UNIDENTIFIED
U386
|
Processor |
80386DX |
|
Processor Speed |
33/40MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
32MB |
|
SRAM Cache |
32/128KB |
|
BIOS |
AMI |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
NONE |
|
NPU Options |
80387 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Reset switch |
J4 |
|
Turbo LED |
J2 |
Speaker |
J5 |
|
Turbo switch |
J3 |
Power LED & keylock |
J6 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
W1 |
closed | |
|
CMOS memory clear |
W1 |
open | |
|
Monitor type select color |
W2 |
closed | |
|
Monitor type select monochrome |
W2 |
open | |
|
NPU disabled |
W4 |
open | |
|
NPU enabled |
W4 |
closed | |
|
Parity check enabled |
W16 |
pins 2 & 3 closed | |
|
Parity check disabled |
W16 |
pins 1 & 2 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
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) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
SRAM JUMPER CONFIGURATION | ||
|
Jumper |
32KB |
128KB |
|
W8 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
W9 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
W10 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
W11 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
W12 |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
W13 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
W14 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
W15 |
open |
pins 1 & 2 closed |
|
SRAM CONFIGURATION | ||
|
Size |
Cache SRAM |
TAG |
|
32KB |
(4) 8K x 8 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
(1) 8K x 8 |