DTK COMPUTER, INC.
PKM-0038S (VER. 6.03)
| 
 Processor  | 
 CX486S/UMCU5/80486SX/SL80486SX/CX486DX/80486DX/ SL80486DX/CX486DX2/TI486DX2/AM486DX2/80486DX2/ (SL)AM486DX2(SV8B)/SL80486DX2/IBM486-4V3011GIC/ IBM4864V3100GC/CX486DX4/AM486DX4/(SL)AM486DX4(SV8B)/ 80486DX4/P24C/P24D/P24T/CX5X86/AMK5  | 
| 
 Processor Speed  | 
 20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)/133(internal)MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 128MB  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 128/256/512KB  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 250mm x 218mm  | 
| 
 I/O Options  | 
 32-bit VESA local bus slots (3), green PC connector  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J1  | 
 Reset switch  | 
 J6  | 
| 
 Green PC connector  | 
 J2  | 
 Power LED & keylock  | 
 J7  | 
| 
 Turbo switch  | 
 J3  | 
 Green PC connector  | 
 JP26  | 
| 
 Turbo LED  | 
 J4  | 
 Green PC LED  | 
 JP27  | 
| 
 Speaker  | 
 J5  | 
 32-bit VESA local bus slots  | 
 SL1 - SL3  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Turbo enabled  | 
 J3  | 
 Pins 2 & 3 closed  | 
| 
 Turbo disabled  | 
 J3  | 
 Pins 1 & 2 closed  | |
| 
 »  | 
 CMOS memory normal operation  | 
 JP16  | 
 Pins 1 & 2 closed  | 
| 
 CMOS memory clear  | 
 JP16  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 Monitor type select monochrome/EGA/VGA  | 
 JP17  | 
 Open  | 
| 
 Monitor type select CGA  | 
 JP17  | 
 Closed  | |
| 
 »  | 
 CPU clock delay select CLKIN delayed for CPUCLK  | 
 JP20  | 
 Pins 2 & 3 closed  | 
| 
 CPU clock delay select CLKIN = CPUCLK  | 
 JP20  | 
 Pins 1 & 2 closed  | |
| 
 »  | 
 BIOS type select EPROM  | 
 JP37  | 
 Open  | 
| 
 Flash BIOS type select 12v  | 
 JP37  | 
 Pins 1 & 2 closed  | |
| 
 Flash BIOS type select 5v  | 
 JP37  | 
 Pins 2 & 3 closed  | |
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 1MB  | 
 (1) 256K x 36  | 
 None  | 
 None  | 
 None  | 
| 
 2MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 None  | 
 None  | 
| 
 2MB  | 
 (1) 512K x 36  | 
 None  | 
 None  | 
 None  | 
| 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 512K x 36  | 
 None  | 
| 
 4MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 None  | 
 None  | 
| 
 4MB  | 
 (1) 1M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 5MB  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
 None  | 
 None  | 
| 
 6MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
 None  | 
| 
 6MB  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 None  | 
 None  | 
| 
 8MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
| 
 8MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 None  | 
| 
 8MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 None  | 
 None  | 
| 
 8MB  | 
 (1) 2M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 10MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 12MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 12MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 None  | 
| 
 12MB  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
 None  | 
 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  | 
| 
 16MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 None  | 
 None  | 
| 
 DRAM CONFIGURATION (CON’T)  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 16MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
 None  | 
| 
 17MB  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
 None  | 
 None  | 
| 
 18MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
 None  | 
| 
 18MB  | 
 (1) 512K x 36  | 
 (1) 4M x 36  | 
 None  | 
 None  | 
| 
 20MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 4M x 36  | 
 None  | 
| 
 20MB  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
 None  | 
 None  | 
| 
 20MB  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 None  | 
| 
 24MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
| 
 24MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
 None  | 
| 
 24MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 None  | 
| 
 24MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 24MB  | 
 (1) 2M x 36  | 
 (1) 4M x 36  | 
 None  | 
 None  | 
| 
 28MB  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 32MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 None  | 
 None  | 
| 
 32MB  | 
 (1) 8M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 32MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 4M x 36  | 
 None  | 
| 
