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 |