CACHE COMPUTERS, INC.
386SX-25 (Model 316)
|
Processor |
80386SX |
|
Processor speed |
20/25MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
AMI/Cache |
|
Dimensions |
330.2mm x 218.4mm |
|
I/O Options |
Bus mouse port, game port, serial ports (2), parallel port, floppy drive interface, IDE interface |
|
NPU options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Auxiliary keyboard |
J1 |
Game port |
P3 |
|
External battery |
J3 |
Bus mouse port |
P4 |
|
IDE interface LED |
J13 |
IDE interface |
P5 |
|
Speaker |
J21 |
Floppy drive interface |
P6 |
|
Power LED & keylock |
J22 |
Parallel port |
P7 |
|
Turbo LED |
JP3 |
Reset switch |
S1 |
|
Serial port 0 |
P1 |
Turbo switch |
S2 |
|
Serial port 1 |
P2 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
CMOS memory normal operation (internal battery) |
JP1 |
pins 2 & 3 closed | |
|
CMOS memory normal operation (external battery) |
JP1 |
Open | |
|
CMOS memory clear |
JP1 |
pins 1 & 2 closed | |
|
Monitor type select color (AMI BIOS) |
JP2 |
Closed | |
|
Monitor type select monochrome (AMI BIOS) |
JP2 |
Open | |
|
Password enabled (Cache BIOS) |
JP2 |
Closed | |
|
Password disabled (Cache BIOS) |
JP2 |
Open | |
|
Floppy drive interface-(P6) enabled |
SW1/1 |
Off | |
|
Floppy drive interface-(P6) disabled |
SW1/1 |
On | |
|
IDE interface-(P5) enabled |
SW1/2 |
Off | |
|
IDE interface (P5) disabled |
SW1/2 |
On | |
|
Serial port 0 (P1) enabled |
SW1/3 |
Off | |
|
Serial port 0 (P1) disabled |
SW1/3 |
On | |
|
Serial port 1 (P2) enabled |
SW1/4 |
Off | |
|
Serial port 1 (P2) disabled |
SW1/4 |
On | |
|
Game port (P3) enabled |
SW1/5 |
Off | |
|
Game port (P3) disabled |
SW1/5 |
On | |
|
Parallel port (P7) enabled |
SW1/6 |
Off | |
|
Parallel port (P7) disabled |
SW1/6 |
On | |
|
Bus mouse port (P4) enabled |
SW1/7 |
Off | |
|
Bus mouse port (P4) disabled |
SW1/7 |
On | |
|
Floppy drive interface (P6) address select 1F0-1F7 |
W3 |
Open | |
|
Floppy drive interface (P6) address select 170-177 |
W3 |
Closed | |
|
IDE address select 3F1-3F7 |
W4 |
Open | |
|
IDE address select 371-377 |
W4 |
Closed | |
|
Serial port 0 (P1) address select 3F8-3FF |
W5 |
Open | |
|
Serial port 0 (P1) address select 3E8-3EF |
W5 |
Closed | |
|
Serial port 1 (P2) address select 2F8-2FF |
W6 |
Open | |
|
Serial port 1 (P2) address select 2E8-2EF |
W6 |
Closed | |
|
Parallel port (P7) address select 378-37F |
W7 |
Open | |
|
Parallel port (P7) address select 278-27F |
W7 |
Closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
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 |
|
9MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 4M x 9 |
NONE |
|
10MB |
(2) 1M x 9 |
(2) 4M x 9 |
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 |
|
BUS MOUSE INTERRUPT CONFIGURATION | ||
|
IRQ |
W1 |
W2 |
|
IRQ5 |
Open |
Closed |
|
IRQ2 |
Closed |
Open |
|
None |
Open |
Open |