TECHMEDIA COMPUTER SYSTEMS CORPORATION
TMB-I430VX-ATX
| 
 Processor  | 
 CX M1/AM K5/Pentium  | 
| 
 Processor Speed  | 
 75/90/100/120/133/150/166/180/200MHz  | 
| 
 Chip Set  | 
 Intel  | 
| 
 Video Chip Set  | 
 S3  | 
| 
 Maximum Onboard Memory  | 
 128MB (EDO supported)  | 
| 
 Maximum Video Memory  | 
 2MB  | 
| 
 Cache  | 
 256/512KB  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 280mm x 224mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), VGA port, cache slot, IR connector, USB connector, ATX power connector  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 ATX power supply  | 
 ATX  | 
 Chassis fan power  | 
 JFAN  | 
| 
 IDE interface LED  | 
 C1  | 
 Soft off power supply  | 
 JPATX1  | 
| 
 Green PC connector  | 
 C2  | 
 IDE interface 1  | 
 JHDD1  | 
| 
 Reset switch  | 
 C3  | 
 IDE interface 2  | 
 JHDD2  | 
| 
 Speaker  | 
 C4  | 
 IR connector  | 
 JP17A  | 
| 
 Power LED & keylock  | 
 C5  | 
 PS/2 mouse interface  | 
 JM1  | 
| 
 Floppy drive interface  | 
 CN2A  | 
 PS/2 mouse port  | 
 MS1  | 
| 
 Serial port 1  | 
 CN3A  | 
 VGA port  | 
 O4  | 
| 
 Serial port 2  | 
 CN4A  | 
 32-bit PCI slots  | 
 PC1 – PC3  | 
| 
 Parallel port  | 
 CN6A  | 
 Cache slot  | 
 SL1  | 
| 
 Green PC LED  | 
 J4  | 
 USB connector  | 
 USB1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J2  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J14  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J15  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J18  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J1V  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J2V  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP8A  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP9A  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP14A  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP15A  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP16A  | 
 Unidentified  | 
| 
 »  | 
 CMOS memory normal operation  | 
 JRTC1  | 
 Open  | 
| 
 CMOS memory clear  | 
 JRTC1  | 
 Closed  | |
| 
 DIMM/DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 8MB  | 
 None  | 
 None  | 
 (1) 1M x 64  | 
 None  | 
| 
 16MB  | 
 None  | 
 None  | 
 (1) 2M x 64  | 
 None  | 
| 
 16MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 None  | 
 None  | 
| 
 24MB  | 
 (2) 1M x 36  | 
 (2) 2M x 36  | 
 None  | 
 None  | 
| 
 24MB  | 
 (2) 2M x 36  | 
 None  | 
 None  | 
 (1) 1M x 64  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 32MB  | 
 None  | 
 None  | 
 (1) 4M x 64  | 
 None  | 
| 
 32MB  | 
 None  | 
 None  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 None  | 
 None  | 
| 
 40MB  | 
 (2) 1M x 36  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
| 
 40MB  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
 (1) 1M x 64  | 
| 
 DIMM/DRAM CONFIGURATION (CON’T)  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 48MB  | 
 (2) 2M x 36  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
| 
 48MB  | 
 (2) 2M x 36  | 
 None  | 
 (1) 4M x 64  | 
 None  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 64MB  | 
 None  | 
 None  | 
 None  | 
 (1) 8M x 64  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
| 
 64MB  | 
 None  | 
 None  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
| 
 72MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
 None  | 
 None  | 
| 
 72MB  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
 (1) 1M x 64  | 
| 
 80MB  | 
 (2) 2M x 36  | 
 None  | 
 None  | 
 (1) 8M x 64  | 
| 
 80MB  | 
 (2) 8M x 36  | 
 (2) 2M x 36  | 
 None  | 
 None  | 
| 
 80MB  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
 (1) 2M x 64  | 
| 
 96MB  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
| 
 96MB  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
 (1) 8M x 64  | 
| 
 96MB  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
 (1) 4M x 64  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
| 
 Note: Board accepts EDO memory. Banks 0 & 1, 2 & 3 are interchangeable.  | ||||
