TMC RESEARCH CORPORATION IAT34PM Processor 80386DX/CX486DLC/80486SX/80487SX/ 80486DX/ODP486SX/80486DX2/ODP586SX Processor Speed 20/25/33/50 (Internal)/50/66 (Internal)MHz Chip Set OPTI Max. onboard DRAM 32MB SRAM Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port NPU Options 80387DX [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse J3 Video feature J12 connector Serial port J4 Speaker J14A Serial port J5 Power LED & keylock J14B Parallel port J6 Not used J14C VGA port J7 Turbo switch J14D Floppy drive interface J8 Turbo LED J14E IDE interface J10 Reset switch J14F External battery J11 IDE interface LED J14G, J13 USER CONFIGURABLE SETTINGS Function Jumper Position » Parallel port select unidirectional JP6 Pins 2 & 3 (printer) closed Parallel port select bi-directional JP6 Pins 1 & 2 closed » Floppy drive select TEAC brand JP7 & JP8 Pins 1 & 2 closed Floppy drive select Toshiba brand JP7 & JP8 Pins 2 & 3 closed » Monitor type select color JP11 Closed Monitor type select monochrome JP11 Open » SIMMs type select single density JP12 Pins 1 & 2 closed SIMMs type select double density JP12 Pins 2 & 3 closed » CMOS memory normal operation JP13 Pins 2 & 3 (Internal Battery) closed CMOS memory normal operation JP13 Open (External Battery) CMOS memory clear JP13 Pins 1 & 2 closed DRAM CONFIGURATION SINGLE DENSITY SIMMS Size Bank 0 Bank 1 Bank 2 Bank 3 JP12 1MB 256K x 36 NONE NONE NONE Pins 1 & 2 closed 2MB 256K x 36 256K x 36 256K x 36 NONE Pins 1 & 2 closed 2MB 512K x 36 NONE NONE NONE Pins 2 & 3 closed 3MB 256K x 36 256K x 36 256K x 36 NONE Pins 1 & 2 closed 4MB 1M x 36 NONE NONE NONE Pins 1 & 2 closed 5MB 1M x 36 256K x 36 NONE NONE Pins 1 & 2 closed 6MB 1M x 36 256K x 36 256K x 36 NONE Pins 1 & 2 closed 8MB 2M x 36 NONE NONE NONE Pins 2 & 3 closed 8MB 1M x 36 1M x 36 NONE NONE Pins 1 & 2 closed 9MB 1M x 36 1M x 36 256K x 36 NONE Pins 1 & 2 closed 10MB 512K x 36 2M x 36 NONE NONE Pins 2 & 3 closed 10MB 1M x 36 1M x 36 256K x 36 256K x 36 Pins 1 & 2 closed 12MB 1M x 36 1M x 36 1M x 36 NONE Pins 1 & 2 closed 13MB 1M x 36 1M x 36 1M x 36 256K x 36 Pins 1 & 2 closed 16MB 1M x 36 1M x 36 1M x 36 1M x 36 Pins 1 & 2 closed 16MB 2M x 36 2M x 36 NONE NONE Pins 2 & 3 closed 16MB 4M x 36 NONE NONE NONE Pins 1 & 2 closed 20MB 4M x 36 1M x36 NONE NONE Pins 1 & 2 closed 24MB 4M x 36 1M x36 1M x36 NONE Pins 1 & 2 closed 28MB 4M x 36 1M x36 1M x36 1M x36 Pins 1 & 2 closed 32MB 4M x 36 4M x 36 NONE NONE Pins 1 & 2 closed 32MB 8M x 36 NONE NONE NONE Pins 2 & 3 closed 36MB 4M x 36 4M x 36 1M x36 NONE Pins 1 & 2 closed 40MB 4M x 36 4M x 36 1M x36 1M x36 Pins 1 & 2 closed 40MB 8M x 36 2M x 36 NONE NONE Pins 2 & 3 closed 48MB 4M x 36 4M x 36 4M x 36 NONE Pins 1 & 2 closed 52MB 4M x 36 4M x 36 4M x 36 1M x36 Pins 1 & 2 closed 64MB 8M x 36 8M x 36 NONE NONE Pins 2 & 3 closed 64MB 4M x 36 4M x 36 4M x 36 4M x 36 Pins 1 & 2 closed 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) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE RN SOCKET CONFIGURATION Size RND1 RNE1 RNF1 64KB Installed Not installed Not installed 128KB Not installed Installed Not installed 256KB Not installed Not installed Installed I/O PORT CONFIGURATION IDE FDC LPT PORT1 PORT2 JP1 JP2 JP3 JP4 JP5 Primary Primary 1 COM1 COM2 Closed Open Open Open Open Primary Primary 2 COM1 COM2 Open Open Open Open Open Second. Primary 1 COM1 COM2 Open Closed Open Open Open Disabled Primary 1 COM1 COM2 Closed Open Closed Closed Open Disabled Primary 2 COM1 COM2 Open Open Closed Closed Open Primary Disabled 1 COM1 COM2 Closed Open Open Closed Closed Primary Disabled 2 COM1 COM2 Open Open Open Closed Closed Second. Disabled 