UNIDENTIFIED PM486GA VESA Processor CX486M6/TI486/(IBM)BlueLightening/AM486SX/80486SX/80487SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/80486DX2/P4S/P23S/P24S/ Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/80(internal)MHz Speed Chip Set ALI Max. 128MB Onboard DRAM Cache 64/128/256/512/1024KB BIOS AMI/Phoenix Dimensions 254mm x 218mm I/O 32-bit VESA local bus slots (3), green PC connector Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location External battery J4 Turbo switch JP40 Green PC connector JP12 Speaker JP41 Ring in signal JP13 Power LED & keylock JP42 connector Reset switch JP38 32-bit VESA local SL1 - SL3 bus slots Turbo LED JP39 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation CN1 Closed CMOS memory clear CN1 Open » Factory configured - do not JP1 N/A alter » Monitor type select color JP7 pins 2 & 3 closed Monitor type select monochrome JP7 pins 1 & 2 closed » Green PC enabled JP10 Closed Green PC disabled JP10 Open » ADS speed select > 33MHz JP43 pins 2 & 3 closed ADS speed select <= 33MHz JP43 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 1MB (4) 256K x 9 NONE NONE 1MB NONE (1) 256K x 36 NONE 2MB (4) 256K x 9 NONE (1) 256K x 36 2MB NONE (1) 256K x 36 (1) 256K x 36 4MB (4) 1M x 9 NONE NONE 4MB NONE (1) 1M x 36 NONE 5MB (4) 256K x 9 NONE (1) 1M x 36 5MB (4) 1M x 9 NONE (1) 256K x 36 5MB NONE (1) 1M x 36 (1) 256K x 36 5MB NONE (1) 256K x 36 (1) 1M x 36 8MB (4) 1M x 9 NONE (1) 1M x 36 8MB NONE (1) 1M x 36 (1) 1M x 36 8MB NONE (1) 2M x 36 NONE 9MB (4) 256K x 9 NONE (1) 2M x 36 9MB NONE (1) 256K x 36 (1) 2M x 36 9MB NONE (1) 2M x 36 (1) 256K x 36 12MB (4) 1M x 9 NONE (1) 2M x 36 12MB NONE (1) 1M x 36 (1) 2M x 36 12MB NONE (1) 2M x 36 (1) 1M x 36 16MB (4) 4M x 9 NONE NONE 16MB NONE (1) 4M x 36 NONE 16MB NONE (1) 2M x 36 (1) 2M x 36 17MB (4) 256K x 9 NONE (1) 4M x 36 17MB NONE (1) 256K x 36 (1) 4M x 36 17MB NONE (1) 4M x 36 (1) 256K x 36 20MB (4) 1M x 9 NONE (1) 4M x 36 20MB NONE (1) 1M x 36 (1) 4M x 36 20MB NONE (1) 4M x 36 (1) 1M x 36 20MB (4) 4M x 9 NONE (1) 1M x 36 24MB (4) 4M x 9 NONE (1) 2M x 36 24MB NONE (1) 4M x 36 (1) 2M x 36 24MB NONE (1) 2M x 36 (1) 4M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 32MB (4) 4M x 9 NONE (1) 4M x 36 32MB NONE (1) 4M x 36 (1) 4M x 36 64MB (4) 16M x 9 NONE NONE 65MB (4) 16M x 9 NONE (1) 256K x 36 68MB (4) 16M x 9 NONE (1) 1M x 36 72MB (4) 16M x 9 NONE (1) 2M x 36 80MB (4) 16M x 9 NONE (1) 4M x 36 128MB (4) 16M x 9 (1) 8M x 36 (1) 8M x 36 DRAM JUMPER CONFIGURATION Type JP11A JP11B JP11C JP11D Double side 1 & 2, 3 & 1 & 2 1 & 2 1 & 2 SIMM 4 Single side 2 & 3 2 & 3 2 & 3 2 & 3 SIMM Note: Pins designated should be in the closed position. CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 32KB (4) 8K x 8 NONE (1) 8K x 8 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 32K x 8 256KB (A) (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 256KB (B) (4) 64K x 8 NONE (1) 32K x 8 512KB (4) 64K x 8 (4) 64K x 8 (1) 64K x 8 1MB (4) 128K x 8 (4) 128K x 8 (1) 128K x 8 CACHE JUMPER CONFIGURATION Size JP16 JP17 JP18 JP30 32KB 2 & 3 2 & 3 Open Open 64KB 1 & 2 1 & 2 Open 1 & 2 128KB 1 & 2 2 & 3 Closed 1 & 2, 3 & 4 256KB (A) 1 & 2 1 & 2 Closed 1 & 2, 3 & 4, 5 & 6 256KB (B) 1 & 2 1 & 2 Closed 1 & 2, 3 & 4, 5 & 6 512KB 1 & 2 1 & 2 Closed 1 & 2, 3 & 4, 5 & 6 1MB 1 & 2 1 & 2 Closed 1 & 2, 3 & 4, 5 & 6 Note: Pins designated should be in the closed position. CACHE JUMPER CONFIGURATION (CON’T) Size JP31 JP32 JP33 32KB Open pins 1 & 2 Open closed 64KB Open pins 1 & 2 Open closed 128KB Open pins 