| 
 DIMM VOLTAGE CONFIGURATION  | |||
| 
 Voltage  | 
 J11  | 
 J12  | 
 J13  | 
| 
 3.3v  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 5v  | 
 Pins 3 & 4 closed  | 
 Pins 3 & 4 closed  | 
 Pins 3 & 4 closed  | 
| 
 CACHE CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 SL1  | 
| 
 256KB (A)  | 
 (2) 32K x 32  | 
 Not installed  | 
| 
 256KB (B)  | 
 (2) 32K x 32  | 
 256KB module installed  | 
| 
 512KB  | 
 (2) 64K x 32  | 
 Not installed  | 
| 
 Note: The location of bank 0 is unidentified.  | ||
| 
 CACHE JUMPER CONFIGURATION  | ||
| 
 Size  | 
 J14K  | 
 J15K  | 
| 
 256KB (A)  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 256KB (B)  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
| 
 512KB  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
| 
 VIDEO MEMORY CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (2) 256K x 16  | 
 None  | 
| 
 2MB  | 
 (2) 256K x 16  | 
 (2) 256K x 16  | 
| 
 CPU SPEED SELECTION (CYRIX)  | ||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 120MHz  | 
 50MHz  | 
 1.5x  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 150MHz  | 
 60MHz  | 
 1.5x  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 166MHz  | 
 66MHz  | 
 1.5x  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 CPU SPEED SELECTION (CYRIX, CON’T)  | ||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW1/5  | 
 SW1/6  | 
 SW1/7  | 
 SW1/8  | 
| 
 120MHz  | 
 50MHz  | 
 2x  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 150MHz  | 
 60MHz  | 
 2x  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 166MHz  | 
 66MHz  | 
 2x  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 CPU SPEED SELECTION (AMD)  | ||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 75MHz  | 
 50MHz  | 
 1.5x  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 90MHz  | 
 60MHz  | 
 1.5x  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 100MHz  | 
 66MHz  | 
 1.5x  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 CPU SPEED SELECTION (AMD, CON’T)  | ||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW1/5  | 
 SW1/6  | 
 SW1/7  | 
 SW1/8  | 
| 
 75MHz  | 
 50MHz  | 
 1.5x  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 90MHz  | 
 60MHz  | 
 1.5x  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 100MHz  | 
 66MHz  | 
 1.5x  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 CPU SPEED SELECTION (INTEL)  | ||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 75MHz  | 
 50MHz  | 
 1.5x  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 90MHz  | 
 60MHz  | 
 1.5x  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 100MHz  | 
 66MHz  | 
 1.5x  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 120MHz  | 
 60MHz  | 
 2x  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 133MHz  | 
 66MHz  | 
 2x  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 150MHz  | 
 60MHz  | 
 2.5x  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 180MHz  | 
 60MHz  | 
 3x  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 CPU SPEED SELECTION (INTEL, CON’T)  | ||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW1/5  | 
 SW1/6  | 
 SW1/7  | 
 SW1/8  | 
| 
 75MHz  | 
 50MHz  | 
 1.5x  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 90MHz  | 
 60MHz  | 
 1.5x  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 100MHz  | 
 66MHz  | 
 1.5x  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 120MHz  | 
 60MHz  | 
 2x  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 133MHz  | 
 66MHz  | 
 2x  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 150MHz  | 
 60MHz  | 
 2.5x  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 180MHz  | 
 60MHz  | 
 3x  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 CPU VOLTAGE SELECTION  | ||||
| 
 Voltage  | 
 V core  | 
 J16  | 
 J17  | 
 JB3P1  | 
| 
 3v  | 
 2.8v  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 3.3v  | 
 3.3v  | 
 Open  | 
 Open  | 
 1 & 2, 3 & 3, 5 & 6, 7 & 8  |