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. |