ATC/UNITRON COMPUTERS & COMPUTER PARTS
MB532
| 
 Processor  | 
 Pentium  | 
| 
 Processor Speed  | 
 75/90/100/120/133MHz  | 
| 
 Chip Set  | 
 Intel  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 256/512KB  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), cache slot  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 CN1  | 
 VRM module connector  | 
 JP20  | 
| 
 Serial port 2  | 
 CN2  | 
 Speaker  | 
 JP21  | 
| 
 Parallel port  | 
 CN3  | 
 Power LED & keylock  | 
 JP22  | 
| 
 Floppy drive interface  | 
 CN4  | 
 Reset switch  | 
 JP23  | 
| 
 IDE interface 2  | 
 CN5  | 
 Green PC connector  | 
 JP24  | 
| 
 IDE interface 1  | 
 CN6  | 
 32-bit PCI slots  | 
 PC1 - PC4  | 
| 
 IDE interface LED  | 
 JP7  | 
 Cache slot  | 
 SL1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 CMOS memory normal operation  | 
 JP2  | 
 Open  | 
| 
 CMOS memory clear  | 
 JP2  | 
 Closed  | |
| 
 »  | 
 BIOS type select EPROM/5v flash  | 
 JP3  | 
 Open  | 
| 
 BIOS type select 12v flash  | 
 JP3  | 
 Closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP6  | 
 N/A  | 
| 
 AT bus clock select CPU speed/8  | 
 JP12  | 
 pins 2 & 3 closed  | |
| 
 AT bus clock select CPU speed/6  | 
 JP12  | 
 pins 1 & 2 closed  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 NONE  | 
| 
 8MB  | 
 NONE  | 
 (2) 1M x 36  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 NONE  | 
| 
 16MB  | 
 NONE  | 
 (2) 2M x 36  | 
| 
 16MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 24MB  | 
 (2) 1M x 36  | 
 (2) 2M x 36  | 
| 
 24MB  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 NONE  | 
| 
 32MB  | 
 NONE  | 
 (2) 4M x 36  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 40MB  | 
 (2) 1M x 36  | 
 (2) 4M x 36  | 
| 
 40MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
| 
 48MB  | 
 (2) 2M x 36  | 
 (2) 4M x 36  | 
| 
 48MB  | 
 (2) 4M x 36  | 
 (2) 2M x 36  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 NONE  | 
| 
 64MB  | 
 NONE  | 
 (2) 8M x 36  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 72MB  | 
 (2) 1M x 36  | 
 (2) 8M x 36  | 
| 
 72MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
| 
 80MB  | 
 (2) 2M x 36  | 
 (2) 8M x 36  | 
| 
 80MB  | 
 (2) 8M x 36  | 
 (2) 2M x 36  | 
| 
 96MB  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
| 
 96MB  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 TAG  | 
 SL1  | 
| 
 256KB (A)  | 
 (8) 32K x 8  | 
 (1) 8K x 8  | 
 Not installed  | 
| 
 256KB (B)  | 
 NONE  | 
 (1) 8K x 8  | 
 Installed  | 
| 
 512KB (A)  | 
 (8) 64K x 8  | 
 (1) 16K x 8  | 
 Not installed  | 
| 
 512KB (B)  | 
 NONE  | 
 (1) 16K x 8  | 
 Installed  | 
| 
 Note: The location of Bank 0 and TAG is not exact. It is shown for approximate location purposes only.  | |||
| 
 CPU CLOCK SPEED CONFIGURATION  | ||
| 
 Speed  | 
 JP8  | 
 JP9  | 
| 
 50MHz  | 
 Closed  | 
 Closed  | 
| 
 60MHz  | 
 Open  | 
 Closed  | 
| 
 66MHz  | 
 Closed  | 
 Open  | 
| 
 CPU INTERNAL CLOCK SPEED CONFIGURATION  | ||
| 
 Speed  | 
 JP16  | 
 JP17  | 
| 
 1.5x  | 
 Open  | 
 Open  | 
| 
 2x  | 
 Closed  | 
 Open  | 
| 
 2.5x  | 
 Closed  | 
 Closed  | 
| 
 3x  | 
 Open  | 
 Closed  | 
| 
 CPU VOLTAGE CONFIGURATION  | |
| 
 Voltage  | 
 JP11  | 
| 
 3.3v  | 
 pins 2 & 3 closed  | 
| 
 3.5v  | 
 pins 1 & 2 closed  | 
| 
 DMA CONFIGURATION  | ||
| 
 DMA  | 
 JP4  | 
 JP5  | 
| 
 DMA 1  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 DMA 3  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  |