DIGITAL EQUIPMENT CORPORATION
STARION 400, 500
| 
 Device Type  | 
 Mainboard  | 
| 
 Processor  | 
 Pentium  | 
| 
 Processor Speed  | 
 60/66MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Video Chip Set  | 
 C & T  | 
| 
 Maximum Onboard Memory  | 
 128MB  | 
| 
 Maximum Video Memory  | 
 2MB  | 
| 
 Cache  | 
 256/512KB  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 254mm x 218mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 VGA port  | 
 CN1  | 
 PS/2 mouse port  | 
 CN5  | 
| 
 Parallel port  | 
 CN2  | 
 Floppy drive interface  | 
 CN6  | 
| 
 Serial port  | 
 CN3  | 
 IDE interface  | 
 CN7  | 
| 
 Serial port  | 
 CN4  | 
 Riser slot  | 
 SL1  | 
| 
 Note: VGA & serial ports are shown for informational purposes only. The location may not be exact.  | |||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 C1  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 C2  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 C3  | 
 Unidentified  | 
| 
 »  | 
 CMOS memory normal operation  | 
 JP2  | 
 Pins 1 & 2 closed  | 
| 
 CMOS memory clear  | 
 JP2  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 Monitor type select color  | 
 JP6  | 
 Pins 1 & 2 closed  | 
| 
 Monitor type select monochrome  | 
 JP6  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 ISA to IDE IRQ select IRQ14  | 
 JP9  | 
 Pins 1 & 2 closed  | 
| 
 ISA to IDE IRQ select IRQ15  | 
 JP9  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 On board video enabled  | 
 JP13  | 
 Pins 1 & 2 closed  | 
| 
 On board video disabled  | 
 JP13  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 S1  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 S2  | 
 Unidentified  | 
| 
 SIMM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 2MB  | 
 (2) 256K x 36  | 
 None  | 
| 
 4MB  | 
 (2) 512K x 36  | 
 None  | 
| 
 4MB  | 
 (2) 256K x 36  | 
 (2) 256K x 36  | 
| 
 6MB  | 
 (2) 512K x 36  | 
 (2) 256K x 36  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 None  | 
| 
 8MB  | 
 (2) 512K x 36  | 
 (2) 512K x 36  | 
| 
 10MB  | 
 (2) 256K x 36  | 
 (2) 1M x 36  | 
| 
 12MB  | 
 (2) 512K x 36  | 
 (2) 1M x 36  | 
| 
 SIMM CONFIGURATION (CON’T)  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 None  | 
| 
 16MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 18MB  | 
 (2) 256K x 36  | 
 (2) 2M x 36  | 
| 
 20MB  | 
 (2) 512K x 36  | 
 (2) 2M x 36  | 
| 
 24MB  | 
 (2) 1M x 36  | 
 (2) 2M x 36  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 None  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 34MB  | 
 (2) 256K x 36  | 
 (2) 4M x 36  | 
| 
 36MB  | 
 (2) 512K x 36  | 
 (2) 4M x 36  | 
| 
 40MB  | 
 (2) 1M x 36  | 
 (2) 4M x 36  | 
| 
 48MB  | 
 (2) 2M x 36  | 
 (2) 4M x 36  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 None  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 66MB  | 
 (2) 256K x 36  | 
 (2) 8M x 36  | 
| 
 68MB  | 
 (2) 512K x 36  | 
 (2) 8M x 36  | 
| 
 72MB  | 
 (2) 1M x 36  | 
 (2) 8M x 36  | 
| 
 80MB  | 
 (2) 2M x 36  | 
 (2) 8M x 36  | 
| 
 96MB  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 CACHE CONFIGURATION  | 
| 
 Note: The location of the cache is unidentified. The Starion 400 is upgradable to 256KB of cache and the Starion 500 is upgradable to 512KB of cache.  | 
| 
 VIDEO MEMORY CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 1MB  | 
 None  | 
| 
 2MB  | 
 1MB  | 
 1MB  | 
| 
 Note: The size of the video memory chips is unidentified.  | ||
| 
 CPU SPEED SELECTION  | |||
| 
 Speed  | 
 JP10  | 
 JP11  | 
 JP12  | 
| 
 60MHz  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
| 
 66MHz  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 SERIAL PORT 1 INTERRUPT SELECTION  | ||
| 
 IRQ  | 
 JP3  | |
| » | 
 4  | 
 Pins 1 & 2 closed  | 
| 
 10  | 
 Pins 3 & 4 closed  | |
| 
 SERIAL PORT 2 INTERRUPT SELECTION  | ||
| 
 IRQ  | 
 JP3  | |
| » | 
 3  | 
 Pins 5 & 6 closed  | 
| 
 11  | 
 Pins 7 & 8 closed  | |
| 
 PARALLEL PORT INTERRUPT SELECTION  | ||
| 
 IRQ  | 
 JP3  | |
| » | 
 7  | 
 Pins 9 & 10 closed  | 
| 
 5  | 
 Pins 11 & 12 closed  | |