Tag: oscillator

3 matching upgrades

Showing 3 products.

StatusProductWhat it doesCompatibilityLinks
DiscontinuedChecked Jul 30, 2026SmaCK 8701 Clock Generator Replacementby mic72
c64c1288701clock generatorchip replacementoscillatorpalntscdiscontinued

Historical MOS 8701 replacement with automatic PAL or NTSC selection and an onboard switchable oscillator.

The maker's August 2021 AmiBay thread said that only a few units remained, and the thread is now closed. No current direct order path was verified. Inspect a used board for its solder-bridge configuration before relying on automatic motherboard selection.

Sources
  • Commodore 64 Exact model
  • Commodore 128 Exact model
SmaCK original sales archiveSearch eBay for SmaCK 8701 replacements
AvailableChecked Jul 24, 2026Spicy O'Clockby Infinity Products
68040overclockingclock generatoroscillatorsoldering

Provides finely adjustable clock generation for selected 68040 Macintosh logic boards using an XC88916-family clock driver.

The current product page listed the module without an out-of-stock marker on 2026-07-24. Installation, measurement, cooling, stability testing, and any resulting hardware damage remain the user's responsibility.

Sources
  • Macintosh LC 475 Exact model
  • Macintosh LC 575 Exact model
  • Macintosh LC 630 Exact model
  • Macintosh Performa 588CD Exact model
  • Macintosh Quadra 650 Exact model
  • Macintosh Quadra 800 Exact model
  • Macintosh Quadra 840AV Exact model
Spicy O'Clock product and compatibility page
DiscontinuedChecked Jul 30, 2026TOLB 8701 Clock Generator Replacementby TOLB project
c64c1288701clock generatorchip replacementoscillatorpalntsclow powerdiscontinued

Historical low-power MOS 8701 replacement with separate PAL and NTSC versions and an onboard oscillator.

The original AmiBay sales thread is closed and its seller account has been deleted. No current direct order path was verified. TOLB was sold in separate PAL and NTSC versions, so identify the fitted variant and motherboard video standard before installing a used unit.

Sources
  • Commodore 64 Exact model
  • Commodore 128 Exact model
TOLB original sales archiveSearch eBay for TOLB 8701 replacements