SCO XENIX Upgrades to 2.3.4

There are no problems upgrading from the MCA 2.3.2 Xenix to the MCA 2.3.4 product.

However, in the AT bus arena only some upgrades can be made. Apricot only supplies the GT 2.3.4 upgrade, this means that systems running Xenix 2.3.1 AT such as VX 1000 systems cannot be upgraded with the upgrade product Apricot supplies. Please ensure that before ordering an AT Bus upgrade that the existing system is a GT version of Xenix otherwise the serial number and activation key will not work. This is best done by consulting the N1 disks of the existing Xenix which will be labelled AT or GT. The Apricot 2.3.4 GT upgrade is product code SS48959.

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