DD & TT ENTERPRISE USA COMPANY
DT-LB2AL
Processor |
80386DX/CX486DLC/80486SX/80487SX/80486DX ODP486SX/80486DX2/ODP586SX |
Processor Speed |
20/25/33/40/50(internal)/50/66(internal) MHz |
Chip Set |
Symphony |
Max. onboard DRAM |
32MB |
Cache |
64/256KB |
BIOS |
AMI |
Dimensions |
330mm x 220mm |
I/O Options |
Floppy drive interface, game port, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port |
NPU Options |
80387DX/CX487DLC |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
VGA port |
C1 |
IDE interface |
J12 |
Parallel port |
C2 |
Speaker |
J13/pins 1, 3, 5, 7 |
Serial port B |
C3 |
Power LED & keylock |
J13/pins 2, 4, 6, 8, 10 |
Serial port A |
C4 |
Reset switch |
J14/pins 1 & 2 |
PS/2 mouse port |
C5 |
Turbo switch |
J14/pins 3 & 4 |
Game port |
J9 |
Turbo LED |
J14/pins 5 & 6 |
VGA feature connector |
J10 |
IDE interface LED |
J14/pins 7 & 8 |
Floppy drive interface |
J11 |
Riser card |
S1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
PS/2 mouse port enabled |
E9 |
Open | |
PS/2 mouse port disabled |
E9 |
Closed | |
CMOS memory normal operation |
E13 |
Open | |
CMOS memory clear |
E13 |
Closed | |
Onboard speaker enabled |
J13 |
pins 1 & 3 closed | |
Onboard speaker disabled |
J13 |
pins 1 & 3 open |
SERIAL PORT A (C4) CONFIGURATION | ||||||
COM |
Interrupt |
Address |
E2/pins 1, 3, & 5 |
E2/pins 2, 4, & 6 |
E2/Pins 7 & 8 | |
COM1 |
IRQ4 |
3F8h |
pins 3 & 5 closed |
pins 2 & 4 closed |
Closed | |
COM3 |
IRQ4 |
3E8h |
pins 1 & 3 closed |
pins 4 & 6 closed |
Closed | |
COM4 |
IRQ3 |
2E8h |
pins 3 & 5 closed |
pins 4 & 6 closed |
Open | |
Disabled |
N/A |
N/A |
pins 1 & 3 closed |
pins 2 & 4 closed |
Open |
SERIAL PORT B (C3) CONFIGURATION | ||||||
COM |
Interrupt |
Address |
E1/pins 1, 3, & 5 |
E1/pins 2, 4, & 6 |
E1/Pins 7 & 8 | |
COM2 |
IRQ3 |
2F8h |
pins 3 & 5 closed |
pins 2 & 4 closed |
Closed | |
COM3 |
IRQ4 |
3E8h |
pins 1 & 3 closed |
pins 4 & 6 closed |
Closed | |
COM4 |
IRQ3 |
2E8h |
pins 3 & 5 closed |
pins 4 & 6 closed |
Open | |
Disabled |
N/A |
N/A |
pins 1 & 3 closed |
pins 2 & 4 closed |
Open |
PARALLEL PORT (C2) CONFIGURATION | ||||||||
LPT |
Interrupt |
Address |
E4/1,3,&5 |
E4/2,4,&6 |
E4/7&8 |
E4/9&10 | ||
LPT1 |
IRQ7 |
378h |
pins 3 & 5 |
pins 2 & 4 |
Closed |
Open | ||
LPT1 |
IRQ5 |
378h |
pins 3 & 5 |
pins 2 & 4 |
Open |
Closed | ||
LPT2 |
IRQ7 |
278h |
pins 1 & 3 |
pins 2 & 4 |
Closed |
Open | ||
LPT2 |
IRQ5 |
278h |
pins 1 & 3 |
pins 4 & 6 |
Open |
Closed | ||
LPT3 |
IRQ7 |
278h |
pins 1 & 3 |
pins 4 & 6 |
Closed |
Open | ||
LPT3 |
IRQ5 |
278h |
pins 1 & 3 |
pins 4 & 6 |
Open |
Closed | ||
Disabled |
N/A |
N/A |
pins 1 & 3 |
pins 2 & 4 |
Open |
Open | ||
Notes:Pins designated should be in the closed position. In order for LPT3 to be selected, a Hercules monographics card with an active parallel port must be present. |
FLOPPY DRIVE INTERFACE CONFIGURATION | ||
I/O Address |
E3/pins 1, 3, 5, 7, 9, 11 | |
3F0-3F7 |
pins 3 & 5, 7 & 9 closed | |
370-377 |
pins 3 & 5, 9 & 11 closed | |
