AT & T
AT & T GLOBALYST 510
AT & T GLOBALYST 515
|
Processor |
SL80486SX/SL80486SX2/SL80486DX2/SL80486DX4/P24T/ 486Overdrive |
|
Processor Speed |
25/33/50(internal)/66(internal)100(internal)MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Cirrus Logic |
|
Maximum Onboard Memory |
64MB |
|
Maximum Video Memory |
1MB |
|
Cache |
256KB |
|
BIOS |
IBM |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA graphics pass through connector, VGA port, riser slot, cache slot |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
PS/2 mouse port |
CN1 |
Floppy drive interface |
J10 |
|
Serial port 1 |
CN2 |
VGA graphics pass-through connector |
J14 |
|
Serial port 2 |
CN3 |
Front panel LEDS |
J15 |
|
Parallel port |
CN4 |
Speaker |
J16 |
|
VGA port |
CN5 |
Riser slot |
SL1 |
|
IDE interface |
J8 |
Cache slot |
SL2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
CMOS memory normal operation |
J1 |
Pins 2 & 3 closed |
|
CMOS memory clear |
J1 |
Pins 1 & 2 closed | |
|
Jumper information unavailable |
J3V |
Unidentified | |
|
On board video enabled |
SW1/1 |
On | |
|
On board video disabled |
SW1/1 |
Off | |
|
|
Monitor type select color |
SW1/2 |
On |
|
Monitor type select monochrome |
SW1/2 |
Off | |
|
Note: If a VGA processor is enabled, SW1/2 has no function. If the VGA controller is disabled, and a CGA or MDA controller is installed, set the switch to the above setting. | |||
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
4MB |
(1) 1M x 36 |
None |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 4M x 36 |
None |
None |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
None |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
None |
|
24MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
36MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
|
Note: The location of banks 0, 1, & 2 are unidentified. | |||
|
CACHE CONFIGURATION | |
|
Size |
SL2 |
|
None |
Not installed |
|
256KB |
256KB module installed |
|
VIDEO MEMORY CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
512KB |
None |
|
1MB |
512KB |
512KB |
|
Note: Bank 0 is factory installed and is not configurable. The size of the upgrade ships are unidentified. | ||
|
CPU SPEED SELECTION | |
|
Speed |
JK1 |
|
25MHz |
Pins 1 & 2, 5 & 6 closed |
|
33MHz |
Pins 3 & 4, 5 & 6 closed |
|
50iMHz |
Pins 1 & 2, 5 & 6 closed |
|
66iMHz |
Pins 3 & 4, 5 & 6 closed |
|
100iMHz |
Pins 3 & 4, 5 & 6 closed |
|
CPU TYPE SELECTION | ||||
|
Type |
JC1 |
JC2 |
JC3 |
JC4 |
|
SL80486SX |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Closed |
Closed |
|
SL80486DX |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
Open |
|
SL80486DX2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
Open |
|
SL80486DX4 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
Open |
|
486Overdrive |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
Open |