 32MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 36MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 36MB  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 None  | 
| 
 36MB  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
 None  | 
 None  | 
| 
 40MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 40MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
 None  | 
| 
 40MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 4M x 36  | 
| 
 48MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 None  | 
| 
 48MB  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 None  | 
 None  | 
| 
 48MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 48MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 8M x 36  | 
 None  | 
| 
 64MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 64MB  | 
 (1) 16M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 64MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 None  | 
| 
 64MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 None  | 
 None  | 
| 
 65MB  | 
 (1) 256K x 36  | 
 (1) 16M x 36  | 
 None  | 
 None  | 
| 
 68MB  | 
 (1) 1M x 36  | 
 (1) 16M x 36  | 
 None  | 
 None  | 
| 
 68MB  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 None  | 
| 
 72MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 16M x 36  | 
 None  | 
| 
 72MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 80MB  | 
 (1) 4M x 36  | 
 (1) 16M x 36  | 
 None  | 
 None  | 
| 
 80MB  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 None  | 
| 
 80MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 96MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 16M x 36  | 
 None  | 
| 
 96MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 96MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 None  | 
| 
 128MB  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
 None  | 
 None  | 
| 
 128MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (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) 16K/32K x 8  | 
| 
 256KB (B)  | 
 (4) 64K x 8  | 
 None  | 
 (1) 16K/32K x 8  | 
| 
 512KB  | 
 (4) 128K x 8  | 
 None  | 
 (1) 32K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | |||
| 
 Size  | 
 JP1  | 
 JP3  | 
 JP33  | 
| 
 128KB  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2, 3 & 4 closed  | 
 Pins 2 & 3 closed  | 
| 
 256KB (D)  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3, 4 & 5 closed  | 
 Pins 2 & 3 closed  | 
| 
 256KB (S)  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2, 3 & 4 closed  | 
 Pins 1 & 2 closed  | 
| 
 512KB  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2, 3 & 4 closed  | 
 Pins 2 & 3 closed  | 
| 
 Note: Cache size 256KB (D) is double bank. Size 256KB (S) is single bank.  | |||
| 
 CACHE TAG JUMPER CONFIGURATION  | |||
| 
 Cache size  | 
 TAG size  | 
 JP2  | 
 JP4  | 
| 
 128KB  | 
 (1) 8K x 8  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 256KB (S/D)  | 
 (1) 16K x 8 (Not Winbond)  | 
 Pins 3 & 4 closed  | 
 Open  | 
| 
 256KB (S/D)  | 
 (1) 16K x 8 (Winbond)  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
| 
 256KB (S/D)  | 
 (1) 32K x 8  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
| 
 512KB  | 
 (1) 32K x 8  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
| 
 CPU SPEED SELECTION (AV9107)  | |||
| 
 Speed  | 
 JP5  | 
 JP6  | 
 JP7  | 
| 
 20MHz  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 25MHz  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 33MHz  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 40MHz  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 50iMHz  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 50MHz  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 66iMHz  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 75iMHz  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 80iMHz  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 100iMHz  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 120iMHz  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 133iMHz  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 CPU SPEED SELECTION (MX8315)  | |||
| 
 Speed  | 
 JP5  | 
 JP6  | 
 JP7  | 
| 
 20MHz  | 
 Open  | 
 Open  | 
 Open  | 
| 
