Tag: internal expansion

2 matching upgrades

Showing 2 products.

Status Product What it does Compatibility Links

Status	Product	What it does	Compatibility	Links
AvailableChecked Jul 24, 2026	Apple IIc Low-Profile Keyboard Stiffenerby Elmars Ositis keyboard replacement part 3d printing internal expansion	Restores spring-clip keyboard support while leaving clearance for internal Apple IIc expansion boards. JCM showed 39 units in stock on 2026-07-24. It is intended for the Apple IIc spring-clip keyboard. Some case revisions require trimming plastic screw bosses, so inspect the exact case before installation. Sources JCM Apple IIc keyboard stiffener page	Apple IIc Exact model	Apple IIc keyboard stiffener product page
AvailableChecked Jul 27, 2026	CPC 6128 512 KB Memory Moduleby Lotharek 512kb sram z80 cpu socket cpld internal expansion	Adds 512 KB of SRAM to an Amstrad CPC 6128 or CPC 6128 Plus through the Z80 CPU footprint. The Lotharek page exposed a login-or-register-to-buy path on 2026-07-27. The CPU must be removed or desoldered, the module fitted in its place, and the CPU installed on the module. Confirm pin-1 orientation, socket quality, board clearance, and the computer's condition before beginning the invasive installation. Sources Lotharek CPC 6128 512 KB module page	Amstrad CPC 6128 Exact model Amstrad CPC 6128 Plus Exact model	Buy the CPC 6128 512 KB module

AvailableChecked Jul 24, 2026

Apple IIc Low-Profile Keyboard Stiffenerby Elmars Ositis

Restores spring-clip keyboard support while leaving clearance for internal Apple IIc expansion boards.

JCM showed 39 units in stock on 2026-07-24. It is intended for the Apple IIc spring-clip keyboard. Some case revisions require trimming plastic screw bosses, so inspect the exact case before installation.

Sources

JCM Apple IIc keyboard stiffener page

Apple IIc Exact model

Apple IIc keyboard stiffener product page

AvailableChecked Jul 27, 2026

CPC 6128 512 KB Memory Moduleby Lotharek

Adds 512 KB of SRAM to an Amstrad CPC 6128 or CPC 6128 Plus through the Z80 CPU footprint.

The Lotharek page exposed a login-or-register-to-buy path on 2026-07-27. The CPU must be removed or desoldered, the module fitted in its place, and the CPU installed on the module. Confirm pin-1 orientation, socket quality, board clearance, and the computer's condition before beginning the invasive installation.

Sources

Lotharek CPC 6128 512 KB module page

Amstrad CPC 6128 Exact model
Amstrad CPC 6128 Plus Exact model

Buy the CPC 6128 512 KB module