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 [Image] CONNECTIONS Purpose Location Purpose Location IDE interface J6 Speaker J33 (secondary) 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 J1 N/A alter » Factory configured - do not J37 N/A alter » 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 W11 Closed disabled » 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 pins 1 & 2 Open closed closed 256KB pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 512KB pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed 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