TMC RESEARCH CORPORATION
PCI58PV (VER. 2.0)
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
20/25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
SIS |
|
Max. Onboard DRAM |
32MB |
|
SRAM Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
254mm x 2184mm |
|
I/O Options |
None |
|
NPU Options |
None |

|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J1/pins 1-4 |
IDE interface LED (output) |
J1/pins 10 & 20 |
|
Turbo switch |
J1 pins 7 & 17 |
Power LED & keylock |
J1/pins 11 - 15 |
|
Turbo LED |
J1/pins 8 & 18 |
IDE interface LED (input) |
J2 |
|
Reset switch |
J1/pins 9 & 19 |
External battery |
J6 |
|
Note: Connect the chassis HD LED to J1/pins 10 & 20 then connect the hard drive LED jumper on the drive controller to J2. |
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|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
CMOS memory normal operation (internal battery) |
JP10 |
pins 1 & 2 closed |
|
|
CMOS memory normal operation (external battery) |
JP10 |
open |
|
|
CMOS memory clear |
JP10 |
pins 2 & 3 closed |
|
|
CPU speed select < 50MHz |
JP11 |
pins 1 & 2 closed |
|
|
CPU speed select 50MHz |
JP11 |
pins 2 & 3 closed |
|
» |
Factory configured - do not alter |
JP12 |
open |
|
» |
Monitor type select color |
JP13 |
closed |
|
|
Monitor type select monochrome |
JP13 |
open |
|
» |
Factory configured - do not alter |
JP17 |
pins 1 & 2 closed |
|
Note: CPU speed select refers to the external speed of the CPU. (i.e. A DX2/66 would be < 50 because the external speed is 33MHz.) |
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|
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 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
SRAM CONFIGURATION |
|||
|
Size |
Cache |
Location |
TAG (U39) |
|
64KB |
(8) 8K x 8 |
Banks 0 & 1 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
Bank 0 |
(1) 8K x 8 |
|
256KB |
(8) 32K x 8 |
Banks 0 & 1 |
(1) 32K x 8 |
|
SRAM RESISTOR NETWORK CONFIGURATION |
|||
|
Size |
RN64 |
RN128 |
RN256 |
|
64KB |
closed |
open |
open |
|
128KB |
open |
closed |
open |
|
256KB |
open |
open |
closed |
|
CPU JUMPER CONFIGURATION |
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|
CPU |
RNA |
RNB |
RNC |
|
80486SX |
open |
open |
closed |
|
80487SX |
open |
open |
closed |
|
80486DX |
closed |
open |
open |
|
ODP486SX |
open |
closed |
open |
|
80486DX2 |
closed |
open |
open |