15 Jun
2016
15 Jun
'16
7:49 p.m.
Can anyone identify this HP board (see link to pictures)?
https://goo.gl/photos/BBuAV1oozWNSqeUTA
It was at under the main board of a newly acquired HP 1000-E, next to the
firmware board. It says HP 54427-60050 Booster Microcode. It has 5 bitslice
SN 74S181 chips at the back. So I surmise maybe it's a late ALU booster
upgrade?
Marc