EVEREX SYSTEMS, INC.
TEMPO 486-25/33/50 EV-18173
|
Processor |
80486SX/80487SX/80486DX |
|
Processor Speed |
25/33/50MHZ |
|
Chip Set |
C & T/Suntac |
|
Max. onboard DRAM |
32MB |
|
SRAM Cache |
32/64KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, front panel connector, IDE interface parallel port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Parallel Port |
CN1 |
Reset switch |
J1 |
|
Serial Port (COM1) |
CN2 |
Speaker |
J3 |
|
Serial Port (COM2) |
CN3 |
Front panel connector |
J10 |
|
IDE interface |
CN4 |
IDE interface LED |
J13 |
|
Floppy drive interface |
CN5 |
Unknown |
J18 |
|
Note:The location of J1 is unknown. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Factory configured - do not alter |
JP1 |
Unknown | |
|
Factory configured - do not alter |
JP2 |
Unknown | |
|
Factory configured - do not alter |
JP3 |
Unknown | |
|
Factory configured - do not alter |
JP4 |
Unknown | |
|
I/O bus speed select 1 wait state |
JP5 |
Open | |
|
I/O bus speed select 0 wait states |
JP5 |
Closed | |
|
CMOS memory normal operation |
JP8 |
Unknown | |
|
CMOS memory clear |
JP11 |
Unknown | |
|
Factory configured - do not alter |
JP11 |
Unknown | |
|
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) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | |||
|
Size |
Cache |
TAG |
Dirty Bit (DB) |
|
32KB |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 16K x 1 |
|
64KB |
(4) 16K x 8 |
(1) 16K x 8 |
(1) 16K x 1 |
|
COM1 DTE/DCE CONFIGURATION | |
|
Mode |
Jumper Block COM1 |
|
DCE |
|
|
DTE |
|
|
COM2 DTE/DCE CONFIGURATION | |
|
Mode |
Jumper Block COM2 |
|
DCE |
|
|
DTE |
|
|
CACHE RESISTOR CONFIGURATION | ||
|
Size |
TR1 |
TR2 |
|
32KB |
Not Installed |
Installed |
|
64KB |
Installed |
Not Installed |
|
CPU TYPE CONFIGURATION | ||
|
TYPE |
JP7 |
JP9 |
|
80486SX |
Pins 2 & 3 closed |
Open |
|
80487SX |
Pins 2 & 3 closed |
Open |
|
80486DX |
Pins 1 & 2 closed |
Closed |