User Tools
documentation:hardware:m2:devcard_revh
Differences
This shows you the differences between two versions of the page.
| documentation:hardware:m2:devcard_revh [2022/11/07 14:49] – created fixelsan | documentation:hardware:m2:devcard_revh [Unknown date] (current) – external edit (Unknown date) 127.0.0.1 | ||
|---|---|---|---|
| Line 1: | Line 1: | ||
| + | ==== Mod performed on MAC revH to convert to PC revH ==== | ||
| + | |||
| + | - removed U2104. (bridget bus management) | ||
| + | - bypassed /BR /BG signals (removed bridget bus management) : R2122, R2124 (BG master, BG slave) connected directly to CPUs (via logic probes). R2125 (BR master) and R2123(BR slave) are bypassed with 0 ohm jumper. | ||
| + | - removed 29.5 MHz oscillator on position U5403 | ||
| + | - populated and shorted J5401 | ||
| + | - added 2 bodge wires on the back PCMCIA | ||
| + | - added PCMCIA to EPP bridge card. | ||
| + | |||
Page Tools
Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0 International
