TMC RESEARCH CORPORATION
IAT48PX
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
20/25/33/50 (Internal)/50/60 (Internal)MHz |
|
Chip Set |
OPTI |
|
Max. onboard DRAM |
32MB |
|
SRAM Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, floppy drive interface, parallel ports (2), serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J1A |
Serial port (COM1) DB-9 |
J6 |
|
Power LED & keylock |
J1B |
Parallel port DP-9 |
J7 |
|
Not used |
J1C |
10-pin header serial port (COM2) |
J8 |
|
Turbo switch |
J1D |
10-pin header serial port (COM1) |
J9 |
|
Turbo LED |
J1E |
Parallel port 10-pin header |
J10 |
|
Reset switch |
J1F |
No function |
J17 |
|
IDE interface LED |
J1G, J2 |
Floppy drive interface |
J18 |
|
External battery |
J4 |
IDE interface |
J19 |
|
Serial port (COM2) DB-9 |
J5 |
16-bit riser card |
S1 |
|
Note: Depending on the specifications, the IAT48PX will have either 10-pin header serial ports or the DB-9 serial ports. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
CMOS memory normal operation (Internal Battery) |
JP1 |
pins 2 & 3 closed | |
|
CMOS memory normal operation (External Battery) |
JP1 |
Open | |
|
CMOS memory clear |
JP1 |
pins 1 & 2 closed | |
|
Monitor type select color |
JP2 |
Closed | |
|
Monitor type select monochrome |
JP2 |
Open | |
|
Floppy drive interface (J18) enabled |
JP3 |
Closed | |
|
Floppy drive interface (J18) disabled |
JP3 |
Open | |
|
IDE interface enabled |
JP4 & JP5 |
Closed | |
|
IDE interface disabled |
JP4 & JP5 |
Open | |
|
I/O bus speed select ATCLK/4 |
JP6 |
Open | |
|
I/O bus speed select ATCLK/6 |
JP6 |
Closed | |
|
CPU clock select single frequency |
JP7 |
pins 1 & 2 closed | |
|
CPU speed select dual frequency |
JP7 |
pins 2 & 3 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 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
U45 |
U44 (TAG) |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 4K x 4 |
|
128KB |
(4) 32K x 8 |
None |
(1) 8K x 8 |
(1) 4K x 4 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 8K x 8 |
(1) 4K x 4 |
|
CACHE RN SOCKET CONFIGURATION | |||
|
Size |
RND |
RNE |
RNF |
|
64KB |
Installed |
Not installed |
Not installed |
|
128KB |
Not installed |
Installed |
Not installed |
|
256KB |
Not installed |
Not installed |
Installed |
|
SERIAL PORT CONFIGURATION | |||
|
COM1 |
COM2 |
RNH | |
|
COM1 |
COM2 |
Installed on 1, 2, 3, and 4 | |
|
COM1 |
Disabled |
Installed on 2, 3, 4, and 5 | |
|
Disabled |
COM2 |
Installed on 3, 4, 5, and 6 | |
|
Disabled |
Disabled |
Installed on 4, 5, 6, and 7 | |
|
PARALLEL PORT CONFIGURATION | |||
|
LPT |
Address |
RNG | |
|
1 |
3BCh - 3BEh |
Installed on 2, 3, 4, and 5 | |
|
2 |
378h - 37Fh |
Installed on 1, 2, 3, and 4 | |
|
Disabled |
N/A |
Installed on 4, 5, 6, and 7 | |
|
CPU TYPE CONFIGURATION | |||
|
Type |
RNA |
RNB |
RNC |
|
80486SX |
Not installed |
Not installed |
Installed |
|
80487SX |
Not installed |
Installed |
Not installed |
|
80486DX |
Installed |
Not installed |
Not installed |
|
ODP486SX |
Not installed |
Installed |
Not installed |
|
80486DX2 |
Installed |
Not installed |
Not installed |