 IDE controllers J42 pins 2 & 3 installed) closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 256K x (1) 256K x NONE NONE 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 512K x (1) 512K x NONE NONE 36 36 6MB (1) 256K x (1) 256K x (1) 512K x (1) 512K x 36 36 36 36 6MB (1) 512K x (1) 512K x (1) 256K x (1) 256K x 36 36 36 36 8MB (1) 512K x (1) 512K x (1) 512K x (1) 512K x 36 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 10MB (1) 256K x (1) 256K x (1) 1M x 36 (1) 1M x 36 36 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 12MB (1) 512K x (1) 512K x (1) 1M x 36 (1) 1M x 36 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 512K x (1) 512K x 36 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 18MB (1) 256K x (1) 256K x (1) 2M x 36 (1) 2M x 36 36 36 18MB (1) 2M x 36 (1) 2M x 36 (1) 256K x (1) 256K x 36 36 20MB (1) 512K x (1) 512K x (1) 2M x 36 (1) 2M x 36 36 36 20MB (1) 2M x 36 (1) 2M x 36 (1) 512K x (1) 512K x 36 36 24MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 24MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 34MB (1) 256K x (1) 256K x (1) 4M x 36 (1) 4M x 36 36 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 36MB (1) 512K x (1) 512K x (1) 4M x 36 (1) 4M x 36 36 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 512K x (1) 512K x 36 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 48MB (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 66MB (1) 256K x (1) 256K x (1) 8M x 36 (1) 8M x 36 36 36 66MB (1) 8M x 36 (1) 8M x 36 (1) 256K x (1) 256K x 36 36 68MB (1) 512K x (1) 512K x (1) 8M x 36 (1) 8M x 36 36 36 68MB (1) 8M x 36 (1) 8M x 36 (1) 512K x (1) 512K x 36 36 72MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 72MB (1) 8M x 36 (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 80MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 80MB (1) 8M x 36 (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 96MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (2) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (2) 32K x 8 Note: Bank 0 is factory installed and is not configurable. CACHE JUMPER CONFIGURATION Size J41/ 1 & 2 J41/ 3 & 4 128KB Open pins 3 & 4 closed 256KB pins 1 & 2 closed Open CPU VOLTAGE SELECT Voltage J35 3.3 pins 1 & 3, 2 & 4 closed 5 pins 3 & 5, 4 & 6 closed PCI IRQ CONFIGURATION IRQ J6 9 pins 1 & 2 closed 10 pins 3 & 4 closed 11 pins 5 & 6 closed 14 pins 7 & 8 closed