AMERICAN MEGATRENDS, INC.
SUPER VOYAGER VLB-III ISA
| 
 Processor  | 
 80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium Overdrive  | 
| 
 Processor Speed  | 
 25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz  | 
| 
 Chip Set  | 
 AMI  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 64/256KB  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 32-bit VESA local bus slots (2), floppy drive interface, green PC connector, IDE interface, parallel port, PS/2 mouse interface, serial ports (2)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 PS/2 mouse interface  | 
 J1  | 
 Speaker  | 
 J27  | 
| 
 IDE interface LED  | 
 J2  | 
 Power LED & keylock  | 
 J31  | 
| 
 Green PC connector (power)  | 
 J3  | 
 Reset switch  | 
 J32  | 
| 
 Parallel port  | 
 J5  | 
 Turbo switch  | 
 J33  | 
| 
 Floppy drive interface  | 
 J8  | 
 Password LED  | 
 J38  | 
| 
 IDE interface  | 
 J9  | 
 Turbo LED  | 
 J40  | 
| 
 External battery  | 
 J10  | 
 Green PC connector (monitor)  | 
 J47  | 
| 
 Serial port 1  | 
 J13  | 
 32-bit VESA local bus slots  | 
 SL1 & SL2  | 
| 
 Serial port 2  | 
 J14  | ||
| 
 Note: The locations of J2 & J3 are unidentified.  | |||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J11  | 
 Open  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J12  | 
 Open  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J18  | 
 Open  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J15  | 
 Open  | 
| 
 »  | 
 Parallel port IRQ select IRQ7  | 
 J22  | 
 pins 1 & 2 closed  | 
| 
 Parallel port IRQ select IRQ5  | 
 J22  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J26  | 
 Open  | 
| 
 »  | 
 Serial port 2 IRQ select IRQ3  | 
 J28  | 
 pins 1 & 2 closed  | 
| 
 Serial port 2 IRQ select IRQ4  | 
 J28  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Serial port 1 IRQ select IRQ4  | 
 J29  | 
 pins 1 & 2 closed  | 
| 
 Serial port 1 IRQ select IRQ3  | 
 J29  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 On board mouse enabled  | 
 J30  | 
 pins 1 & 2 closed  | 
| 
 On board mouse disabled  | 
 J30  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Password LED is used on front panel  | 
 J39  | 
 pins 1 & 2 closed  | 
| 
 Password LED using J38  | 
 J39  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 CPU type select PGA  | 
 J42  | 
 pins 1 & 2 closed  | 
| 
 CPU type select PQFP  | 
 J42  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 CMOS memory normal operation  | 
 J48  | 
 pins 1 & 2 closed  | 
| 
 CMOS memory clear  | 
 J48  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 BIOS type select 27256  | 
 J51  | 
 pins 1 & 2 closed  | 
| 
 BIOS type select 27512  | 
 J51  | 
 pins 2 & 3 closed  | |
| 
 Note: The locations of J26 & J39 are unidentified.  | |||
| 
 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  | 
| 
 16MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 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) 4M x 36  | 
 NONE  | 
 NONE  | 
 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  | 
| 
 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  | 
| 
 32MB  | 
 (1) 2M 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  | 
| 
 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  | 
| 
 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  | 
| 
 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  | 
| 
 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  | 
| 
 64KB  | 
 (4) 8K x 8  | 
 (4) 8K x 8  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | ||||
| 
 Size  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 64KB  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 256KB  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 CPU TYPE CONFIGURATION  | ||||
| 
 Type  | 
 J19  | 
 J37  | 
 J43  | 
 J54  | 
| 
 80486SX  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Open  | 
 N/A  | 
| 
 80487SX  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 80486DX/DX2  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Open  | 
 1 & 2  | 
| 
 80486DX4 (2x)  | 
 2 & 3  | 
 1 & 2  | 
 Open  | 
 1 & 2  | 
| 
 80486DX4 (2.5x)  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 1 & 2  | 
| 
 80486DX4 (3x)  | 
 2 & 3  | 
 Open  | 
 Open  | 
 1 & 2  | 
| 
 P23T  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 P4S, P23S, P24S  | 
 2 & 3  | 
 Open  | 
 Open  | 
 1 & 2  | 
| 
 P24CT  | 
 3 & 4  | 
 Open  | 
 Closed  | 
 2 & 3  | 
| 
 P24D  | 
 3 & 4  | 
 Open  | 
 Closed  | 
 1 & 2  | 
| 
 Pentium Overdrive  | 
 3 & 4  | 
 Open  | 
 Closed  | 
 2 & 3  | 
| 
 Note: Pins designated should be in the closed position.  | ||||
| 
 CPU TYPE CONFIGURATION (CON'T)  | |||
| 
 Type  | 
 J55  | 
 J56  | 
 J57  | 
| 
 80486SX  | 
 2 & 3  | 
 Open  | 
 1 & 2, 3 & 4, 5 & 6  | 
| 
 80487SX  | 
 1 & 2, 3 & 4  | 
 Open  | 
 1 & 2, 3 & 4, 5 & 6  | 
| 
 80486DX/DX2  | 
 1 & 2, 3 & 4  | 
 Open  | 
 1 & 2, 3 & 4, 5 & 6  | 
| 
 80486DX4 (2x)  | 
 1 & 2, 3 & 4  | 
 1 & 2, 3 & 4, 5 & 6  | 
 Open  | 
| 
 80486DX4 (2.5x)  | 
 1 & 2, 3 & 4  | 
 1 & 2, 3 & 4, 5 & 6  | 
 Open  | 
| 
 80486DX4 (3x)  | 
 1 & 2, 3 & 4  | 
 1 & 2, 3 & 4, 5 & 6  | 
 Open  | 
| 
 P23T  | 
 1 & 2, 3 & 4  | 
 Open  | 
 1 & 2, 3 & 4, 5 & 6  | 
| 
 P4S, P23S, P24S  | 
 1 & 2, 3 & 4  | 
 Open  | 
 1 & 2, 3 & 4, 5 & 6  | 
| 
 P24CT  | 
 1 & 2, 3 & 4  | 
 1 & 2, 3 & 4, 5 & 6  | 
 Open  | 
| 
 P24D  | 
 1 & 2, 3 & 4  | 
 1 & 2, 3 & 4, 5 & 6  | 
 1 & 2, 3 & 4, 5 & 6  | 
| 
 Pentium Overdrive  | 
 1 & 2, 3 & 4  | 
 Open  | 
 1 & 2, 3 & 4, 5 & 6  | 
| 
 Note: Pins designated should be in the closed position.  | |||
| 
 VESA SPEED (ID2 & ID3) CONFIGURATION  | ||
| 
 Speed  | 
 J16 (ID3)  | 
 J17 (iD2)  | 
| 
 25MHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 33MHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 40MHz  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 50iMHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 50MHz  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 66iMHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 75iMHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 100iMHz  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 DMA CONFIGURATION  | ||
| 
 DMA  | 
 J41  | 
 J44  | 
| 
 None  | 
 Open  | 
 Open  | 
| 
 DRQ0  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 DRQ1  | 
 pins 3 & 4 closed  | 
 pins 3 & 4 closed  | 
| 
 DRQ3  | 
 pins 5 & 6 closed  | 
 pins 5 & 6 closed  |