DIGITAL SCIENTIFIC RESEARCH, INC.
ISBB-5U4
|
Processor |
80386SX (located on external CPU card). |
|
Processor Speed |
25/33 MHz |
|
Chip Set |
ACC/OPTI/ATMEL |
|
Max. Onboard DRAM |
32MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
220mm X 220mm |
|
I/O Options |
Bus mouse, floppy drive interface, game port, IDE interface, parallel port, CPU card slot, serial ports (2) |
|
NPU Options |
80387SX (located on external CPU card) |

|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
Bus mouse connector |
CN1 |
External keyboard connector |
JP2 |
|
Serial port 1 |
COMA |
External battery |
JP10 |
|
Serial port 2 |
COMB |
Keylock and power LED |
JP12 |
|
Game port |
J2 |
Turbo LED |
JP13 |
|
Bus mouse port |
J3A |
Reset switch |
JP14 |
|
Floppy drive interface |
J5 |
IDE LED |
JP16 |
|
IDE interface |
J8 |
Turbo switch |
JP18 |
|
Parallel port connector |
J10 |
CPU card slots |
SL1, SL2 |
|
Speaker |
JP1 |
|
|
|
Note:The game port is optional and the location is unidentified by the manufacturer. |
|||
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Floppy adaptor enabled |
JP3 |
pins 2 & 3 closed |
|
|
Floppy adaptor disabled |
JP3 |
pins 1 & 2 closed |
|
» |
IDE adaptor enabled |
JP4 |
pins 2 & 3 closed |
|
|
IDE adaptor disabled |
JP4 |
pins 1 & 2 closed |
|
» |
LPT set at IRQ7 |
JP15 |
pins 2 & 3 closed |
|
|
LPT set at IRQ5 |
JP15 |
pins 1 & 2 closed |
|
SERIAL PORT CONFIGURATION |
|||
|
Port 1 (COMA) |
Port 2 (COMB) |
JP7 |
JP8 |
|
COM1 |
COM2 |
Closed |
Closed |
|
COM1 |
COM4 |
Closed |
Open |
|
COM3 |
COM2 |
Open |
Closed |
|
COM3 |
COM4 |
Open |
Open |
|
Disabled |
COM2 |
Open |
Closed |
|
Disabled |
COM4 |
Open |
Open |
|
COM1 |
Disabled |
Closed |
Open |
|
COM3 |
Disabled |
Open |
Open |
|
Disabled |
Disabled |
Open |
Open |
|
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 |
|
BUS MOUSE PORT CONFIGURATION |
||
|
Setting |
JP5 |
|
|
» |
Enabled / IRQ5 |
Closed |
|
|
IRQ 4 |
Open |
|
|
IRQ3 |
Open |
|
|
IRQ 2/9 |
Open |
|
|
Disabled |
Open |
|
PARALLEL PORT CONFIGURATION |
||
|
Setting |
JP6 |
|
|
» |
LPT 1/ address 378h |
Closed |
|
|
LPT 2 / address 278h |
Open |
|
|
Disabled |
Open |
|
Processor |
Dependant on external CPU card installed. |
|
Processor Speed |
Dependant on external CPU card installed. |
|
Chip Set |
ACC |
|
Max. Onboard DRAM |
32MB |
|
Cache |
None |
|
BIOS |
Dependant on external CPU card installed. |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Proprietary external CPU card slot, bus mouse port, floppy drive interface, IDE interface, parallel ports (2), PS/2 mouse port, serial port |
|
NPU Options |
None |