 25MHz  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 33MHz  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 40MHz  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 50iMHz  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 50MHz  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 66iMHz  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 75iMHz  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 80iMHz  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 100iMHz  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 120iMHz  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 133iMHz  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 CPU TYPE SELECTION  | ||||
| 
 Type  | 
 JP8  | 
 JP10  | 
 JP11  | 
 JP12  | 
| 
 CX486S  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 2 & 3, 4 & 5  | 
| 
 UMC U5  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 1 & 2, 3 & 4  | 
 Open  | 
| 
 80486SX  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 3 & 4  | 
| 
 SL80486SX  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 3 & 4  | 
| 
 CX486DX  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 2 & 3  | 
| 
 80486DX  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 3 & 4  | 
| 
 SL80486DX  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 3 & 4  | 
| 
 CX486DX2  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 2 & 3  | 
| 
 CX486DX2-66 (3.6v)  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 2 & 3  | 
| 
 CX486DX2-80 (4v)  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 2 & 3  | 
| 
 TI486DX2  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 2 & 3  | 
| 
 AM486DX2 (3.45v)  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 Open  | 
| 
 80486DX2  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 3 & 4  | 
| 
 (SL)AM486DX2 (SV8B)  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
| 
 SL80486DX2  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 3 & 4  | 
| 
 IBM486-4V3011GIC  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
| 
 IBM486-4V3100GC  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 2 & 3  | 
| 
 CX486DX4  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 2 & 3  | 
| 
 AM486DX4 (3.45v)  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 Open  | 
| 
 (SL)AM486DX4 (SV8B)  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
| 
 80486DX4  | 
 1 & 2, 3 & 4  | 
 1 & 2  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
| 
 P24C  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 3 & 4  | 
| 
 P24D  | 
 1 & 2, 3 & 4  | 
 1 & 2  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
| 
 P24T  | 
 1 & 2, 3 & 4  | 
 1 & 2  | 
 2 & 3  | 
 3 & 4  | 
| 
 CX5X86  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
| 
 AM X5  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
| 
 Note: Pins designated should be in the closed position.  | ||||
| 
 CPU TYPE SELECTION (CON’T)  | |||||
| 
 Type  | 
 JP13  | 
 JP14  | 
 JP15  | 
 JP21  | 
 JP22  | 
| 
 CX486S  | 
 Open  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 UMC U5  | 
 Open  | 
 Open  | 
 Open  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486SX  | 
 1 & 2  | 
 2 & 3  | 
 4 & 5  | 
 2 & 3  | 
 1 & 2  | 
| 
 SL80486SX  | 
 1 & 2  | 
 2 & 3  | 
 4 & 5  | 
 2 & 3  | 
 1 & 2  | 
| 
 CX486DX  | 
 Open  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486DX  | 
 1 & 2  | 
 2 & 3  | 
 4 & 5  | 
 2 & 3  | 
 1 & 2  | 
| 
 SL80486DX  | 
 1 & 2  | 
 2 & 3  | 
 4 & 5  | 
 2 & 3  | 
 1 & 2  | 
| 
 CX486DX2  | 
 Open  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 CX486DX2-66 (3.6v)  | 
 Open  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 CX486DX2-80 (4v)  | 
 Open  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 TI486DX2  | 
 Open  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 AM486DX2 (3.45v)  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 80486DX2  | 
 1 & 2  | 
 2 & 3  | 
 4 & 5  | 
 2 & 3  | 
 1 & 2  | 
| 
 (SL)AM486DX2 (SV8B)  | 
 2 & 3  | 
 2 & 3  | 
 4 & 5  | 
 1 & 2  | 
 1 & 2  | 
| 
 SL80486DX2  | 
 1 & 2  | 
 2 & 3  | 
 4 & 5  | 
 2 & 3  | 
 1 & 2  | 
| 
 IBM486-4V3011GIC  | 
 2 & 3  | 
 2 & 3  | 
 4 & 5  | 
 1 & 2  | 
 1 & 2  | 
| 
 IBM486-4V3100GC  | 
 Open  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 CX486DX4  | 
 Open  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 AM486DX4 (3.45v)  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 (SL)AM486DX4 (SV8B)  | 
 2 & 3  | 
 2 & 3  | 
 4 & 5  | 
 1 & 2  | 
 1 & 2  | 
| 
 80486DX4  | 
 2 & 3  | 
 2 & 3  | 
 4 & 5  | 
 1 & 2  | 
 1 & 2  | 
| 
 P24C  | 
 1 & 2  | 
 2 & 3  | 
 4 & 5  | 
 2 & 3  | 
 1 & 2  | 
| 
 P24D  | 
 2 & 3  | 
 2 & 3  | 
 4 & 5  | 
 1 & 2  | 
 1 & 2  | 
| 
