CACHING TECH CORPORATION
ISA 3486
|
Processor |
80386DX/CX486DLC/80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
EFAR |
|
Max. Onboard DRAM |
32MB |
|
SRAM Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
220mm x 218mm |
|
I/O Options |
External keyboard |
|
NPU Options |
80387DX/CX87DLC |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
External battery |
BATT2 |
Turbo switch |
CN4 |
|
Power LED & keylock |
CN1 |
Turbo LED |
CN5 |
|
Speaker |
CN2 |
External keyboard |
KB2 |
|
Reset switch |
CN3 |
|
|
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
CMOS memory normal operation (Internal Battery) |
BATT2 |
pins 2 & 3 closed |
|
|
CMOS memory normal operation (External Battery) |
BATT2 |
Ext. batt. connected |
|
|
CMOS memory clear |
BATT2 |
pins 3 & 4 closed |
|
» |
Monitor type select color |
C/M |
Closed |
|
|
Monitor type select monochrome |
C/M |
Open |
|
DRAM CONFIGURATION |
||
|
Size |
Bank 0 |
Bank 1 |
|
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 |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
SRAM CONFIGURATION |
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|
Size |
Max Cachable |
Cache |
Location |
TAG |
|
64KB |
16MB |
(8) 8K x 8 |
Banks 0 & 1 |
(1) 8K x 8 |
|
128KB |
32MB |
(4) 32K x 8 |
Bank 0 |
(1) 8K x 8 |
|
256KB |
64MB |
(8) 32K x 8 |
Banks 0 & 1 |
(1) 32K x 8 |
|
SRAM JUMPER CONFIGURATION |
|||||
|
Size |
JS1 |
JS2 |
JS3 |
JS4 |
JS5 |
|
64KB |
Open |
Open |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
|
128KB |
Closed |
Open |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
|
256KB |
Closed |
Closed |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
|
CPU TYPE CONFIGURATION |
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|
Jumper |
PQFP 80386 |
PGA 80386 |
CX486DLC |
80486SX |
80487SX |
80486DX/DX2 |
|
JC1 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
|
JC3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
|
JC4 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
|
JC5 |
N/A |
N/A |
N/A |
pins 2 & 3 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
JC6 |
N/A |
N/A |
N/A |
Open |
pins 2 & 3 |
pins 1 & 2 |
|
JC7 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
|
JC8 |
Open |
Open |
Open |
Closed |
Closed |
Closed |
|
JC9 |
Open |
Open |
Open |
Closed |
Closed |
Closed |
|
JC10 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
N/A |
N/A |
N/A |
|
JC11 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
N/A |
N/A |
N/A |
|
JC13 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
|
JC14 |
Open |
Open |
Open |
Closed |
Closed |
Closed |
|
Note:Pins designated should be in the closed postion. |
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|
CPU TYPE CONFIGURATION |
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|
CPU |
Speed |
JF1 |
JF2 |
JF3 |
JF4 |
|
80386/CX486DLC |
33MHz |
Open |
Closed |
Closed |
Closed |
|
80386/CX486DLC |
40MHz |
Closed |
Open |
Closed |
Closed |
|
80486 |
25/50i MHz |
Closed |
Closed |
Open |
Open |
|
80486 |
33/66i MHz |
Open |
Closed |
Open |
Closed |
|
80486 |
50MHz |
Open |
Open |
Open |
Open |
|
NPU/CPU CONFIGURATION |
|||
|
NPU |
CPU Speed |
J6 |
JC12 |
|
Disabled |
N/A |
Open |
Open |
|
80387DX/CX87DLC |
£ 33 MHz |
Closed |
Open |
|
80387DX/CX87DLC |
> 33MHz |
Closed |
Closed |