|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
Bus mouse connector |
CN4 |
Speaker |
JP1 |
|
Serial port (COMB) |
J1 |
Front keyboard header |
JP2 |
|
Bus mouse port |
J3A |
External battery |
JP10 |
|
Serial port (COMA) |
J4 |
Power LED & keylock |
JP12 |
|
Floppy drive interface |
J5 |
Turbo LED |
JP13 |
|
Serial port |
J6 |
Reset switch |
JP14 |
|
Parallel port 1 |
J7 |
IDE interface LED |
JP16 |
|
IDE interface |
J8 |
Turbo switch |
JP18 |
|
Parallel port 2 |
J10 |
CPU expansion card slots |
SL1, SL2 |
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
|
Floppy disk drive enabled |
JP3 |
pins 1 & 2 closed |
|
|
Floppy disk drive disabled |
JP3 |
pins 2 & 3 closed |
|
» |
IDE hard disk drive enabled |
JP4 |
pins 1 & 2 closed |
|
|
IDE hard disk drive disabled |
JP4 |
pins 2 & 3 closed |
|
|
Bus mouse enabled |
JP5 |
pins 1 & 2 closed |
|
|
Bus mouse disabled |
JP5 |
Open |
|
» |
LPT interrupt select IRQ7 |
JP15 |
pins 1 & 2 closed |
|
|
LPT interrupt select IRQ5 |
JP15 |
pins 2 & 3 closed |
|
SERIAL PORT CONFIGURATION |
||||
|
Port 1 (COMA) |
Port 2 (COMB) |
JP7 |
JP8 |
|
|
» |
COM1 |
COM2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
|
COM1 |
COM4 |
pins 1 & 2 closed |
pins 3 & 4 closed |
|
|
COM1 |
Disabled |
pins 1 & 2 closed |
pins 5 & 6 closed |
|
|
COM3 |
COM2 |
pins 3 & 4 closed |
pins 1 & 2 closed |
|
|
COM3 |
Disabled |
pins 3 & 4 closed |
pins 5 & 6 closed |
|
|
Disabled |
COM2 |
pins 5 & 6 closed |
pins 1 & 2 closed |
|
|
Disabled |
COM4 |
pins 5 & 6 closed |
pins 3 & 4 closed |
|
|
Disabled |
Disabled |
pins 5 & 6 closed |
pins 5 & 6 closed |
|
PARALLEL PORT CONFIGURATION |
||
|
LPT |
JP6 |
|
|
» |
LPT1/2 |
pins 1 & 2 closed |
|
|
LPT2/3 |
pins 3 & 4 closed |
|
|
Disabled |
pins 5 & 6 closed |
|
BUS MOUSE INTERRRUPT CONFIGURATION |
||
|
Setting |
JP5 |
|
|
» |
IRQ5 |
pins 3 & 4 closed |
|
|
IRQ4 |
pins 5 & 6 closed |
|
|
IRQ3 |
pins 7 & 8 closed |
|
|
IRQ2 |
pins 9 & 10 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) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
Processor |
Dependant on external CPU card installed. |
|
Processor Speed |
Dependant on external CPU card installed. |
|
Chip Set |
ACC/OPTi/ATMEL |
|
Max. Onboard DRAM |
64MB |
|
Cache |
Dependant on external CPU card installed. |
|
BIOS |
AMI |
|
I/O Options |
CPU card slot, floppy drive interface, game port, IDE interface, parallel port, PS/2 mouse port, serial ports (2) |
|
NPU Options |
Dependant on external CPU card installed. |

