DD & TT ENTERPRISE USA COMPANY
DT-LB134 (9-BIT SIMM VERSION)
|
Processor |
80386DX/CX486DLC/80486SX/80486DX/80486DX2/ODP586SX |
|
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
Symphony |
|
Max. Onboard DRAM |
64MB |
|
SRAM Cache |
64/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
PS/2 mouse, 32-bit VESA local bus slot |
|
NPU Options |
CX87DLC/80387DX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
J1/pins 1 & 2 |
Speaker |
J2B/pins 1 & 4 |
|
Turbo switch |
J1/pins 3 & 4 |
Mouse port header |
J11A |
|
Reset switch |
J1/pins 5 & 6 |
PS/2 mouse port |
J11B |
|
Power LED & keylock |
J2A |
32-bit VESA local bus |
S1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Factory configured-do not alter |
E2/pins 1 & 2 |
unknown | |
|
Factory configured-do not alter |
E2/pins 3 & 4 |
unknown | |
| » |
Monitor type select color |
E2/pins 5 & 6 |
closed |
|
Monitor type select monochrome |
E2/pins 5 & 6 |
open | |
|
ATCLK iOSC/2 |
E7/1-3, 4-6 |
closed | |
|
ATCLK iOSC/1 |
E7/3-5, 2-4 |
closed | |
| » |
Mouse port enabled |
E12 |
closed |
|
Mouse port disabled |
E12 |
open | |
| » |
CMOS memory normal operation |
E13 |
open |
|
CMOS memory clear |
E13 |
closed | |
| » |
Onboard speaker enabled |
J2B/pins 1 & 2 |
closed |
|
Onboard speaker disabled |
J2B/pins 1 & 2 |
open | |
|
Burst mode 3-2-2-2 |
JP1 |
closed | |
|
Burst mode 2-1-1-1 |
JP1 |
open | |
|
Cache wait state select 0 wait states |
JP2 |
closed | |
|
Cache wait state select 1 wait state |
JP2 |
open | |
|
SRAM JUMPER CONFIGURATION | ||
|
Jumper |
64K |
256K |
|
E1A |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
E1B |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
E1C |
open |
closed |
|
E1D |
open |
closed |
|
E1E |
open |
closed |
|
E1F |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
E1G |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
E1H |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
E1I |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
E1J |
closed |
closed |
|
E1K |
closed |
closed |
|
SRAM CONFIGURATION | ||
|
Size |
Cache |
TAG |
|
64KB |
(8) 8K x 8 |
(1) 8K x 4 |
|
256KB |
(8) 32K x 8 |
(1) 32K x 4 |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CPU TYPE CONFIGURATION | ||||||
|
Type |
E3 |
E4 |
E5 |
E6 |
E7 |
E8 |
|
80386DX 33 |
open |
3&4,9&10 |
1&3,4&6 |
3&4,9&11,10&12, |
1&3,4&6 |
3&4 |
|
80386DX 40 |
open |
3&4,7&8,9&10 |
1&3,4&6 |
3&4,9&11,10&12 |
1&3,4&6 |
5&6 |
|
CX486DLC 33 |
open |
3&4,9&10 |
1&3,4&6 |
3&4,9&11,10&12 |
1&3,4&6 |
3&4 |
|
CX486DLC 40 |
open |
3&4,7&8,9&10 |
1&3,4&6 |
3&4,9&11,10&12 |
1&3,4&6 |
5&6 |
|
80486SX 20 |
2&3 |
1&2,9&10 |
3&5,4&6 |
1&2,5&6,7&9,8&10 |
1&3,4&6 |
1&2 |
|
80486SX 25 |
2&3 |
1&2,9&10 |
3&5,4&6 |
1&2,5&6,7&9,8&10 |
1&3,4&6 |
3&4,5&6 |
|
80486SX 33 |
2&3 |
1&2,9&10 |
3&5,4&6 |
1&2,5&6,7&9,8&10 |
1&3,4&6 |
3&4 |
|
80486DX 33 |
1&2,3&4,5&6 |
1&2,9&10 |
3&5,4&6 |
1&2,5&6,7&9,8&10 |
1&3,4&6 |
3&4 |
|
80486DX2 50 |
1&2,3&4,5&6 |
1&2,9&10 |
3&5,4&6 |
1&2,5&6,7&9,8&10 |
1&3,4&6 |
3&4,5&6 |
|
80486DX 50 |
1&2,3&4,5&6 |
1&2,5&6,7&8,9&10 |
1&3,2&4 |
1&2,5&6,7&9,8&10 |
3&5,2&4 |
3&4,5&6 |
|
80486DX2 66 |
1&2,3&4,5&6 |
1&2,9&10 |
3&5,4&6 |
1&2,5&6,7&9,8&10 |
1&3,4&6 |
3&4 |
|
Notes: Pins indicated should be in the closed position. Early versions of the board (model DT-LB133) do not support the 80486 series processor. | ||||||