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 number	Manufacturer	Documentation
27C256	Intel	Not available

Component versions

IC number	Package	Access time
D27C256	28-pin Ceramic DIP

Programmed components

IC number	CBM part number	CBM part description	Chip description	Checksum
27C256	318085-02		BIOS PC10-III V4.36	522A
D27C256 (Intel)	318086-02			DFD1

Positions

Device	Positions	Package	Software
PC10-III	U201	DIP	318085-02 (522A)
PC10-III	U607	DIP	318086-02 (DFD1)