IPC CORPORATION, LTD. IPC DYNASTY HE (MB486HE#20) Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive Processor 25/33/50(internal)/66(internal)MHz Speed Chip Set UMC Max. Onboard 32MB DRAM Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Turbo LED J2 Power LED & keylock J5 Speaker J3 External battery J6 Reset switch J4 32-bit VESA local bus SL1 & SL2 slots USER CONFIGURABLE SETTINGS Function Jumper Position » Turbo enabled J1 Open Turbo disabled J1 Closed » Factory configured - do not W23 Open alter » CPU clock select 1x W24 Open CPU clock select 2x W24 Closed » Factory configured - do not W25 Open alter » Monitor type select color W26 Closed Monitor type select monochrome W26 Open » Battery type select internal W27 Closed Battery type select external W27 Open DRAM CONFIGURATION Size Bank 0 Bank 1 4MB (4) 1M x 9 NONE 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 32MB (4) 4M x 9 (4) 4M x 9 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size W1 W2 W3 W4 W5 W6 W7 64KB Closed Closed 1 & 2 1 & 2 1 & 2 Open Open 128KB Closed Closed 2 & 3 1 & 2 2 & 3 1 & 2 Open 256KB Closed Closed 2 & 3 2 & 3 1 & 2 2 & 3 Open Note: Pins designated should be in the closed position.. CACHE JUMPER CONFIGURATION (CON’T) Size W13 W14 W15 W16 W17 W18 W19 W20 64KB Open Open Open Open Open Open Open Open 128KB Closed Open Open Open Open Open Open Closed 256KB Closed Closed Open Open Open Open Closed Closed Note: The location of the above jumpers are unidentified. CPU TYPE CONFIGURATION Type W8 W9 W10 W11 W12 80486SX (PQFP) 1 & 2 Open Open 1 & 2 Open 80486SX (PGA) Open Open 2 & 3 Open 2 & 3 ODP486SX 1 & 2 Open 1 & 2, 3 Open 1 & 2 & 4 80487SX 1 & 2 Open 1 & 2, 3 Open 1 & 2 & 4 80486DX (PQFP) 2 & 3 Closed Closed 1 & 2 Open 80486DX (PGA) 2 & 3 Open 1 & 2, 3 Open 2 & 3 & 4 80486DX2 2 & 3 Open 1 & 2, 3 Open 2 & 3 & 4 Pentium 1 & 2 Open 1 & 2, 3 Open 1 & 2 Overdrive & 4 Note: Pins designated should be in the closed position. The locations of W8 & W9 are unidentified. VESA WAIT STATE CONFIGURATION Wait states W22 0 wait states Open 1 wait state Closed BUS SPEED CONFIGURATION CPU speed W21 <= 33MHz Open > 33MHz Closed