IBM 1-8MB 286 Memory Expansion Adapter (MCA)
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|Mounting Technology||Through Hole|
This MCA memory expansion card allows for up to 8MB of RAM to be installed in PS/2 Models 50, 50Z and 60. It supports extended memory and LIM EMS 3.2.
RAM installed on the card is not detected on POST
P/N 61X6740 is printed on the board. Label on ROM chip U14 is dated 1986 and bears the P/N 11F8060.
|12||100 nF||0 °C||Tantalum||Markings: "104 C5K", "911 RAJ"|
|18||100 nF||Tantalum||Markings: "104 C5K", "907 RFS"|
|2||10 uF||Tantalum||Markings: "10-6", "2" (circled)|
The capacitor series are unknown. Markings are provided for later identification.
Basic PCB Name
|RefDes||Qty||Compatible Part Number||Order Links|
If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.
- Digikey BOM: https://www.digikey.com/