TEXAS INSTRUMENTS
SYSTEM SP1000
|
Processor |
80386SX |
|
Processor Speed |
16MHz |
|
Chip Set |
AMD |
|
Max. onboard DRAM |
1MB |
|
Cache |
None |
|
BIOS |
AMD |
|
Dimensions |
355mm x 304mm |
|
I/O Options |
32-bit proprietary bus slot |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Control panel connector |
J23 |
32-bit proprietary bus slot |
S1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Switch |
Position | |
|
Monitor type select monochrome |
SW1/switch 5 |
Off | |
|
Monitor type select color |
SW1/switch 5 |
On | |
|
CPU speed select smart mode |
SW1/switch 6 |
On | |
|
CPU speed select 16MHz |
SW1/switch 6 |
Off | |
|
Factory configured - do not alter |
SW2/switch 1 |
N/A | |
|
System select 1 wait state |
SW2/switch 3 |
Off | |
|
System select 0 wait states |
SW2/switch 3 |
On | |
|
Factory configured - do not alter |
SW2/switch 4 |
N/A | |
|
Note:In the smart mode, the processor slows down during accesses to the diskette drive. | |||
|
BIOS CONFIGURATION | |||||
|
BIOS |
SW1/switch 1 |
SW1/switch 2 |
SW1/switch 3 |
SW1/switch 4 | |
|
27128 |
On |
On |
Off |
Off | |
|
27256 |
Off |
Off |
On |
On | |
|
NPU CONFIGURATION | ||||
|
NPU |
J20 |
J21 |
J22 | |
|
Enabled |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed | |
|
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed | |
|
SYSTEM DRAM CONFIGURATION | |
|
Size |
DIPPs |
|
1MB |
(32) 41256 |
|
SYSTEM MEMORY MODE CONFIGURATION | |||||
|
Base |
BIOS |
External Memory |
SW1/7 |
SW1/8 |
SW2/2 |
|
640KB |
Normal |
0KB |
On |
On |
Off |
|
640KB |
Loaded high |
0KB |
On |
Off |
Off |
|
640KB |
Normal |
256KB |
Off |
On |
On |
|
640KB |
Loaded high |
256KB |
Off |
Off |
On |
|
USER CONFIGURABLE SETTINGS FOR EXTERNAL MEMORY | |||
|
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
JP1 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
JP2 |
pins 2 & 3 closed | |
|
Factory configured - do not alter |
TP1 |
pins 3 & 8, 4 & 9 closed | |
|
Factory configured - do not alter |
TP2 |
pins 3 & 8, 4 & 9 closed | |
|
EXTERNAL MEMORY CONFIGURATION | ||||
|
Size |
Bank 1 |
Bank 2 |
Bank 3 |
Bank 4 |
|
2MB |
(16) 411000 |
NONE |
NONE |
NONE |
|
4MB |
(16) 411000 |
(16) 411000 |
NONE |
NONE |
|
6MB |
(16) 411000 |
(16) 411000 |
(16) 411000 |
NONE |
|
8MB |
(16) 411000 |
(16) 411000 |
(16) 411000 |
(16) 411000 |
|
EXTERNAL MEMORY SWITCH CONFIGURATION | |||
|
Size |
SW1/switch 1 |
SW1/switch 2 |
SW1/switch 3 |
|
2MB |
On |
On |
On |
|
4MB |
Off |
On |
On |
|
6MB |
Off |
Off |
On |
|
8MB |
Off |
Off |
Off |