From b68e7d8079e115aaa72fb7487e32108dea311801 Mon Sep 17 00:00:00 2001 From: AJR Date: Fri, 15 Jul 2022 08:17:21 -0400 Subject: sonora: Update notes again --- src/mame/apple/sonora.cpp | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/mame/apple/sonora.cpp b/src/mame/apple/sonora.cpp index e8a8af93cff..2859c6f83e3 100644 --- a/src/mame/apple/sonora.cpp +++ b/src/mame/apple/sonora.cpp @@ -14,9 +14,11 @@ - 16/25 MHz CPU clock generator - Support logic for various external subsystems (ADB, PDS, SCC, SCSI, SONIC) - The "Ardbeg" ASIC (LC 520) appears to be a renamed copy of Sonora, and "Prime Time" - (LC 475/575 and some low-end Quadras) is Sonora adapted to the 68040 bus. "Prime Time II" - is similar but adds an ATA controller. + The "Ardbeg" ASIC (LC 520) appears to be a modest update of Sonora, adding support for + pushbuttons controlling display brightness and sound volume, plus monitor power saver mode. + "Prime Time" (LC 475/575 and Quadra 605) adapts the peripheral section of Sonora to the + 68040 bus, but omits the DRAM and video controllers. "Prime Time II" is similar but adds + an ATA controller. Sonora's video controller is in some of the PowerMac chipsets as well. */ -- cgit v1.2.3