 P24T  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
| 
 CX5X86  | 
 2 & 3  | 
 2 & 3  | 
 4 & 5  | 
 1 & 2  | 
 1 & 2  | 
| 
 AM X5  | 
 2 & 3  | 
 2 & 3  | 
 4 & 5  | 
 1 & 2  | 
 1 & 2  | 
| 
 Note: Pins designated should be in the closed position.  | |||||
| 
 CPU TYPE SELECTION (CON’T)  | ||||
| 
 Type  | 
 JP24  | 
 JP25  | 
 JP30  | 
 JP31  | 
| 
 CX486S  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 Open  | 
| 
 UMC U5  | 
 3 & 4  | 
 Open  | 
 Open  | 
 Open  | 
| 
 80486SX  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 SL80486SX  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 CX486DX  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 Open  | 
| 
 80486DX  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 SL80486DX  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 CX486DX2  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 Open  | 
| 
 CX486DX2-66 (3.6v)  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 Open  | 
| 
 CX486DX2-80 (4v)  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 Open  | 
| 
 TI486DX2  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 Open  | 
| 
 AM486DX2 (3.45v)  | 
 Open  | 
 Open  | 
 2 & 3  | 
 Open  | 
| 
 80486DX2  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 (SL)AM486DX2 (SV8B)  | 
 Open  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
| 
 SL80486DX2  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IBM486-4V3011GIC  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
| 
 IBM486-4V3100GC  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 Open  | 
| 
 CX486DX4  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 Open  | 
| 
 AM486DX4 (3.45v)  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 (SL)AM486DX4 (SV8B)  | 
 Open  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
| 
 80486DX4  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
| 
 P24C  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 P24D  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
| 
 P24T  | 
 1 & 2  | 
 1 & 2  | 
 Open  | 
 Open  | 
| 
 CX5X86  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
| 
 AM X5  | 
 5 & 6  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
| 
 Note: Pins designated should be in the closed position.  | ||||
| 
 CPU TYPE SELECTION (CON’T)  | ||||
| 
 Type  | 
 JP34  | 
 JP35  | 
 JP36  | 
 JP38  | 
| 
 CX486S  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 UMC U5  | 
 2 & 3  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 80486SX  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 SL80486SX  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 CX486DX  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 80486DX  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 SL80486DX  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 CX486DX2  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 CX486DX2-66 (3.6v)  | 
 1 & 2  | 
 Open  | 
 1 & 2  | 
 Open  | 
| 
 CX486DX2-80 (4v)  | 
 1 & 2  | 
 Open  | 
 2 & 3  | 
 Open  | 
| 
 TI486DX2  | 
 1 & 2  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 AM486DX2 (3.45v)  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 80486DX2  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 (SL)AM486DX2 (SV8B)  | 
 1 & 2  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 SL80486DX2  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 IBM486-4V3011GIC  | 
 1 & 2  | 
 Open  | 
 Open  | 
 1 & 2  | 
| 
 IBM486-4V3100GC  | 
 1 & 2  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 CX486DX4  | 
 1 & 2  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 AM486DX4 (3.45v)  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 (SL)AM486DX4 (SV8B)  | 
 1 & 2  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 80486DX4  | 
 1 & 2  | 
 Open  | 
 Open  | 
 1 & 2  | 
| 
 P24C  | 
 1 & 2  | 
 Open  | 
 Open  | 
 1 & 2  | 
| 
 P24D  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 P24T  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 CX5X86  | 
 1 & 2  | 
 Open  | 
 Open  | 
 1 & 2  | 
| 
 AM X5  | 
 1 & 2  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 Note: Pins designated should be in the closed position.  | ||||
| 
 VL BUS WAIT STATE SELECTION  | ||
| 
 Setting  | 
 JP28  | |
| 
 0  | 
 Pins 1 & 2 closed  | |
| » | 
 1  | 
 Pins 2 & 3 closed  | 
| 
 VL BUS SPEED SELECTION  | ||
| 
 Setting  | 
 JP29  | |
| 
 <= 33MHz  | 
 Pins 1 & 2 closed  | |
| » | 
 >33 MHz  | 
 Pins 2 & 3 closed  |