Difference between revisions of "LB-MEM-02"
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==== 27C256/27C512 EPROMs ==== | ==== 27C256/27C512 EPROMs ==== | ||
+ | |||
+ | * Card has a 16KB size | ||
+ | * 27C256 (32KB) and 27C512 (64KB) Flash EPROMs are commonly available | ||
+ | * Jumpers allow firmware banks to be selected | ||
+ | ** 2 banks in 27C256 | ||
+ | ** 4 banks in 27C512 | ||
[[file:LB-MEM-03_EPROM_27C256_512.PNG]] | [[file:LB-MEM-03_EPROM_27C256_512.PNG]] |
Revision as of 11:53, 21 August 2024
- 32KB SRAM
- EPROM
- Headers to jump for smaller cards
- Connects to Address/Data and Memory control lines
- 50x75mm card
Contents
Design
SRAM
EPROM
Rev 1 Parts/Jumpers
27C256/27C512 EPROMs
- Card has a 16KB size
- 27C256 (32KB) and 27C512 (64KB) Flash EPROMs are commonly available
- Jumpers allow firmware banks to be selected
- 2 banks in 27C256
- 4 banks in 27C512
Backplane Connector
Mechanicals
Checkout
Rev 1
- OK