DIGITAL EQUIPMENT CORPORATION
PRIORIS MTE
|
Device Type |
Mainboard |
|
Processor |
80486DX/80486DX2/P24T |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB |
|
Maximum Video Memory |
None |
|
Cache |
128/256KB |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Local bus video slot, 32-bit VESA local bus slots (2), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Chassis fan power |
C1 |
Local bus video slot |
SL1 |
|
Speaker |
C2 |
32-bit VESA local bus slots |
SL2 & SL3 |
|
Note: The location of all other connectors is unidentified. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
Parallel port unidirectional |
J20 |
Pins 1 & 2 closed |
|
Parallel port bidirectional |
J20 |
Pins 2 & 3 closed | |
|
» |
CMOS memory normal operation |
J23 |
Open |
|
CMOS memory clear |
J23 |
Closed | |
|
Monitor type select monochrome |
J25 |
Open | |
|
Monitor type select color |
J25 |
Closed | |
|
» |
Factory configured - do not alter |
J43 |
Open |
|
» |
Reset switch enabled |
J46 |
Closed |
|
Reset switch disabled |
J46 |
Open | |
|
» |
Factory configured - do not alter |
J53 |
Unidentified |
|
SIMM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
8MB |
(1) 2M x 36 |
None |
None |
None |
|
16MB |
(1) 4M x 36 |
None |
None |
None |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
|
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
None |
None |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
None |
None |
|
32MB |
(1) 8M x 36 |
None |
None |
None |
|
32MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
None |
None |
|
40MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
40MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
None |
None |
|
SIMM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
48MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
None |
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 |
|
56MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
56MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
64MB |
(1) 8M 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 |
|
72MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
80MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
80MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
104MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
112MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
CACHE CONFIGURATION | |
|
Size |
Bank 0 |
|
128KB |
(4) 32K x 8 |
|
256KB |
(4) 64K x 8 |
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
J29 |
J30 |
J31 |
|
128KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
256KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
CPU SPEED SELECTION | ||||
|
Speed |
J34 |
J35 |
J36 |
J37 |
|
25MHz |
Closed |
Closed |
Open |
Closed |
|
33MHz |
Closed |
Open |
Closed |
Closed |
|
40MHz |
Open |
Open |
Closed |
Open |
|
50iMHz |
Closed |
Closed |
Open |
Closed |
|
50MHz |
Open |
Open |
Open |
Open |
|
66iMHz |
Closed |
Open |
Closed |
Closed |
|
CPU TYPE SELECTION | |
|
Type |
J52 |
|
80486DX |
Pins 2 & 3 closed |
|
80486DX2 |
Pins 2 & 3 closed |
|
P24T |
Pins 1 & 2 closed |
|
VL BUS WAIT STATE SELECTION | ||
|
Setting |
J51 | |
| » |
0 |
Pins 1 & 2 closed |
|
1 |
Pins 2 & 3 closed | |