MICRONICS COMPUTERS, INC.
M54HI, M54HI (REV. 2A)
| 
 Processor  | 
 Pentium  | 
| 
 Processor Speed  | 
 75/90/100/120MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 256/512KB  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 IDE interface (secondary)  | 
 J6  | 
 Speaker  | 
 J33  | 
| 
 IDE interface (primary)  | 
 J7  | 
 IDE interface LED  | 
 J34  | 
| 
 Parallel port  | 
 J12  | 
 Power LED & keylock  | 
 J35  | 
| 
 Serial port 1  | 
 J13  | 
 PS/2 mouse port  | 
 J38  | 
| 
 Serial port 2  | 
 J14  | 
 Turbo LED  | 
 J39  | 
| 
 Floppy drive interface  | 
 J15  | 
 32-bit PCI slots  | 
 PC1 - PC4  | 
| 
 Reset switch  | 
 J32  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J1  | 
 N/A  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J37  | 
 N/A  | 
| 
 »  | 
 BIOS boot block select normal  | 
 W10  | 
 pins 2 & 3 closed  | 
| 
 BIOS boot block select reversed  | 
 W10  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 Flash BIOS write protect enabled  | 
 W11  | 
 Open  | 
| 
 Flash BIOS write protect disabled  | 
 W11  | 
 Closed  | |
| 
 »  | 
 CMOS memory normal operation  | 
 W12  | 
 Open  | 
| 
 CMOS memory clear  | 
 W12  | 
 Closed  | |
| 
 »  | 
 Monitor type select color  | 
 W16  | 
 Closed  | 
| 
 Monitor type select monochrome  | 
 W16  | 
 Open  | |
| 
 »  | 
 PS/2 mouse not installed  | 
 W17  | 
 Open  | 
| 
 PS/2 mouse installed  | 
 W17  | 
 Closed  | |
| 
 Note: The location of J1 is unidentified.  | |||
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 NONE  | 
| 
 16MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 NONE  | 
| 
 24MB  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 NONE  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 40MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
| 
 48MB  | 
 (2) 4M x 36  | 
 (2) 2M x 36  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 NONE  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 72MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
| 
 80MB  | 
 (2) 8M x 36  | 
 (2) 2M x 36  | 
| 
 96MB  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 CACHE CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
| 
 512KB  | 
 (4) 64K x 8  | 
 (4) 64K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | |||
| 
 Size  | 
 W8  | 
 W9  | 
 W24  | 
| 
 None  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
| 
 256KB  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 512KB  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 Note: The location of W24 is unidentified.  | |||
| 
 CACHE TYPE CONFIGURATION  | ||
| 
 Setting  | 
 W6  | 
 W7  | 
| 
 Pipeline burst  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 Asynchronous  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 Burst  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 CPU SPEED CONFIGURATION  | |||
| 
 Speed  | 
 W4  | 
 W5  | 
 W30  | 
| 
 75MHz  | 
 Closed  | 
 Closed  | 
 pins 1 & 2 closed  | 
| 
 90MHz  | 
 Open  | 
 Closed  | 
 pins 2 & 3 closed  | 
| 
 100MHz  | 
 Closed  | 
 Open  | 
 pins 2 & 3 closed  | 
| 
 120MHz  | 
 Open  | 
 Closed  | 
 pins 2 & 3 closed  | 
| 
 CPU SPEED RATIO CONFIGURATION  | |
| 
 Speed  | 
 W2  | 
| 
 1.5x  | 
 Open  | 
| 
 2x  | 
 Closed  | 
| 
 CPU VRE CONFIGURATION  | |
| 
 Setting  | 
 W3  | 
| 
 VR  | 
 Open  | 
| 
 VRE  | 
 Closed  | 
| 
 DMA CONFIGURATION  | ||
| 
 DMA  | 
 W18  | 
 W19  | 
| 
 None  | 
 Open  | 
 Open  | 
| 
 DMA1  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 DMA3  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  |