List of Olivetti motherboards

I guess "BA" stands for "Board Adapter" or "Board Assembly". I have no idea what the numbers mean though, if anything.

BA305
Used on: Olivetti LSX 5015
 * CPU: 486
 * Architecture: EISA
 * RAM: 4MB minimum(?), expandable to 64MB
 * Number of slots: 8, on a riser card?
 * Ports: VGA, Serial, Parallel, PS/2 Mouse, PS/2 Keyboard
 * Other: Feature Connector

BA322
Used on: Olivetti LSX 5015
 * CPU: 486
 * Architecture: EISA
 * RAM: 4MB minimum(?), expandable to 64MB
 * Number of slots: 8, on a riser card?
 * Ports: VGA, Serial, Parallel, PS/2 Mouse, PS/2 Keyboard
 * Other: Feature Connector

BA360
Used on: Olivetti LSX 5015
 * CPU: 486
 * Architecture: EISA
 * RAM: 4MB minimum(?), expandable to 64MB
 * Number of slots: 8, on a riser card?
 * Ports: VGA, Serial, Parallel, PS/2 Mouse, PS/2 Keyboard
 * Other: Feature Connector

BA365
Used on: Olivetti LSX 5015
 * CPU: 486
 * Architecture: EISA
 * RAM: 4MB minimum(?), expandable to 64MB
 * Number of slots: 8, on a riser card?
 * Ports: VGA, Serial, Parallel, PS/2 Mouse, PS/2 Keyboard
 * Other: Feature Connector

BA847

 * CPU: 486 @ 25MHz
 * Architecture: EISA
 * RAM: 2MB minimum, expandable to 64MB
 * Coprocessor: Intel i860, Weitek 4167
 * Number of slots: 8
 * Ports: Serial, Parallel, PS/2 Mouse, PS/2 Keyboard

Integrated Controllers
Used on: Olivetti CP486
 * 82357 ISP
 * 82358 EISA Bus Controller
 * 8042/8742 Keyboard/Mouse Controller
 * WD16C552 Serial/Parallel Controller
 * DS1287 RTC

BA867

 * CPU: 486 @ 25MHz
 * Architecture: EISA
 * RAM: 4MB minimum, expandable to 64MB
 * Coprocessor: Intel i860, Weitek 4167
 * Number of slots: 8
 * Ports: Serial, Parallel, PS/2 Mouse, PS/2 Keyboard

Integrated Controllers
Used on: Olivetti CP486, LSX 5010(?)
 * 82357 ISP
 * 82358 EISA Bus Controller
 * 8042/8742 Keyboard/Mouse Controller
 * WD16C552 Serial/Parallel Controller
 * DS1287 RTC

BA886
Used on: Olivetti LSX 5010
 * CPU: 486 @ 25 MHz
 * Architecture: EISA
 * RAM: 4MB minimum(?), expandable to 64MB
 * Coprocessor: Intel i860(?), Weitek 4167
 * Number of slots: 8

BA887
Used on: Olivetti LSX 5020
 * CPU: 486 @ 33MHz
 * Architecture: EISA
 * RAM: 8MB minimum(?), expandable to 64MB
 * Coprocessor: Intel i860(?), Weitek 4167
 * Number of slots: 8

BA892
Used on:  Olivetti LSX 5020
 * CPU: 486 @ 33 MHz
 * Architecture: EISA
 * RAM: 8MB minimum(?), expandable to 64MB
 * Coprocessor: Intel i860(?), Weitek 4167
 * Number of slots: 8

BA894
Used on:  Olivetti LSX 5010
 * CPU: 486 @ 25 MHz
 * Architecture: EISA
 * RAM: 4MB minimum(?), expandable to 64MB
 * Coprocessor: Intel i860(?), Weitek 4167
 * Number of slots: 8

BA954

 * CPU: 486 @ 33 MHz on removable card. Up to 4 CPU cards can be installed.
 * Architecture: EISA
 * Cache: 256KB on each CPU card?
 * Number of slots: 10
 * Other: 5 Olibus slots

Integrated Controllers

 * NG82358DT EISA Bus Controller

Used on: Olivetti LSX 5030