INTERCOMP, INC.
386SX 20/25/33
|
Processor |
80386SX |
|
Processor Speed |
20/25/33MHz |
|
Chip Set |
Intercomp |
|
Max. Onboard DRAM |
16MB |
|
SRAM Cache |
16/32/64KB |
|
BIOS |
MR |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
JP1 |
Turbo LED |
JP16 |
|
Diagnostic LED |
JP13 |
Speaker |
JP17 |
|
Reset switch |
JP14 |
Power LED & keylock |
JP18 |
|
Turbo switch |
JP15 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
| » |
Battery select internal |
JP10 |
pins 2 & 3 closed |
|
Battery select external |
JP10 |
pins 1 & 2 closed | |
| » |
CMOS memory normal operation |
JP11 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP11 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
NONE |
|
2MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
NONE |
NONE |
|
3MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 1M x 9 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
|
5MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
|
6MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
|
8MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
|
9MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 4M x 9 |
NONE |
|
10MB |
(2) 1M x 9 |
(2) 4M x 9 |
NONE |
NONE |
|
12MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 4M x 9 |
NONE |
|
16MB |
(2) 4M x 9 |
(2) 4M x 9 |
NONE |
NONE |
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 (U17 & U19) |
Bank 1 (U16 & U18) |
|
16KB |
(2) 8K x 8 |
NONE |
|
32KB |
(2) 8K x 8 |
(2) 8K x 8 |
|
64KB |
(2) 32K x 8 |
NONE |
|
CACHE JUMPER CONFIGURATION | ||||||
|
Size |
JP4 |
JP5 |
JP6 |
JP7 |
JP8 |
JP9 |
|
16KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
|
32KB |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
Closed |
Open |
|
64KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
Closed |
|
Note:Pins designated should be in the closed position. | ||||||