DIGITAL EQUIPMENT CORPORATION
PERSONAL WORKSTATION 266I
|
Device Type |
Mainboard |
|
Processor |
Pentium II |
|
Processor Speed |
233/266/300/333MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
512MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
128KB (located on Pentium II CPU) |
|
BIOS |
Unidentified |
|
Dimensions |
254mm x 218mm |
|
I/O Options (CPU) |
Parallel port, PS/2 mouse port, serial ports (2), USB connectors (2) |
|
I/O Options (backplane) |
IDE interfaces (2), floppy drive interface, 100Base-T connector, game/MIDI port, audio in CD-ROM, fax/modem connector, 32-bit PCI slots (4) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port |
CN1 |
USB connector 2 |
CN4 |
|
Serial port |
CN2 |
PS/2 mouse port |
CN5 |
|
USB connector 1 |
CN3 |
Parallel port |
CN6 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Boot block update disabled |
J27 |
Pins 1 & 2 closed |
|
Boot block update enabled |
J27 |
Pins 2 & 3 closed | |
|
|
Password disabled |
SW1/5 |
Off |
|
Password enabled |
SW1/5 |
On | |
|
|
BIOS normal operation |
SW1/6 |
Off |
|
BIOS recovery mode |
SW1/6 |
On | |
|
|
CMOS memory normal operation |
SW1/7 |
Off |
|
CMOS memory clear |
SW1/7 |
On | |
|
SIMM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
16MB |
(2) 2M x 36 |
None |
None |
None |
|
32MB |
(2) 4M x 36 |
None |
None |
None |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
None |
None |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
None |
None |
|
48MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
None |
|
64MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
|
64MB |
(2) 8M x 36 |
None |
None |
None |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
None |
None |
|
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
None |
None |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
None |
None |
|
96MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
None |
|
128MB |
(2) 16M x 36 |
None |
None |
None |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
None |
None |
|
128MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
|
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
None |
None |
|
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
None |
None |
|
SIMM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
176MB |
(2) 16M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
|
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
None |
None |
|
192MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
None |
|
224MB |
(2) 16M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
|
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
None |
None |
|
256MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
|
288MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
|
320MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
|
320MB |
(2) 16M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
|
384MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
None |
|
512MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
|
Note: Board accepts EDO memory. | ||||
|
CACHE CONFIGURATION |
|
Note: 128KB cache is located on the Pentium II CPU. |
|
CPU SPEED SELECTION | |||||||
|
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/8 |
|
233MHz |
66MHz |
3.5x |
On |
Off |
Off |
On |
On |
|
266MHz |
66MHz |
4x |
On |
On |
On |
Off |
On |
|
300MHz |
66MHz |
4.5x |
On |
Off |
On |
Off |
On |
|
333MHz |
66MHz |
5x |
On |
On |
Off |
Off |
On |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Main logic board connectors |
CN1 |
Control panel connector |
CN11 |
|
IDE interface 1 |
CN2 |
Audio in CD-ROM |
CN12 |
|
IDE interface 2 |
CN3 |
Fax/modem connector |
CN13 |
|
Floppy drive interface |
CN4 |
Audio connector |
CN14 |
|
100Base-T connector |
CN5 |
Power connector |
P1 |
|
IDE interface LED |
CN6 |
5v power |
P2 |
|
10Base-T connector |
CN7 |
3.3v power |
P3 |
|
Chassis fan power |
CN8 |
32-bit PCI slots |
PC1 PC2 |
|
Chassis fan power |
CN9 |
32-bit PCI slots (full size) |
SL1 & SL2 |
|
Game/MIDI port |
CN10 | ||