TMC RESERCH CORPORATION
AI5TH (VER. 1.0)
Processor |
CX M1/AM K5/Pentium |
Processor Speed |
75/90/100/120/133/150/166/180/200MHz |
Chip Set |
Intel |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB DRAM (EDO supported) |
Maximum Video Memory |
None |
Cache |
256/512KB |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connectors (2), VRM connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse interface |
J5 |
Speaker |
J20 pins 1 - 4 |
IR connector |
J6 |
Green PC connector |
J20 pins 6 & 16 |
Serial port 1 |
J7 |
Turbo LED |
J20 pins 8 & 18 |
IR connector |
J8 |
Reset switch |
J20 pins 9 & 19 |
Serial port 2 |
J9 |
IDE interface LED |
J20 pins 10 & 20 |
Floppy drive interface |
J12 |
Power LED & keylock |
J20 pins 11 - 15 |
Parallel port |
J13 |
32-bit PCI slots |
PC1 - PC4 |
IDE interface 1 |
J15 |
Cache slot |
SL1 |
IDE interface 2 |
J16 |
VRM connector |
VRM |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Flash BIOS voltage select 5v |
JP7 |
Pins 2 & 3 closed |
Flash BIOS voltage select 12v |
JP7 |
Pins 1 & 2 closed | |
» |
AT bus clock select PCICLK/4 |
JP13 |
Closed |
AT bus clock select PCICLK/3 |
JP13 |
Open | |
» |
CMOS memory normal operation |
JP17 |
Open |
CMOS memory clear |
JP17 |
Closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
8MB |
None |
(2) 1M x 36 |
8MB |
(2) 1M x 36 |
None |
16MB |
None |
(2) 2M x 36 |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
32MB |
None |
(2) 4M 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 |
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
64MB |
None |
(2) 8M 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 |
DRAM CONFIGURATION (CON’T) | ||
Size |
Bank 0 |
Bank 1 |
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
96MB |
(2) 4M x 36 |
(2) 8M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. |
CACHE CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
TAG |
SL1 |
256KB (A) |
(2) 32K x 32 |
None |
Unidentified |
Not installed |
256KB (B) |
None |
None |
None |
Installed |
512KB (A) |
(2) 32K x 32 |
(2) 32K x 32 |
Unidentified |
Not installed |
512KB (B) |
(2) 64K x 32 |
None |
Unidentified |
Not installed |
512KB (C) |
None |
None |
None |
Installed |
Note: The location of Banks 0 & 1 are unidentified. The TAG chip sizes are unidentified. |
CACHE JUMPER CONFIGURATION | ||
Size |
JP21 |
JP22 |
None |
Open |
Open |
256KB (A, B) |
Closed |
Open |
512KB (A, B, C) |
Open |
Closed |
CACHE BANK CONFIGURATION | ||
Setting |
JP23 |
JP24 |
1 bank |
Open |
Open |
2 banks |
Closed |
Closed |
CPU SPEED SELECTION (CYRIX) | |||||
Speed |
JP8 |
JP9 |
JP10 |
JP11 |
JP12 |
120MHz |
Closed |
Closed |
Closed |
Closed |
Open |
150MHz |
Closed |
Open |
Closed |
Closed |
Open |
166MHz |
Open |
Closed |
Open |
Closed |
Open |
CPU SPEED SELECTION (AMD) | |||||
Speed |
JP8 |
JP9 |
JP10 |
JP11 |
JP12 |
75MHz |
Closed |
Closed |
Closed |
Open |
Open |
90MHz |
Closed |
Open |
Closed |
Open |
Open |
100MHz |
Open |
Closed |
Open |
Open |
Open |
CPU SPEED SELECTION (INTEL) | |||||
Speed |
JP8 |
JP9 |
JP10 |
JP11 |
JP12 |
75MHz |
Closed |
Closed |
Closed |
Open |
Open |
90MHz |
Closed |
Open |
Closed |
Open |
Open |
100MHz |
Open |
Closed |
Open |
Open |
Open |
120MHz |
Closed |
Open |
Closed |
Closed |
Open |
133MHz |
Open |
Closed |
Open |
Closed |
Open |
150MHz |
Closed |
Open |
Closed |
Closed |
Closed |
166MHz |
Open |
Closed |
Open |
Closed |
Closed |
180MHz |
Closed |
Open |
Closed |
Open |
Closed |
200MHz |
Open |
Closed |
Open |
Open |
Closed |
CPU TYPE SELECTION | |
Type |
JP19 |
Standard CPU |
Closed |
VRE CPU |
Open |
DMA CHANNEL SELECTION | |||
Channel |
JP3 |
JP4 | |
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
» |
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
SERIAL PORT SELECTION | |||
Setting |
JP1 |
JP2 | |
» |
Serial port 2 set as serial port |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
IR connector |
Pins 2 & 3 closed |
Pins 2 & 3 closed |