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AT & T GLOBALYST 510

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