TEXAS MICROSYSTEMS, INC.
P575/90
|
Processor |
Pentium |
|
Processor Speed |
90/100MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB |
|
Maximum Video Memory |
None |
|
Cache |
256/512KB |
|
BIOS |
Phoenix |
|
Dimensions |
337mm x 122mm |
|
I/O Options |
Floppy drive interface, IDE interface, SCSI interface, parallel port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
SCSI interface |
CN1 |
Serial port 1 |
CN6 |
|
IDE interface |
CN2 |
Parallel port |
CN7 |
|
Floppy drive interface |
CN3 |
AT keyboard connector |
CN8 |
|
Optional keyboard connector |
CN4 |
Hard drive LED |
JP15 |
|
Serial port 2 |
CN5 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Cache type select write back |
JP1 |
Open |
|
Cache type select write through |
JP1 |
Closed | |
|
|
Pipeline mode enabled |
JP2 |
Closed |
|
Pipeline mode disabled |
JP2 |
Open | |
|
|
Watchdog timer enabled |
JP4 |
Pins 1 & 2 closed |
|
Watchdog timer disabled |
JP4 |
Pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
JP5 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
JP6 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
JP7 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
JP8 |
Pins 2 & 3 closed |
|
|
Cache type select burst |
JP10 |
Pins 2 & 3 closed |
|
Cache type select standard |
JP10 |
Pins 1 & 2 closed | |
|
|
SCSI speed select 40MHz |
JP13 |
Pins 1 & 2 closed |
|
SCSI speed select 33MHz |
JP13 |
Pins 2 & 3 closed | |
|
|
PS/2 IRQ 12 enabled |
JP14 |
Pins 2 & 3 closed |
|
Next Step OS used |
JP14 |
Pins 1 & 2 closed | |
|
|
Monitor type select color |
SW1/1 |
On |
|
Monitor type select monochrome |
SW1/1 |
Off | |
|
|
Flash BIOS enabled |
SW1/2 |
Off |
|
Flash BIOS disabled |
SW1/2 |
On | |
|
|
CMOS memory normal operation |
SW1/3 |
Off |
|
CMOS memory clear |
SW1/3 |
On | |
|
|
Factory configured - do not alter |
SW1/4 |
Unidentified |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
8MB |
(2) 1M x 36 |
None |
|
16MB |
(2) 2M x 36 |
None |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 4M x 36 |
None |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
|
64MB |
(2) 8M x 36 |
None |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
|
CACHE CONFIGURATION |
|
Note: The location of the cache is unidentified. |
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
JP9 |
JP11 |
JP12 |
|
None |
N/A |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
256KB |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
512KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
CPU SPEED SELECTION | |
|
Speed |
JP3 |
|
1/2 |
Closed |
|
2/3 |
Open |