|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
J1 |
External battery |
JP10 |
|
Serial port 2 |
J4 |
Power LED & keylock |
JP12 |
|
Floppy drive interface |
J5 |
Turbo LED |
JP13 |
|
IDE inteface |
J8 |
Reset switch |
JP14 |
|
Parallel port |
J10 |
IDE interface LED |
JP16 |
|
External keyboard connector |
JP1 |
Turbo switch |
JP18 |
|
Speaker |
JP5 |
CPU card slots |
SL1, SL2 |
|
Note:The PS/2 mouse is optional and the connector location is unidentified by the manufacturer. |
|||
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Power good signal detect normal |
JP2 |
Open |
|
|
Power good signal detect delayed |
JP2 |
Closed |
|
» |
Hardware select 82C721 I/O chip enabled |
JP30 |
pins 1 & 2 closed |
|
|
Hardware select 82C721 I/O chip disabled |
JP30 |
pins 2 & 3 closed |
|
DRAM CONFIGURATION |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 256K x 36 |
NONE |
NONE |
NONE |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
c |
|
3MB |
(1) 512K x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
|
4MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
5MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
6MB |
(1) 1MBx 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
6MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
|
7MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
|
7MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 512K x 36 |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
9MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
|
9MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
|
9MB |
(1) 2M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
10MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
NONE |
|
11MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
NONE |
|
11MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
|
11MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
11MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
13MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
13MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
13MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
|
13MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
NONE |
|
14MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
DRAM CONFIGURATION (CONTINUED) |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
14MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
|
14MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
|
14MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 512K x 36 |
NONE |
|
14MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
14MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
|
15MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
17MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
NONE |
|
17MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
17MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 256K x 36 |
|
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
18MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
|
18MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 256K x 36 |
|
19MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
|
19MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
|
20MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
20MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
NONE |
|
21MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
|
21MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
|
21MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 256K x 36 |
|
21MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
|
21MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
21MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
|
22MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
22MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
23MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
|
23MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 4M x 36 |
|
23MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
|
23MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
|
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
25MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
25MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
25MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
|
25MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
NONE |
|
DRAM CONFIGURATION (CONTINUED) |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
26MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
26MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
|
26MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
|
26MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
NONE |
|
27MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
|
27MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
|
28MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
|
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
|
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
28MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
29MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
29MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
|
30MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
|
30MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
33MB |
(1) 8M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
33MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
|
33MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
33MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 256K x 36 |
|
33MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
|
34MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 256K x 36 |
NONE |
|
34MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
34MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
35MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
|
35MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 8M x 36 |
NONE |
|
35MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
|
35MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
37MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
|
37MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
|
37MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
|
37MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
38MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 512K x 36 |
NONE |
|
38MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
|
38MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
38MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
|
38MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
DRAM CONFIGURATION (CONTINUED) |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
39MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
|
39MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
|
40MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
40MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
|
40MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
|
41MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
NONE |
|
41MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 8M x 36 |
NONE |
|
41MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
|
41MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
|
42MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 4M x 36 |
|
44MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
44MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
44MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
|
45MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
|
45MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 256K x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
48MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
|
49MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
|
49MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
49MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
|
49MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
|
50MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
NONE |
|
50MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
|
50MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
50MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 4M x 36 |
|
51MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
|
51MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
|
52MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
|
52MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
|
53MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
53MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
|
54MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 4M x 36 |
|
54MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
|
56MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
56MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
|
56MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 2M x 26 |
NONE |
|
56MB |
(1) 2M x 26 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
|
57MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 2M x 26 |
(1) 4M x 36 |
|
57MB |
(1) 2M x 26 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 256K x 36 |
|
DRAM CONFIGURATION (CONTINUED) |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
|
Note:For CPU cards that only support 32MB of RAM, use bank 0 and bank 1 only. Double-sided SIMMs can only be installed in bank 2 and bank 3. |
||||
DIGITAL SCIENTIFIC RESEARCH, INC.
ISPB-12T
|
Processor |
Dependant on external CPU card installed. |
|
Processor Speed |
Dependant on external CPU card installed. |
|
Chip Set |
Dependant on external CPU card installed. |
|
Max. Onboard DRAM |
Dependant on external CPU card installed. |
|
Cache |
Dependant on external CPU card installed. |
|
BIOS |
Dependant on external CPU card installed. |
|
I/O Options |
None |
|
NPU Options |
Dependant on external CPU card installed. |

|
Processor |
Dependant on CPU card installed. |
|
Processor Speed |
Dependant on CPU card installed. |
|
Chip Set |
ACC |
|
Max. Onboard DRAM |
32MB |
|
Cache |
None |
|
BIOS |
Dependant on CPU card installed. |
|
I/O Options |
Proprietary external CPU card slot, bus mouse port, parallel port,serial ports (2) |
|
NPU Options |
None |

|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
External battery |
J6 |
|
Power LED & keylock |
J1 |
Parallel port |
J7 |
|
Reset switch |
J2 |
Serial port 2 |
J8 |
|
Turbo switch |
J3 |
PS/2 mouse |
JP1 |
|
Turbo LED |
J4 |
External keyboard connector |
J9 |
|
Speaker |
J5 |
Proprietary external CPU slots |
SL1, SL2 |
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper/Switch |
Position |
|
|
» |
LPT interrupt select IRQ7 |
JP2 |
pins 1 & 2 closed |
|
|
LPT interrupt select IRQ5 |
JP2 |
pins 3 & 4 closed |
|
» |
Serial port 2 interrupt select IRQ4 |
JP3 |
pins 1 & 2 closed |
|
|
Serial port 2 interrupt select IRQ3 |
JP3 |
pins 3 & 4 closed |
|
» |
Serial port 1 interrupt select IRQ3 |
JP4 |
pins 3 & 4 closed |
|
|
Serial port 1 interrupt select IRQ4 |
JP4 |
pins 1 & 2 closed |
|
SERIAL PORT 1 CONFIGURATION |
||
|
Port 1 |
JP7 |
|
|
» |
COM1 |
pins 1 & 2 closed |
|
|
COM2 |
pins 3 & 4 closed |
|
|
COM3 |
pins 5 & 6 closed |
|
|
COM4 |
pins 7 & 8 closed |
|
|
Disabled |
pins 9 & 10 closed |
|
SERIAL PORT 2 CONFIGURATION |
||
|
Port 2 |
JP6 |
|
|
» |
COM2 |
pins 3 & 4 closed |
|
|
COM1 |
pins 1 & 2 closed |
|
|
COM3 |
pins 5 & 6 closed |
|
|
COM4 |
pins 7 & 8 closed |
|
|
Disabled |
pins 9 & 10 closed |
|
PARALLEL PORT CONFIGURATION |
||
|
LPT |
JP5 |
|
|
» |
LPT1 |
pins 1 & 2 closed |
|
|
LPT2 |
pins 3 & 4 closed |
|
|
Disabled |
pins 5 & 6 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) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
Processor |
80386DX |
|
Processor Speed |
25/33/40MHz |
|
Chip Set |
ACC |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/256KB |
|
BIOS |
AMI |
|
NPU Options |
None |

