INFORMTECH INTERNATIONAL, INC.
IT386LM CACHE
|
Processor |
80386DX |
|
Processor Speed |
33/40MHz |
|
Chip Set |
Headland |
|
Max. Onboard DRAM |
32MB |
|
Cache |
32/128KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
JP105 |
Turbo LED |
P3 |
|
Auxiliary keyboard |
JP107 |
Reset switch |
P7 |
|
Speaker |
P1 |
Turbo switch |
P8 |
|
Power LED & keylock |
P2 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
I/O recovery delay (for slower cards) disabled |
JP13 |
Open | |
|
I/O recovery delay (for slower cards) enabled |
JP13 |
Closed | |
|
CPU speed select 33MHz |
JP101 |
pins 1 & 2 closed | |
|
CPU speed select 40MHz |
JP101 |
pins 2 & 3 closed | |
|
NPU mode select synchronous with CPU |
JP102 |
Open | |
|
NPU mode select asynchronous with CPU |
JP102 |
Closed | |
|
CMOS memory normal operation |
JP104 |
Open | |
|
CMOS memory clear |
JP104 |
Closed | |
|
Battery select internal 3.6VDC with current limiting resistor |
JP106 |
pins 1 & 3 closed | |
|
Battery select internal 4.5VDC alkaline |
JP106 |
pins 3 & 4 closed | |
|
Battery select external 6VDC |
JP106 |
pins 2 & 4 closed | |
|
Battery select external 6VDC with current limiting resistor |
JP106 |
pins 1 & 2 closed | |
|
Monitor type select color |
P4 |
Closed | |
|
Monitor type select monochrome |
P4 |
Open | |
|
Note:Jumpers JP101 and JP102 may not be present on all board revisions. | |||
|
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 |
|
17MB |
(4) 256K x 9 |
(4) 4M x 9 |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | |
|
Size |
Bank 0 |
|
32KB |
(4) 8K x 8 |
|
128KB |
(4) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | |
|
Size |
JP10 |
|
32KB |
Closed |
|
128KB |
Open |
|
Note:Jumper JP10 may be named JP100 on some board revisions. | |