Apple-2-HW/micro-sci-a2-controller
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Update jumper documentation.

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Christopher RYU 2023-07-18 15:31:29 +09:00
parent 245af989b8
commit 2ed74654e0
1 changed files with 5 additions and 5 deletions
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README.md
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@ -18,9 +18,9 @@ Firmware images can be built via the Makefile in the firmware subdirectory. The
![usci](usci.png?raw=true "usci")
## Jumper block
## EPROM bank select switches (J4)
* 1-2 and 3-4: controller test firmware (0x0000)
* 1-2: 16-sector firmware (0x0100)
* 3-4: 13-sector firmware (0x0200)
* empty: firmware "put jumpers here" splash screen (0x0300)
* 1:off 2:off - controller test firmware (0x0000)
* 1:off 2: on - 16-sector firmware (0x0100)
* 1: on 2:off - 13-sector firmware (0x0200)
* 1: on 2: on - firmware "put jumpers here" splash screen (0x0300)