SKYWELL TECHNOLOGY CORPORATION, LTD. PT2000AIO Processor CX486DX/AM486DX(PLUS)/TI486DX/CX486DX2/TI486DX2/AM486DX2/ 80486DX2/AM486DX4/CX486DX4/TI486DX4/80486DX4/SL80486DX4/P24D/P24T/CX5X86/CXM9/AM5X86 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Unidentified Video Chip Unidentified Set Maximum 64MB Onboard Memory Maximum 2MB Video Memory Cache 128/256/512/1024KB BIOS Award Dimensions 254mm x 218mm I/O Floppy drive interface, IDE interface, green PC connector, parallel port, serial Options ports (2), VGA feature connector, VGA port, riser slot, IR connector NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location IDE interface CN4 Auxiliary keyboard J10 connector Floppy drive CN5 VGA port J30 interface Parallel port CN6 VGA feature J31 connector Serial port 1 CN7 IDE interface LED JP21 Serial port 2 CN8 IR connector JP25 Reset switch J8 Riser slot SL1 Power LED & keylock J9 USER CONFIGURABLE SETTINGS Function Label Position » VGA address select normal JP12 Pins 1 & 2 closed operation VGA address select use A27 - JP12 Pins 2 & 3 closed A31 » CMOS memory normal operation JP23 Pins 1 & 2 closed CMOS memory clear JP23 Pins 2 & 3 closed » Factory configured - do not JP29 Unidentified alter » Factory configured - do not JP30 Unidentified alter DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (1) 256K x 36 None 2MB (1) 512K x 36 None 2MB (1) 256K x 36 (1) 256K x 36 3MB (1) 256K x 36 (1) 512K x 36 3MB (1) 512K x 36 (1) 256K x 36 4MB (1) 1M x 36 None 4MB (1) 512K x 36 (1) 512K x 36 5MB (1) 256K x 36 (1) 1M x 36 5MB (1) 1M x 36 (1) 256K x 36 6MB (1) 512K x 36 (1) 1M x 36 6MB (1) 1M x 36 (1) 512K x 36 8MB (1) 2M x 36 None 8MB (1) 1M x 36 (1) 1M x 36 9MB (1) 2M x 36 (1) 256K x 36 10MB (1) 2M x 36 (1) 512K x 36 12MB (1) 2M x 36 (1) 1M x 36 16MB (1) 4M x 36 None 17MB (1) 256K x 36 (1) 4M x 36 17MB (1) 4M x 36 (1) 256K x 36 18MB (1) 512K x 36 (1) 4M x 36 18MB (1) 4M x 36 (1) 512K x 36 20MB (1) 1M x 36 (1) 4M x 36 20MB (1) 4M x 36 (1) 1M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 24MB (1) 2M x 36 (1) 4M x 36 32MB (1) 8M x 36 None 32MB (1) 4M x 36 (1) 4M x 36 33MB (1) 256K x 36 (1) 8M x 36 33MB (1) 8M x 36 (1) 256K x 36 34MB (1) 512K x 36 (1) 8M x 36 34MB (1) 8M x 36 (1) 512K x 36 36MB (1) 1M x 36 (1) 8M x 36 36MB (1) 8M x 36 (1) 1M x 36 40MB (1) 2M x 36 (1) 8M x 36 48MB (1) 4M x 36 (1) 8M x 36 48MB (1) 8M x 36 (1) 4M x 36 64MB (1) 16M x 36 None 64MB (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 None (1) 8K 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 (A) (4) 64K x 8 (4) 64K x 8 (1) 32K x 8 512KB (B) (4) 128K x 8 None (1) 32K x 8 1MB (4) 128K x 8 (4) 128K x 8 (1) 64K x 8 CACHE JUMPER CONFIGURATION Size J1 J2 J3 128KB Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 256KB (A) Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 256KB (B) Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 512KB (A) Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 512KB (B) Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 1MB Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed CACHE JUMPER CONFIGURATION (CON’T) Size J4 J5 J6 J7 128KB Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 