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. |