Disabled |
pins 1 & 3 closed |
IDE INTERFACE CONFIGURATION | ||
I/O Address |
E3/pins 2, 4, 6, 8, 10, 12 | |
3F0-3F7, 1F0-1F7 |
pins 4 & 6, 8 & 10 closed | |
370-377, 170-177 |
pins 4 & 6, 10 & 12 closed | |
Disabled |
pins 2 & 4 closed |
ONBOARD VGA PORT CONFIGURATION | |||
Function |
Jumper |
Position | |
Onboard VGA enabled |
E6 |
pins 1 & 2, 3 & 4 closed | |
Onboard VGA disabled |
E6 |
pins 1 & 2, 3 & 4 open | |
Onboard VGA memory 512KB |
E6 |
pins 13 & 14 closed | |
Onboard VGA memory 1MB |
E6 |
pins 13 & 14 open |
ONBOARD VGA VIDEO MODE CONFIGURATION (800X600 RESOLUTION) | |||
Refresh Rate |
Mode |
E6/pins 9 & 10 |
E6/pins 11 & 12 |
56Hz |
Non-Interlaced |
Open |
Open |
56Hz |
Non-Interlaced |
Closed |
Closed |
60Hz |
Non-Interlaced |
Closed |
Open |
72Hz |
Non-Interlaced |
Open |
Closed |
ONBOARD VGA VIDEO MODE CONFIGURATION (1024 X 768 RESOLUTION) | |||
Refresh Rate |
Mode |
E6/pins 5 & 6 |
E6/pins 7 & 8 |
43.5Hz |
Interlaced |
Open |
Open |
43.5Hz |
Interlaced |
Closed |
Closed |
60Hz |
Non-Interlaced |
Closed |
Open |
70Hz |
Non-Interlaced |
Open |
Closed |
BIOS CONFIGURATION | |||
Function |
Jumper |
Position | |
BIOS ROM 1MB |
E5 |
pins 1 & 3 closed | |
BIOS ROM 2MB |
E5 |
pins 3 & 5 closed | |
Flash BIOS program mode enabled |
E5 |
pins 2 & 4, 7 & 9, 8 & 10 | |
Flash BIOS program mode disabled |
E5 |
pins 4 & 5, 9 & 11, 10 & 12 |
CACHE CONFIGURATION | |||
Size |
Max Cachable |
Cache |
TAG |
64KB |
8MB |
(8) 8K x 8 |
(1) 32K x 8 |
256KB |
32MB |
(8) 32K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |
Size |
E11 |
64KB |
pins 3 & 5, 4 & 6 closed |
256KB |
pins 1 & 3, 2 & 4, 7 & 8, 9 & 10, 11 & 12 closed |
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) 256K x 9 |
(4) 4M x 9 |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
CPU TYPE CONFIGURATION | ||
CPU Type |
E10 |
E14 |
80386DX PQFP/PGA |
pins 3 & 4, 9 & 11, 10 & 12 |
N/A |
80486SX PQFP |
pins 1 & 2, 5 & 6, 7 & 9, 8 & 10 |
pins 1 & 2 closed |
80486SX PGA |
pins 1 & 2, 5 & 6, 7 & 9, 8 & 10 |
pins 2 & 3 closed |
80487SX PGA |
pins 1 & 2, 5 & 6, 7 & 9, 8 & 10 |
pins 1 & 2, 3 & 4, 7 & 8 closed |
ODP486SX PGA |
pins 1 & 2, 5 & 6, 7 & 9, 8 & 10 |
pins 1 & 2, 3 & 4, 7 & 8 closed |
80486DX PQFP |
pins 1 & 2, 5 & 6, 7 & 9, 8 & 10 |
pins 1 & 2, 3 & 4, 5 & 6 closed |
80486DX PGA |
pins 1 & 2, 5 & 6, 7 & 9, 8 & 10 |
pins 1 & 2, 3 & 4, 5 & 6 closed |
80486DX2 PGA |
pins 1 & 2, 5 & 6, 7 & 9, 8 & 10 |
pins 1 & 2, 3 & 4, 5 & 6 closed |
ODP586SX PGA |
pins 1 & 2, 5 & 6, 7 & 9, 8 & 10 |
pins 1 & 2, 3 & 4, 5 & 6 closed |
Note:Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | |||
CPU Speed |
E7 |
E8 |
E12 |
20MHz |
pins 1 & 2 |
pins 1 & 2 |
pins 3 & 5, 4 & 6 |
25MHz |
pins 1 & 2 |
pins 3 & 4, 5 & 6 |
pins 3 & 5, 4 & 6 |
33MHz |
pins 1 & 2 |
pins 3 & 4 |
pins 3 & 5, 4 & 6 |
40MHz |
pins 1 & 2 |
pins 5 & 6 |
pins 3 & 5, 4 & 6 |
50MHz |
pins 2 & 3 |
pins 3 & 4, 5 & 6 |
pins 1 & 3, 2 & 4 |
Note:Pins designated should be in the closed position. |