256KB (A) Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 256KB (B) Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed closed 512KB (A) Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 512KB (B) Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed closed 1MB Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed VIDEO MEMORY CONFIGURATION Size Bank 0 Bank 1 1MB 1MB None 2MB 1MB 1MB Note: The size of the chips are unidentified. CPU SPEED SELECTION Speed JP9 JP10 JP11 25MHz Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 33MHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 40MHz Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 50iMHz Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 50MHz Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed 66iMHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 75iMHz Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 100iMHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed CPU TYPE SELECTION Type JP1 JP2 JP4 JP5 JP6 CX486DX Open 1 & 2 1 & 2 1 & 2 1 & 2 AM486DX (PLUS) 1 & 2 1 & 2 2 & 3 2 & 3 1 & 2 TI486DX Open 1 & 2 1 & 2 1 & 2 1 & 2 CX486DX2 Open 1 & 2 1 & 2 1 & 2 1 & 2 TI486DX2 Open 1 & 2 1 & 2 1 & 2 1 & 2 AM486DX2 1 & 2 1 & 2 2 & 3 2 & 3 1 & 2 80486DX2 Open 1 & 2 1 & 2 Open 1 & 2 AM486DX4 1 & 2 1 & 2 2 & 3 2 & 3 1 & 2 CX486DX4 Open 1 & 2 1 & 2 1 & 2 1 & 2 TI486DX4 Open 1 & 2 1 & 2 1 & 2 1 & 2 80486DX4 Open 1 & 2 1 & 2 Open 1 & 2 SL80486DX4 Open 1 & 2 1 & 2 Open 1 & 2 P24D 1 & 2 1 & 2 1 & 2 2 & 3 1 & 2 P24T 1 & 2 1 & 2 1 & 2 2 & 3 1 & 2 CX5X86 1 & 2 1 & 2 1 & 2 2 & 3 1 & 2 CX M9 Open 1 & 2 1 & 2 2 & 3 1 & 2 AM5X86 1 & 2 1 & 2 2 & 3 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (CON’T) Type JP7 JP35 RN1 RN1 RN3 CX486DX 1 & 1 & 2 Not Installed Not 2 installed installed AM486DX 1 & 1 & 2 Not Not Installed (PLUS) 2 installed installed TI486DX 1 & 1 & 2 Not Installed Not 2 installed installed CX486DX2 1 & 1 & 2 Not Installed Not 2 installed installed TI486DX2 1 & 1 & 2 Not Installed Not 2 installed installed AM486DX2 1 & 1 & 2 Not Not Installed 2 installed installed 80486DX2 1 & 2 & 3 Not Not Installed 2 installed installed AM486DX4 1 & 1 & 2 Not Not Installed 2 installed installed CX486DX4 1 & 1 & 2 Not Installed Not 2 installed installed TI486DX4 1 & 1 & 2 Not Installed Not 2 installed installed 80486DX4 1 & 1 & 2 Not Not Installed 2 installed installed SL80486DX4 1 & 1 & 2 Not Not Installed 2 installed installed P24D 1 & 1 & 2 Not Not Installed 2 installed installed P24T 1 & 1 & 2 Not Not Installed 2 installed installed CX5X86 1 & 1 & 2 Not Not Installed 2 installed installed CX M9 1 & 1 & 2 Not Not Installed 2 installed installed AM5X86 1 & 1 & 2 Not Not Installed 2 installed installed Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage J25 JP24 3.3v Open Pins 2 & 3 closed 3.45v Open Pins 1 & 2 closed 5v Pins 1 & 2 closed Open SERIAL PORT RI SELECTION Setting J26 (COM1) J27 (COM2) 5v Pins 1 & 2 closed Pins 1 & 2 closed RI Pins 2 & 3 closed Pins 2 & 3 closed SERIAL PORT DCD SELECTION Setting J28 (COM1) J29 (COM2) 5v Pins 1 & 2 closed Pins 1 & 2 closed DCD Pins 2 & 3 closed Pins 2 & 3 closed