L & K MICRO SUPPLY, INC.
486 CONTAQ CACHE
|
Processor |
80486SX/80487SX/80486DX |
|
Processor Speed |
16/20/25/33/40/50MHz |
|
Chip Set |
CONTAQ |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J3 |
Turbo switch |
JP18 |
|
External battery |
J7 |
Turbo LED |
JP20 |
|
Power LED & keylock |
J8 |
Reset switch |
JP21 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
NPU read cycle select 0 wait states |
JP5 |
pins 1 & 2 closed | |
|
NPU read cycle select 1 wait state |
JP5 |
pins 2 & 3 closed | |
|
CMOS memory normal operation |
JP24 |
pins 2 & 3 closed | |
|
CMOS memory clear |
JP24 |
pins 1 & 2 closed | |
|
Monitor type select monochrome |
JP25 |
pins 1 & 2 closed | |
|
Monitor type select color |
JP25 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 3 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | ||||||
|
Size |
Bank 0 |
Bank 1 |
TAG |
Location |
Dirty Bit |
Location |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(2) 16K x 4 |
U14 & U15 |
(1) 16K x 4 |
U16 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(2) 16K x 4 |
U14 & U15 |
(1) 16K x 1 |
U18 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
NU1 |
(1) 16K x 4 |
U16 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
NU1 |
(1) 16K x 1 |
U18 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(2) 16K x 4 |
U14 & U15 |
(1) 16K x 4 |
U16 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(2) 16K x 4 |
U14 & U15 |
(1) 16K x 1 |
U18 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
NU1 |
(1) 16K x 4 |
U16 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
NU1 |
(1) 16K x 1 |
U18 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP7 |
JP8 |
JP9 |
JP10 |
|
64KB |
pins 1 & 2 closed |
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 |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION | ||||
|
Type |
JP1 |
JP2 |
JP3 |
JP4 |
|
80486SX |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
pins 1 & 3 closed |
|
80487SX |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486DX |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
CPU SPEED CONFIGURATION | ||||
|
Speed |
Crystal at OSC1 |
JP6 |
JP11 |
JP12 |
|
16MHz |
32MHz |
pins 5 & 6 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
20MHz |
40MHz |
pins 5 & 6 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
25MHz |
25MHz |
pins 3 & 4 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
33MHz |
33MHz |
pins 3 & 4 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
40MHz |
40MHz |
pins 3 & 4 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
50MHz |
50MHz |
pins 3 & 4 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |