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Last update: 8 August 2010

IC number:27C256
IC function:256 kbit (32k×8) EPROM
Related components:64 kbit (8k×8) EPROM, 128 kbit (16k×8) EPROM, 1 Mbit (128k×8) EPROM

Component documentation
IC numberManufacturerDocumentation
27C256IntelNot available

Component versions
IC numberPackageAccess timeReplacement parts
D27C25628-pin Ceramic DIP M27C256B-12F6 available from:Conrad
M27C256B-10F1 available from:Conrad
M27C256B-10F1 available from:Conrad

Programmed components
IC numberCBM part numberCBM part descriptionChip descriptionChecksum
27C256318085-02BIOS PC10-III V4.36522A
D27C256 (Intel)318086-02DFD1

Positions
DevicePositionsPackageSoftware
PC10-IIIU201DIP318085-02 (522A)
PC10-IIIU607DIP318086-02 (DFD1)

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