Description
Freddie replacement module for XL/XE
Hardware, manuals, FAQ, and other info on manufacturers website – HERE
FREDDIE REPLACEMENT – 64k SRAM Module is a requirement!!!
- Creates OSC clock (3,5X MHz) for GTIA (CLK_IN /4)
- PAL/NTSC independent
- Generates inverted CLK_O for some motherboard revisions
- CAS_IN for SRAM MODULE CONNECTOR ONLY
STEP BY STEP:
- install SRAM 64Kb replacement for Atari XL/XE
- Swap FREDDIE CHIP with replacement
- Connect 1 wire: LSP1 ==> CI of SRAM MODULE
- After power_on, clk_led shall be constant on – it means we have a nice square clock signal 🙂
NOTE:
VBXE upgrade owners do NOT NEED FREDDIE REPLACEMENT