DIGITAL EQUIPMENT CORPORATION
ALPHA XL
|
Processor |
Alpha |
|
Processor Speed |
300/366/433MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
512MB |
|
Maximum Video Memory |
None |
|
Cache |
Unidentified |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI slots (3), CPU slot |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Unidentified |
CN1 |
Unidentified |
CN4 |
|
Unidentified |
CN2 |
32-bit PCI slots |
PC1 PC3 |
|
Unidentified |
CN3 |
CPU slot |
SL1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
SCSI autosense enabled |
J21 |
Pins 1 & 2 closed |
|
SCSI autosense & termination disabled |
J21 |
Pins 2 & 3 closed | |
|
|
CMOS memory normal operation |
J22 |
Pins 1 & 2 closed |
|
CMOS memory clear |
J22 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
32MB |
(4) 2M x 36 |
None |
|
64MB |
(4) 2M x 36 |
(4) 2M x 36 |
|
64MB |
(4) 4M x 36 |
None |
|
96MB |
(4) 4M x 36 |
(4) 2M x 36 |
|
128MB |
(4) 4M x 36 |
(4) 4M x 36 |
|
128MB |
(4) 8M x 36 |
None |
|
160MB |
(4) 8M x 36 |
(4) 2M x 36 |
|
192MB |
(4) 8M x 36 |
(4) 4M x 36 |
|
256MB |
(4) 8M x 36 |
(4) 8M x 36 |
|
256MB |
(4) 16M x 36 |
None |
|
288MB |
(4) 16M x 36 |
(4) 2M x 36 |
|
320MB |
(4) 16M x 36 |
(4) 4M x 36 |
|
384MB |
(4) 16M x 36 |
(4) 8M x 36 |
|
512MB |
(4) 16M x 36 |
(4) 16M x 36 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Factory configured do not alter |
J5 |
Open |
|
|
Factory configured do not alter |
J6 |
Open |
|
|
Flash BIOS write enabled |
J15 |
Pins 2 & 3 closed |
|
Flash BIOS write disabled |
J15 |
Pins 1 & 2 closed | |
|
|
Console select primary |
J17 |
Pins 2 & 3 closed |
|
Console select alternate |
J17 |
Pins 1 & 2 closed | |
|
|
Console secure disabled |
J18 |
Pins 2 & 3 closed |
|
Console secure enabled |
J18 |
Pins 1 & 2 closed | |
|
SROM PROGRAM SELECTION | |||||||
|
Speed |
J2 |
J3 |
J7 |
J9 |
J10 |
J11 | |
|
Power up enabled |
Open |
Open |
Open |
Open |
Open |
Closed | |
|
MCHK mini console |
Open |
Closed |
Open |
Open |
Open |
Open | |
|
MFG mem test |
Open |
Open |
Closed |
Open |
Open |
Open | |
|
Failsafe floppy |
Open |
Open |
Open |
Closed |
Open |
Open | |
|
No init mini-console |
Closed |
Open |
Open |
Open |
Open |
Open | |
|
Mini console |
Open |
Open |
Open |
Open |
Closed |
Open | |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Console secure disabled |
J9 |
Pins 2 & 3 closed |
|
Console secure enabled |
J9 |
Pins 1 & 2 closed | |
|
|
Console select primary |
J10 |
Pins 2 & 3 closed |
|
Console select alternate |
J10 |
Pins 1 & 2 closed | |
|
|
Factory configured do not alter |
J15 |
Open |
|
|
Factory configured do not alter |
J16 |
Open |
|
|
Flash BIOS write enabled |
J18 |
Pins 2 & 3 closed |
|
Flash BIOS write disabled |
J18 |
Pins 1 & 2 closed | |
|
SROM PROGRAM SELECTION | |||||||
|
Speed |
J11 |
J12 |
J13 |
J14 |
J17 |
J19 | |
|
Power up enabled |
Closed |
Open |
Open |
Open |
Open |
Open | |
|
Mini console |
Open |
Closed |
Open |
Open |
Open |
Open | |
|
Failsafe floppy |
Open |
Open |
Closed |
Open |
Open |
Open | |
|
MFG 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 | |
|
CPU SPEED SELECTION | ||||||||
|
Speed |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
|
366MHz |
Off |
On |
Off |
Off |
Off |
Off |
On |
Off |
|
433MHz |
Off |
Off |
On |
Off |
On |
Off |
Off |
On |