Memory Configuration
Troubleshooting

UDB CACHE CONFIGURATIONS

All Universal Desktop Boxes come with a minimum of 256KB cache. VX40 166MHz systems have the cache soldered onto the Main Logic Board and cannot be upgraded. VX41A/B 166MHz, VX41C/D 233MHz and VX42 233MHz systems have a plug in "cache on a stick" module permitting options up to 1MB

Part Numbers

VX41M-AA  256KB Cache SIMM
VX41M-AB  512KB Cache SIMM
VX41M-AC  1MB Cache SIMM

Model            Clock     Cache   Expansion

VX40L     UDB    166MHz    256KB   Fixed
VX41L     UDB    233MHz    256KB   512KB or 1MB
VX42L     UDB    233MHz    512KB   1MB

VX40      Multia 166MHz    256KB   Fixed
VX41A     Multia 166MHz    256KB   512KB or 1MB
VX41B     Multia 166MHz    256KB   512KB or 1MB
VX41C     Multia 233MHz    256KB   512KB or 1MB
VX41D     Multia 233MHz    256KB   512KB or 1MB
VX42      Multia 233MHz    512KB   1MB