EVEREX SYSTEMS, INC.
STEP 386SX20 GATE ARRAY EV-18107C
|
Processor |
80386SX |
|
Processor Speed |
20MHz |
|
Chip Set |
C & T |
|
Max. onboard DRAM |
16MB |
|
Cache |
64KB |
|
BIOS |
AMI |
|
Dimensions |
355mm x 304mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, serial ports (2) |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Parallel port |
J7 |
Floppy drive interface |
U100 |
|
IDE interface |
J8 |
Serial port 2 |
U106 |
|
Speaker |
JP2 |
Serial port 1 |
U107 |
|
External battery |
JP9 |
LED connector |
LED |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Cache LED disabled |
J3 |
Closed | |
|
Cache LED enabled |
J3 |
Open | |
|
BIOS type select 27256 |
JP8 |
Open | |
|
BIOS type select 27512 |
JP8 |
Closed | |
|
Floppy drive interface enabled |
JP9 |
pins 1 & 2 closed | |
|
Floppy drive interface disabled |
JP9 |
pins 3 & 4 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(2) 256K x 9 |
NONE |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
|
2.5MB |
(2) 256K x 9 |
(2) 1M x 9 |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
|
8MB |
(2) 4M x 9 |
NONE |
|
8.5MB |
(2) 256K x 9 |
(2) 4M x 9 |
|
10MB |
(2) 1M x 9 |
(2) 4M x 9 |
|
16MB |
(2) 4M x 9 |
(2)4M x 9 |
|
ONBOARD SERIAL/PARALLEL CONFIGURATION | |||
|
Port |
Connector |
IRQ |
Address |
|
COM1 |
U107 |
IRQ4 |
3F8h |
|
COM2 |
U106 |
IRQ3 |
2F8h |
|
LPT2 |
J7 |
IRQ7 |
378h |
|
Note:The onboard serial & parallel port configurations are fixed and cannot be altered or disabled. | |||