UNIDENTIFIED
386 SIS CACHE
Processor |
80386 |
Processor Speed |
25/33MHz |
Chip Set |
SIS |
Video Chip Set |
None |
Maximum Onboard Memory |
16MB (8MB on external memory card) |
Maximum Video Memory |
None |
Cache |
32/64/128KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
External memory card |
NPU Options |
80387/3167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
JP2 |
Turbo LED |
JP23 |
Speaker |
JP20 |
External memory card |
SL1 |
Power LED & keylock |
JP21 |
Reset switch |
SW1 |
Turbo switch |
JP22 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
CMOS memory normal operation |
JP1 |
Pins 2 & 3 closed |
CMOS memory clear |
JP1 |
Pins 1 & 2 closed | |
Monitor type select color |
JP4 |
Closed | |
Monitor type select monochrome |
JP4 |
Open | |
|
Power good signal detect from power supply |
JP5 |
Pins 1 & 2 closed |
Power good signal detect from board |
JP5 |
Pins 2 & 3 closed | |
NPU not installed |
JP11 |
Pins 1 & 2 closed | |
NPU installed |
JP11 |
Pins 2 & 3 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(4) 256K x 9 |
None |
None |
None |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
None |
None |
4MB |
(4) 1M x 9 |
None |
None |
None |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
None |
None |
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
None |
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
Note: Banks 2 & 3 are located on the external memory card. |
CACHE CONFIGURATION (EXTERNAL) | ||
Size |
Bank 0 |
Bank 1 |
32KB |
None |
(4) 8K x 8 |
64KB |
(4) 8K x 8 |
(1) 8K x 8 |
128KB |
(4) 32K x 8 |
None |
CACHE TAG CONFIGURATION (EXTERNAL) | |||
Size |
TAG |
TAG 0 |
TAG 1 |
32KB |
None |
(1) 16K x 4 |
(1) 16K x 4 |
64KB |
None |
(1) 16K x 4 |
(1) 16K x 4 |
128KB |
(1) 32K x 8 |
None |
None |
CACHE JUMPER CONFIGURATION (EXTERNAL) | |
Size |
JP19 |
32KB |
Pins 1 & 2 closed |
64KB |
Pins 3 & 4 closed |
128KB |
Pins 5 & 6 closed |
CACHE JUMPER CONFIGURATION (INTERNAL) | ||||
Size |
JP14 |
JP15 |
JP16 |
JP17 |
128KB internal enabled |
Closed |
Closed |
Closed |
Closed |
128KB internal disabled |
Open |
Open |
Open |
Open |
Note: To use internal 128KB cache, remove all external cache chips. Turn system on and press INS key. Then press F1 and enable cache in BIOS setup. |