|
CONNECTIONS |
|
|
Purpose |
Location |
|
CPU card connectors |
CN1, CN2 |
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Factory configured - do not alter |
JP1 |
N/A |
|
» |
Factory configured - do not alter |
JP4 |
N/A |
|
» |
Factory configured - do not alter |
JP5 |
N/A |
|
» |
Factory configured - do not alter |
JP7 |
N/A |
|
Note:Jumpers located on this card are BIOS controlled and should not be altered. |
|||
|
CACHE CONFIGURATION |
||
|
Size |
Bank 0 |
TAG |
|
64KB |
(8) 8K x 8 |
(1) 8K x 8 |
|
256KB |
(8) 32K x 8 |
(1) 32K x 8 |
|
Processor |
80386SX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
ACC |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/256KB |
|
BIOS |
AMI |
|
NPU Options |
80387SX |

|
CONNECTIONS |
|
|
Purpose |
Location |
|
PS/2 mouse connector |
J3 |
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Monitor type select monochrome |
JP1 |
pins 1 & 2 closed |
|
|
Monitor type select color |
JP1 |
pins 2 & 3 closed |
|
» |
IRQ 12 enabled |
JP3 |
Closed |
|
|
IRQ 12 disabled |
JP3 |
Open |
|
Processor |
80386SX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
OPTi |
|
Max. Onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
AMI |
|
NPU Options |
80387SX |

|
CONNECTIONS |
|
|
Purpose |
Location |
|
PS/2 mouse connector |
J1 |
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Monitor type select monochrome |
JP2 |
pins 1 & 2 closed |
|
|
Monitor type select color |
JP2 |
pins 2 & 3 closed |
|
» |
IRQ 12 enabled |
JP3 |
Closed |
|
|
IRQ 12 disabled |
JP3 |
Open |
|
MISCELLANEOUS TECHNICAL NOTES |
|
Note:Model IA386S-P/XX can support 32 MB of memory and uses ACC chipset. |
|
Model IO386S-P/XX can support 16 MB of memory and uses either OPTI or ATMEL chipset. |
|
Processor |
80386DX |
|
Processor Speed |
33/40MHz |
|
Chip Set |
OPTi or ATMEL |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/256KB |
|
BIOS |
AMI/(MR BIOS is optional) |
|
Dimensions |
220mm x 220mm |
|
NPU Options |
80387/3167 |

|
CONNECTIONS |
|
|
Purpose |
Location |
|
CPU card connectors |
CN1, CN2 |
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Factory configured - do not alter |
JP1 |
N/A |
|
Note:This jumper may not be on all CPU cards. |
|||
|
CACHE CONFIGURATION |
||
|
Size |
Bank 0 |
TAG |
|
64KB |
(8) 8K x 8 |
(1) 8K x 8 |
|
256KB |
(8) 32K x 8 |
(1) 32K x 8 |
|
Processor |
80486SX/80486DX/80486DX2 |
|
Processor Speed |
20/25/33/50(internal)/66(internal)MHz |
|
Chip Set |
ACC |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/256KB |
|
BIOS |
AMI |
|
I/O Options |
None |
|
NPU Options |
None |

|
CONNECTIONS |
|
|
Purpose |
Location |
|
CPU card connectors |
CN1, CN2 |
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper/Switch |
Position |
|
|
» |
Factory configured - do not alter |
J3 |
N/A |
|
» |
Factory configured - do not alter |
JP12 |
N/A |
|
|
PS/2 mouse enable |
JP33 |
Closed |
|
|
PS/2 mouse disable |
JP33 |
Open |
|
CPU TYPE CONFIGURATION |
||
|
Type |
JP2 |
JP3 |
|
80486SX |
pins 2 & 3 closed |
Open |
|
80486DX |
pins 1 & 2, 3 & 4 closed |
pins 3 & 4 closed |
|
80486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
|
CPU SPEED CONFIGURATION |
|
|
Speed |
S0 |
|
25MHz |
Closed |
|
33MHz |
Open |
|
50iMHz |
Closed |
|
66iMHz |
Open |
|
CACHE CONFIGURATION |
|||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |