ELITEGROUP COMPUTER SYSTEMS, INC. UC4917-G Processor CXM6/80486SX/CXM6-C6/AM486DX/80486DX/80486DX2/P23N/P23T/ P24T Processor 25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set UMC Maximum 64MB Onboard Memory Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (3), green PC connector NPU Options None [Image] CONNECTIONS Function Label Function Label External battery J1 Turbo LED JP25 Speaker J3 Reset switch JP26 Power LED & keylock JP23 Green PC connector JP32 Turbo switch JP24 32-bit VESA local bus SL1 - SL3 slots USER CONFIGURABLE SETTINGS Setting Label Position CMOS memory normal operation JP1 Open CMOS memory clear JP1 Closed BIOS type select EPROM JP2 Open BIOS type select flash BIOS EPROM JP2 Closed Monitor type select color JP5 Pins 2 & 3 closed Monitor type select monochrome JP5 Pins 1 & 2 closed VGA card type select normal card JP6 Pins 1 & 2 installed closed VGA card type select Weitek Power JP6 Pins 2 & 3 9000 only closed PGA enabled JP20 Closed PQFP enabled JP20 Open » Factory configured - do not alter JP29 Open DRAM Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x None None None 36 2MB (1) 512K x None None None 36 2MB (1) 256K x (1) 256K x None None 36 36 3MB (1) 512K x None (1) 256K x None 36 36 3MB (1) 256K x (1) 256K x (1) 256K x None 36 36 36 4MB (1) 512K x None (1) 256K x (1) 256K x 36 36 36 4MB (1) 512K x None (1) 512K x None 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 1M x 36 None None None 5MB (1) 1M x 36 (1) 256K x None None 36 6MB (1) 512K x None (1) 1M x 36 None 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x None 36 36 7MB (1) 512K x None (1) 1M x 36 (1) 256K x 36 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 8MB (1) 2M x 36 None None None 8MB (1) 1M x 36 (1) 1M x 36 None None 9MB (1) 2M x 36 None (1) 256K x None 36 9MB (1) 1M x 36 (1) 1M x 36 (1) 256K x None 36 10MB (1) 512K x None (1) 1M x 36 (1) 1M x 36 36 10MB (1) 512K x None (1) 2M x 36 None 36 10MB (1) 2M x 36 None (1) 256K x (1) 256K x 36 36 10MB (1) 2M x 36 None (1) 512K x None 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 12MB (1) 2M x 36 None (1) 1M x 36 None 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 None 13MB (1) 2M x 36 None (1) 1M x 36 (1) 256K x 36 13MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 16MB (1) 2M x 36 None (1) 1M x 36 (1) 1M x 36 DRAM (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 16MB (1) 2M x 36 None (1) 2M x 36 None 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 None None None 17MB (1) 4M x 36 (1) 256K x None None 36 18MB (1) 512K x None (1) 4M x 36 None 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x None 36 36 19MB (1) 512K x None (1) 4M x 36 (1) 256K x 36 36 19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 20MB (1) 4M x 36 (1) 1M x 36 None None 21MB (1) 4M x 36 (1) 1M x 36 (1) 256K x None 36 22MB (1) 512K x None (1) 4M x 36 (1) 1M x 36 36 22MB (1) 4M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 24MB (1) 2M x 36 None (1) 4M x 36 None 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 None 25MB (1) 2M x 36 None (1) 4M x 36 (1) 256K x 36 25MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 28MB (1) 2M x 36 None (1) 4M x 36 (1) 1M x 36 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 4M x 36 (1) 4M x 36 None None 33MB (1) 4M x 36 (1) 4M x 36 (1) 256K x None 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 36MB (1) 512K x None (1) 4M x 36 (1) 4M x 36 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 None 37MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 256K x 36 40MB (1) 2M x 36 None (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) 4M x 36 None 49MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 256K x 36 52MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CACHE SIZE 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 Size JP17 JP18 JP21 JP22 64KB Pins 1 & 2 Open Open Open closed 128KB Pins 2 & 3 Pins 2 & 3 Closed Open closed closed 256KB Pins 1 & 2 Pins 1 & 2 Closed Closed closed closed CPU TYPE Setting JP13 CXM6 Pins 2 & 3 closed 80486SX Pins 2 & 3 closed CXM6/C6 Pins 1 & 2, 3 & 4 closed AM486DX Pins 1 & 2, 3 & 4 closed 80486DX Pins 1 & 2, 3 & 4 closed 80486DX2 Pins 1 & 2, 3 & 4 closed P23N Pins 1 & 2, 3 & 4 closed P23T Pins 1 & 2, 3 & 4 closed P24T Pins 1 & 2, 3 & 4 closed CPU TYPE (CYRIX ONLY) Setting JP9 JP14 JP19 C6 or M6/C6 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 installed closed closed closed C6 or M6/C6 not Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 installed closed closed closed CPU SPEED Setting JP7 JP8 JP30 25MHz Closed Open Open 33MHz Closed Closed Closed 40MHz Closed Closed Open 50iMHz Closed Open Open 50MHz Open Open Closed 66iMHz Closed Closed Closed CPU SPEED Setting JP11 JP31 < = 40MHz Pins 2 & 3 closed Pins 2 & 3 closed 50MHz Pins 1 & 2 closed Pins 1 & 2 closed CPU CLOCK (CYRIX ONLY) Setting JP33 1x (CX486DX) Open 2x (CX486DX2) Closed VL BUS SPEED Setting JP15 <= 33MHz Open > 33MHz Closed VL BUS WAIT STATE Setting JP16 0 wait states Open 1 wait state Closed POWER MANAGEMENT IRQ Setting JP27 JP28 IRQ3 N/A Pins 7 & 8 closed IRQ5 Pins 1 & 2 closed N/A IRQ7 Pins 3 & 4 closed N/A IRQ9 Pins 5 & 6 closed N/A IRQ10 N/A Pins 1 & 2 closed IRQ11 N/A Pins 3 & 4 closed IRQ15 N/A Pins 5 & 6 closed