DIGITAL EQUIPMENT CORPORATION
ALPHASTATION 500
Processor | Alpha |
Processor Speed | 266/300/333MHz |
Chip Set | DEC |
Video Chip Set | None |
Maximum Onboard Memory | 512MB |
Maximum Video Memory | None |
Cache | 2MB |
BIOS | Unidentified |
Dimensions | 330mm x 218mm |
I/O Options | Floppy drive interface, SCSI interface, external SCSI connector, parallel port, PS/2 mouse port, serial ports (2), riser slot, audio card connector, media adapter unit connector, SROM port |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Chassis fan power | J1 | Floppy drive interface | J38 |
Cache fan connector | J3 | PS/2 mouse port | J39 |
Diagnostic port | J4 | Serial port 1 | J40 |
Front panel connector | J5 | Serial port 2 | J40A |
SROM port | J24 | Parallel port | J41 |
Media adapter unit connector | J32 | External SCSI connector | J42 |
Audio card connector | J36 | Riser slot | SL1 |
SCSI interface | J37 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Factory configured - do not alter | J2 | Unidentified |
» | Front panel button set as reset switch | J6 | Pins 1 & 2 closed |
Front panel button set as halt switch | J6 | Pins 2 & 3 closed | |
» | Secure console disabled | J9 | Pins 2 & 3 closed |
Secure console enabled | J9 | Pins 1 & 2 closed | |
» | Primary console enabled | J10 | Pins 2 & 3 closed |
Alternate console enabled | J10 | Pins 1 & 2 closed | |
» | Factory configured - do not alter | J15 | Unidentified |
» | Factory configured - do not alter | J16 | Unidentified |
» | Flash BIOS write protect disabled | J18 | Pins 2 & 3 closed |
Flash BIOS write protect enabled | J18 | Pins 1 & 2 closed | |
» | Factory configured - do not alter | J20 | Unidentified |
» | Factory configured - do not alter | J33 | Unidentified |
» | Factory configured - do not alter | J35 | Unidentified |
DIMM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
32MB | (4) 1M x 64 | None |
64MB | (4) 2M x 64 | None |
128MB | (4) 4M x 64 | None |
256MB | (4) 8M x 64 | None |
64MB | (4) 1M x 64 | (4) 1M x 64 |
96MB | (4) 2M x 64 | (4) 1M x 64 |
160MB | (4) 4M x 64 | (4) 1M x 64 |
288MB | (4) 8M x 64 | (4) 1M x 64 |
128MB | (4) 2M x 64 | (4) 2M x 64 |
192MB | (4) 4M x 64 | (4) 2M x 64 |
320MB | (4) 8M x 64 | (4) 2M x 64 |
256MB | (4) 4M x 64 | (4) 4M x 64 |
384MB | (4) 8M x 64 | (4) 4M x 64 |
512MB | (4) 8M x 64 | (4) 8M x 64 |
CACHE CONFIGURATION |
Note: 2MB cache is factory installed and is not configurable. |
SROM SELECTION | ||||||
Setting | J11 | J12 | J13 | J14 | J17 | J19 |
Power up | Closed | Open | Open | Open | Open | Open |
Mini console | Open | Closed | Open | Open | Open | Open |
Floppy loader | Open | Open | Closed | Open | Open | Open |
Mem test | Open | Open | Open | Closed | Open | Open |
MCHK mini console | Open | Open | Open | Open | Closed | Open |
No init mini console | Open | Open | Open | Open | Open | Closed |