RELIALOGIC CORPORATION PRIVATE, LTD.
R486DX 33 MIBBC
|
Processor |
80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
25/33/50(internal)/66(internal)MHz |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Turbo switch |
J4 |
|
Speaker |
J2 |
Reset switch |
J5 |
|
Turbo LED |
J3 |
External battery |
J6 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Monitor type select CGA |
JP5 |
Closed |
|
Monitor type select monochrome EGA/VGA |
JP5 |
Open | |
|
|
Battery type select internal |
JP7 |
Closed |
|
Battery type select external |
JP7 |
Open | |
|
|
Factory configured - do not alter |
JP8 |
Open |
|
|
Factory configured - do not alter |
JP9 |
pins 1 & 2 closed |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(1) 256K x 36 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 256K x 9 |
(1) 1M x 36 |
|
8MB |
(4) 1M x 9 |
(1) 1M x 36 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(1) 4M x 36 |
|
32MB |
(4) 4M x 9 |
(1) 4M x 36 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(2) 16K x 4 |
|
128KB |
(4) 32K x 8 |
NONE |
(2) 16K x 4 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(2) 16K x 4 |
|
CACHE JUMPER CONFIGURATION | ||||||||
|
Size |
W10 |
W11 |
W12 |
W13 |
W14 |
W15 |
W16 |
W17 |
|
64KB |
Open |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
|
128KB |
Closed |
Open |
Closed |
Open |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
|
256KB |
Closed |
Closed |
Closed |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | ||||||||
|
CPU TYPE CONFIGURATION | ||
|
Type |
JP2 |
JP11 |
|
80486SX |
Open |
pins 2 & 3 closed |
|
80487SX |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
80486DX/DX2 |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |