UNIDENTIFIED
SCAT-SX
|
Processor |
80386SX |
|
Processor Speed |
20/25MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
16MB |
|
Cache |
32KB (located on external cache card) |
|
BIOS |
Unidentified |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
External cache card slot |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
J1 |
Power LED & keylock |
J5 |
|
Turbo switch |
J2 |
External battery |
J7 |
|
Turbo LED |
J3 |
External cache card slot |
S1 |
|
Speaker |
J4 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Monitor type select color |
P03 |
pins 2 & 3 closed |
|
Monitor type select monochrome |
P03 |
pins 1 & 2 closed | |
|
|
CMOS memory normal operation |
P04 |
Closed |
|
CMOS memory clear |
P04 |
Open | |
|
|
CMOS memory normal operation (External battery) |
P05 |
Open |
|
CMOS memory normal operation (Internal battery) |
P05 |
Closed | |
|
|
Pipeline mode enabled |
P18 |
Closed |
|
Pipeline mode disabled |
P18 |
Open | |
|
|
NPU RDY signal enabled |
P19 |
Closed |
|
NPU RDY signal disabled or NPU not installed |
P19 |
Open | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
(2) 256K x 9 |
NONE |
NONE |
NONE |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
NONE |
|
1.5MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
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 |
|
8MB |
(2) 4M x 9 |
NONE |
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 JUMPER CONFIGURATION | |||||
|
Size |
P11 |
P12 |
P13 |
P14 |
P15 |
|
16KB/DM |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
|
16KB/TWS |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
|
32KB/DM |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
|
32KB/TWS |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
|
Note:DM = Direct mapped and TWS = Two-wait associative. Pins designated should be in the closed position. | |||||