From cd5fb6584708f5f50638d30d812298c79e325025 Mon Sep 17 00:00:00 2001 From: Daniel C Date: Thu, 26 Sep 2024 21:24:29 -0400 Subject: [PATCH] Update history.md --- docs/history.md | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/docs/history.md b/docs/history.md index 9aee332..5c93df7 100644 --- a/docs/history.md +++ b/docs/history.md @@ -11,9 +11,20 @@ - In 2022, Linux is booted on the X-H2S for WiFi and processing functionality. - To this day, Fujifilm continues to use most of the original firmware code from the early 2000s. -## CPUs -- Early Fujifilm cameras started out with 64 bit TX49 MIPS III CPUs but switched to 32 bit ARM later on -- Smaller cameras have the FF4224 SoC, but there is also a FF4226. These appear to be ARM v6 CPUs. -- Recently, Fujifilm started compiling their firmware in thumb bytecode. -- The SoC has no internal memory and must be paired with external RAM chips (1gb is common) -- Flash chips tend to be under the SD card reader (and tend to be 64mb) +## CPU History +## TX49 MIPS III CPU +- X-Pro 1, X-Pro 2 +## EXR Processor (2012) +- X-F1 +- AkA FF4224? +## EXR Processor II (2015?) +- X-T1, X-T20, X-A2 +- AkA FF4226? +## EXR Processor III (2018) +- X-Pro 3, X-T30, X-H1 +## X-Processor 4 +- X100V, Fujifilm X-S10 +## X-Processor 5 +- X-H2S, X-T5 +- Quad-core Aarch64 CPU +- Most of these cams dual-boot Linux for frame.io functionality.