TMC RESEARCH CORPORATION
PCI48AL (VER. 0.10)
| 
 Processor  | 
 80486SX/SL80486SX//80487SX/CX486DX/80486DX/AM486DXL/SL80486DX/ODP486SX/CX486DX2/80486DX2/SL80486DX2/80486DX4/P24C/P24D/ P24CP/Pentium Overdrive  | 
| 
 Processor Speed  | 
 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 128/256KB  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 CN1  | 
 Turbo switch  | 
 J12 pins 7 & 17  | 
| 
 Serial port 2  | 
 CN2  | 
 Turbo LED  | 
 J12 pins 8 & 18  | 
| 
 Parallel port  | 
 CN3  | 
 Reset switch  | 
 J12 pins 9 & 19  | 
| 
 Floppy drive interface  | 
 CN4  | 
 IDE interface LED  | 
 J12 pins 10 & 20  | 
| 
 IDE interface (primary)  | 
 CN5  | 
 Power LED & keylock  | 
 J12 pins 11 -15  | 
| 
 IDE interface (secondary)  | 
 CN6  | 
 32-bit PCI slots  | 
 PCI1 - PCI3  | 
| 
 External battery  | 
 J9  | 
 Green PC connector  | 
 SW  | 
| 
 Speaker  | 
 J12 pins 1 - 4  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Battery type select internal  | 
 JP1  | 
 pins 2 & 3 closed  | 
| 
 Battery type select external  | 
 JP1  | 
 Open  | |
| 
 CMOS memory clear  | 
 JP1  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 IDE interface enabled  | 
 JP2  | 
 Closed  | 
| 
 IDE interface disabled  | 
 JP2  | 
 Open  | |
| 
 »  | 
 BIOS type select normal  | 
 JP3  | 
 pins 2 & 3 closed  | 
| 
 BIOS type select flash  | 
 JP3  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 Monitor type select color  | 
 JP8  | 
 Closed  | 
| 
 Monitor type select monochrome  | 
 JP8  | 
 Open  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP11  | 
 N/A  | 
| 
 »  | 
 Factory configured - do not alter  | 
 W1  | 
 N/A  | 
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 2MB  | 
 NONE  | 
 NONE  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 2MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (1) 512K x 36  | 
| 
 4MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (1) 1M x 36  | 
| 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
 (1) 512K x 36  | 
| 
 4MB  | 
 NONE  | 
 (1) 512K x 36  | 
 NONE  | 
 (1) 512K x 36  | 
| 
 5MB  | 
 NONE  | 
 NONE  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
| 
 6MB  | 
 NONE  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 6MB  | 
 NONE  | 
 (1) 1M x 36  | 
 NONE  | 
 (1) 512K x 36  | 
| 
 8MB  | 
 NONE  | 
 NONE  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 8MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (1) 2M x 36  | 
| 
 10MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 10MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 (1) 512K x 36  | 
| 
 10MB  | 
 NONE  | 
 (1) 2M x 36  | 
 NONE  | 
 (1) 512K x 36  | 
| 
 12MB  | 
 NONE  | 
 (1) 2M x 36  | 
 NONE  | 
 (1) 1M x 36  | 
| 
 16MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (1) 4M x 36  | 
| 
 16MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 16MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 (1) 2M x 36  | 
| 
 16MB  | 
 NONE  | 
 (1) 2M x 36  | 
 NONE  | 
 (1) 2M x 36  | 
| 
 DRAM CONFIGURATION (CON’T)  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 17MB  | 
 NONE  | 
 NONE  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
| 
 20MB  | 
 NONE  | 
 NONE  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
| 
 32MB  | 
 NONE  | 
 NONE  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 32MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (1) 8M x 36  | 
| 
 64MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (1) 16M x 36  | 
| 
 64MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 64MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
 (1) 8M x 36  | 
| 
 64MB  | 
 NONE  | 
 (1) 8M x 36  | 
 NONE  | 
 (1) 8M x 36  | 
| 
 128MB  | 
 NONE  | 
 NONE  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
| 
 128MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (1) 32M x 36  | 
| 
 CACHE CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 TAG  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 (1) 8K x 8  | 
| 
 256KB  | 
 (4) 64K x 8  | 
 (1) 16K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | |||
| 
 Size  | 
 RNC1  | 
 RNC2  | 
 RNC3  | 
| 
 128KB  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 256KB  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
| 
 CPU TYPE CONFIGURATION  | |||||
| 
 Type  | 
 RNA1  | 
 RNA2  | 
 RNA3  | 
 RNA4  | 
 RNA5  | 
| 
 80486SX  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 SL80486SX  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 80487SX  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
| 
 CX486DX  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 80486DX  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 AM486DXL  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 SL80486DX  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 ODP486SX  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
| 
 CX486DX2  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 80486DX2  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 SL80486DX2  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 P24C  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 P24D  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 P24CT  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
| 
 Pentium Overdrive  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
| 
 CPU TYPE CONFIGURATION (CON’T)  | ||||
| 
 Type  | 
 RNB1  | 
 RNB2  | 
 RNB3  | 
 RNB4  | 
| 
 80486SX  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 SL80486SX  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 80487SX  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 CX486DX  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
| 
 80486DX  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 AM486DXL  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
| 
 SL80486DX  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 ODP486SX  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 CX486DX2  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
| 
 80486DX2  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 SL80486DX2  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 P24C  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 P24D  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 P24CT  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 Pentium Overdrive  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 CPU TYPE CONFIGURATION (CON’T)  | |||
| 
 Type  | 
 JP6  | 
 JP7  | 
 JP11  | 
| 
 80486SX  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 SL80486SX  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 80487SX  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 CX486DX  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 80486DX  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 AM486DXL 2x  | 
 Open  | 
 Closed  | 
 pins 1 & 2 closed  | 
| 
 AM486DXL 3x  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 SL80486Dx  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 ODP486SX  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 CX486DX2 2x  | 
 Closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 CX486DX2  | 
 Closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 CX486DX2 3x  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 CX486DX2 (3v)  | 
 Open  | 
 Open  | 
 pins 2 & 3 closed  | 
| 
 CX486DX2 (3.3v)  | 
 Open  | 
 Open  | 
 pins 2 & 3 closed  | 
| 
 80486DX2  | 
 Closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 SL80486DX2  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 CX486DX4  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 P24C  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 AM486DXL (3.3v)  | 
 Open  | 
 Closed  | 
 pins 1 & 2 closed  | 
| 
 P24C 2x  | 
 Closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 P24C 3x  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 P24D  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 P24CT  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 Pentium Overdrive  | 
 Open  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 CPU SPEED CONFIGURATION  | ||||
| 
 Speed  | 
 RND1  | 
 RND2  | 
 RND3  | 
 RND4  | 
| 
 25MHz  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 33MHz  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 40MHz  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
| 
 50iMHz  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 50MHz  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
| 
 66iMHz  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 75iMHz  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
| 
 100iMHz  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 CPU VOLTAGE CONFIGURATION  | ||
| 
 Voltage  | 
 JP9  | 
 JP10  | 
| 
 3.145v - 3.6v  | 
 Open  | 
 Closed  | 
| 
 4.0v  | 
 Closed  | 
 Open  | 
| 
 DRQ/DACK CONFIGURATION  | ||
| 
 DRQ/DACK  | 
 JP4  | 
 JP5  | 
| 
 DRQ1/DACK1  | 
 pins 1 & 2 closed  | 
 pins 1 & 4 closed  | 
| 
 DRQ3/DACK3  | 
 pins 3 & 4 closed  | 
 pins 2 & 5 closed  |