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XEN-PC 486 (A1 Motherboard)
Cache & Video RAM Options (rel : 2.00)

 

Revision Processor

Base Memory

Cache

Video & VRAM
A1 486SX-25

4MB

None

CL-GD5428 - 1MB
486SX-33

4MB

None

CL-GD5428 - 1MB
486DX2-50

4MB

128K

CL-GD5428 - 1MB
486DX2-66

4MB

256K

CL-GD5428 - 1MB

Memory Expansion Options

2 SIMM slots are available on the motherboard.
SIMMs are 72-pin, 32-bit, 70ns or faster.

NOTE - 32MB SIMMs do NOT work with this system


Memory Configurations

On-Board

SIMM 1

SIMM 2

Total

4 MB

-

-

4 MB

4 MB

-

4MB

8 MB

4 MB

-

8 MB

12 MB

4 MB

-

16 MB

20 MB

4 MB

4 MB

-

8 MB

4 MB

4 MB

4 MB

12 MB

4 MB

4 MB

8 MB

16 MB

4 MB

4 MB

16 MB

24 MB

4 MB

16 MB

-

20 MB

4 MB

16 MB

4 MB

24 MB

4 MB

16 MB

8 MB

28 MB

4 MB

16 MB

16 MB

36 MB

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Memory Expansion Options

Description Product Code
4MB Upgrade (1 * 4MB SIMM) SH52452
8MB Upgrade (1 * 8MB SIMM) SH52453
16MB Upgrade (1 * 16MB SIMM) SH52454

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Cache Upgrade

Description Product Code
0k to 256K Cache RAM Upgrade SH52451
128k to 256K Cache RAM Upgrade SH53372

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Video RAM Upgrades

Description Product Code
1MB to 2MB Video RAM Upgrade SH52450

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Computing for a Connected World