PM486-25 (486I) RAM Upgrade Information

Specifications

Memory upgrades may be done with proprietary 32-bit memory cards 486mem4 (4MB upgradeable to 16MB) and 486mem8 (8MB not upgradeable).
 

Purchase Referrals

If inquiries about purchasing one of these cards is made, Intel can be contacted at (800) 538-3373.
 
This card is no longer in production and may be difficult to find.