1 COM1 COM2 Open Closed Open Closed Closed Disabled Disabled 1 COM1 COM2 Closed Open Closed Open Closed Disabled Disabled 2 COM1 COM2 Open Open Closed Open Closed Primary Primary 1 COM1 Disabled Closed Closed Closed Open Open Second. Primary 1 COM1 Disabled Open Open Open Open Open Primary Primary 2 COM1 Disabled Open Closed Closed Closed Open Primary Primary 2 COM2 COM3 Open Open Closed Open Open Disabled Primary 2 COM2 COM3 Closed Closed Closed Closed Open Primary Disabled 2 COM2 COM3 Open Open Closed Closed Closed Disabled Disabled 2 COM2 COM3 Closed Closed Closed Open Closed Primary Primary 1 COM3 COM4 Closed Closed Open Open Open Second. Primary 2 COM3 COM4 Closed Open Closed Open Open Second. Disabled 2 COM3 COM4 Closed Open Closed Closed Closed Disabled Primary 1 COM3 COM4 Open Closed Closed Closed Open Primary Disabled 1 COM3 COM4 Closed Closed Open Open Closed Disabled Disabled 1 COM3 COM4 Open Closed Closed Open Closed Primary Primary 1 COM3 Disabled Closed Open Open Closed Open Primary Primary 2 COM3 Disabled Open Closed Open Closed Open Second. Primary 2 COM3 Disabled Closed Closed Open Closed Open Primary Primary 1 Disabled Disabled Closed Open Open Open Closed Primary Primary 2 Disabled Disabled Open Open Open Open Closed Second. Primary 1 Disabled Disabled Open Closed Open Open Closed Second. Primary 2 Disabled Disabled Closed Closed Open Open Closed Disabled Primary Disabled Disabled Disabled Open Closed Closed Closed Closed Disabled Disabled Disabled Disabled Disabled Closed Closed Closed Closed Closed CPU SPEED CONFIGURATION CPU Speed RNG1 RNG2 RNG3 RNG4 RNG5 80386DX 33MHz Installed Not Not Not Not installed installed installed installed CX486SLC 33MHz Installed Not Not Not Not installed installed installed installed 80386DX 40MHz Not Installed Not Not Not installed installed installed installed CX486SLC 40MHz Not Installed Not Not Not installed installed installed installed 80486SX 25MHz Not Not Installed Not Not installed installed installed installed 80487SX 25MHz Not Not Installed Not Not installed installed installed installed 80486DX 25MHz Not Not Installed Not Not installed installed installed installed ODP486SX 25MHz Not Not Installed Not Not installed installed installed installed 80486DX2 50i Not Not Installed Not Not MHz installed installed installed installed ODP586SX 50i Not Not Installed Not Not MHz installed installed installed installed 80486SX 33MHz Not Not Not Installed Not installed installed installed installed 80487SX 33MHz Not Not Not Installed Not installed installed installed installed 80486DX 33MHz Not Not Not Installed Not installed installed installed installed 80486DX 50MHz Not Not Not Not Installed installed installed installed installed ODP486SX 33MHz Not Not Not Installed Not installed installed installed installed 80486DX2 66i Not Not Not Installed Not MHz installed installed installed installed ODP586SX 66i Not Not Not Installed Not MHz installed installed installed installed 80386 CPU TYPE CONFIGURATION CPU RNH1 RNH2 RN15 RN16 80386DX Installed Not Installed Not installed installed CX486SLC Not Installed Installed Not installed installed 80486 CPU TYPE CONFIGURATION CPU RNA1 RNB1 RNC1 RN15 RN16 80486SX Not Not Installed Not Installed installed installed installed 80487SX Not Installed Not Not Installed installed installed installed 80486DX Installed Not Not Not Installed installed installed installed ODP486SX Not Installed Not Not Installed installed installed installed 80486DX2 Installed Not Not Not Installed installed installed installed ODP586SX Not Installed Not Not Installed installed installed installed