Search found 3 matches

by RichardG
Sat Jun 06, 2020 11:34 pm
Forum: Development
Topic: Coreboot / MTRR support
Replies: 0
Views: 148

Coreboot / MTRR support

Development tracking thread for coreboot open source BIOS support and its associated changes to 86Box, currently developed in the feature/mtrr branch. Dynamic MTRR support C code requires RAM for the stack and heap, and coreboot has to execute C code before RAM is initialized. The "cache-as-RAM" loa...
by RichardG
Fri Jun 05, 2020 10:52 pm
Forum: Development
Topic: SMSC SLC90E66 (Victory66) southbridge
Replies: 0
Views: 65

SMSC SLC90E66 (Victory66) southbridge

Pin compatible PIIX4E replacement made by SMSC with UDMA/66 IDE and OHCI USB. Very obscure for how late and short-lived it was: sampling in late 2000 (i815 was already out!), general availability of motherboards in early 2001, exited from business in late 2001. Resources: 86Box v2.10 release post Ar...
by RichardG
Fri Jun 05, 2020 10:16 pm
Forum: Development
Topic: SMBus and devices
Replies: 0
Views: 68

SMBus and devices

This is the development tracking thread for System Management Bus and the devices that use it. Current notes for v2.10: SMBus interface Current smbus_piix4 implementation answers immediately if no device is found, or 10ms later if a device is found. Measuring in real hardware would be a good idea. V...