1 & 2 Open closed 256KB (A) Open pins 1 & 2 Open closed 256KB (B) Open pins 1 & 2 pins 2 & 3 closed closed 512KB pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed 1MB pins 1 & 2, 3 & pins 2 & 3 pins 1 & 2 closed 4 closed closed CPU TYPE CONFIGURATION Type JP4 JP5 JP6 JP9 JP14 AM486SX Open Open Open Open Open 80486SX Open Open Open Open Open 80487SX Open Open Open Open Open CX486DX Open Open Closed 5 & 6 2 & 4 AM486DX-33 Open Open Open Open Open AM486DX-40/50 Open Open Open Open Open 80486DX-33 Open Open Open Open Open 80486DX-40/50 Open Open Open Open Open CX486DX2 Open Open Closed 5 & 6 2 & 4 AM486DX2 Open Open Open Open Open 80486DX2 Open Open Open Open Open P4S Open Open Open Open 1 & 2 P23S Open Open Open Open 1 & 2 P24S Open Open Open Open 1 & 2 P24T Open Closed Open Open 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP15 JP19 JP20 JP21 JP22 JP23 AM486SX Open Open 1 & 2 2 & 3 Open 1 & 2 80486SX Open Open 1 & 2 2 & 3 Open 1 & 2 80487SX Open 1 & 2 1 & 2 1 & 2 Open 2 & 3 CX486DX 2 & 4 Open 1 & 2 1 & 2 Open 1 & 2 AM486DX-33 Open 2 & 3 1 & 2 2 & 3 Open 2 & 3 AM486DX-40/50 Open 2 & 3 1 & 2 2 & 3 Open 2 & 3 80486DX-33 Open 2 & 3 1 & 2 2 & 3 Open 2 & 3 80486DX-40/50 Open 2 & 3 1 & 2 2 & 3 Open 2 & 3 CX486DX2 2 & 4 Open 1 & 2 1 & 2 Open 1 & 2 AM486DX2 Open 2 & 3 1 & 2 2 & 3 Open 2 & 3 80486DX2 Open 2 & 3 1 & 2 2 & 3 Open 2 & 3 P4S 1 & 2 2 & 3 1 & 2 1 & 2 Open 2 & 3 P23S 1 & 2 Open 1 & 2 1 & 2 Open 1 & 2 P24S 1 & 2 2 & 3 1 & 2 1 & 2 Open 2 & 3 P24T 1 & 2 1 & 2 2 & 3 1 & 2 Closed 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP24 JP25 JP26 JP27 JP28 JP29 AM486SX Open Open Closed Open Closed Open 80486SX Open Open Closed Open Closed Open 80487SX Open Open Closed Open Closed Open CX486DX 1 & 2 Closed Open Open Closed Closed AM486DX-33 Open Open Closed Open Closed Open AM486DX-40/50 Open Open Closed Open Closed Closed 80486DX-33 Open Open Closed Open Closed Open 80486DX-40/50 Open Open Closed Open Closed Closed CX486DX2 1 & 2 Closed Open Open Closed Open AM486DX2 Open Open Closed Open Closed Open 80486DX2 Open Open Closed Open Closed Open P4S 2 & 3 Open Closed Closed Closed Open P23S 2 & 3 Open Closed Closed Closed Open P24S 2 & 3 Open Closed Closed Closed Open P24T 2 & 3 Open Closed Open Closed Open Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP9 JP28 TI 486 pins 1 & 2, 5 & 6 N/A closed IBM Blue Lightening pins 1 & 2, 3 & 4 N/A closed CX486M6 N/A Open Note: These are alternate jumper settings for the above CPU types. CPU SPEED CONFIGURATION Speed JP3 JP8 JP34 JP35 25MHz pins 1 & 2 pins 1 & 2, 5 pins 1 & 2 pins 1 & 2 closed & 6 closed closed closed 33MHz pins 1 & 2 pins 1 & 2, 3 pins 1 & 2 pins 1 & 2 closed & 4 closed closed closed 40MHz pins 2 & 3 pins 3 & 4, 5 pins 2 & 3 pins 2 & 3 closed & 6 closed closed closed 50iMHz pins 1 & 2 pins 1 & 2, 5 pins 1 & 2 pins 1 & 2 closed & 6 closed closed closed 50MHz pins 2 & 3 pins 1 & 2, 5 pins 2 & 3 pins 2 & 3 closed & 6 closed closed closed 66iMHz pins 1 & 2 pins 1 & 2, 3 pins 1 & 2 pins 1 & 2 closed & 4 closed closed closed 80iMHz pins 2 & 3 pins 3 & 4, 5 pins 2 & 3 pins 2 & 3 closed & 6 closed closed closed VL BUS WAIT STATE CONFIGURATION » Wait states JP36 » 0 wait states pins 1 & 2 closed » 1 wait state pins 2 & 3 closed VL BUS SPEED CONFIGURATION » CPU speed JP37 » <= 33MHz pins 2 & 3 closed » > 33MHz pins 1 & 2 closed GREEN PC CONFIGURATION Setting J5 Reserved pins 1 & 2 closed Chassis fan power pins 3 & 4 closed Monitor power pins 5 & 6 closed VGA H-synch pins 7 & 8 closed VGA V-synch pins 9 & 10 closed