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Revision as of 19:27, 30 January 2018
The Manila Gear No Slot Clock was released in May 2017.
The No Slot Clock allows your Apple II to remember the date and time. It will work on an Apple II, Apple II+, Apple IIe or an Apple IIc. It features dual break-off battery holders so you can install it however you like. This is specially useful if space is tight. The No Slot Clock does not fit in the IIc or IIc+ if you have a RAM card installed.
You can order the NSC in one of three pre-configured versions, based on where you plan to use it:
- Apple ][ or ][+ motherboard
- Apple //e or //c motherboard, or slot card with a 28 pin EPROM (e.g. Microdrive)
- Slot card with a 24 pin EPROM (e.g. Super Serial Card)
Other configurations are available on request.
Some of the unique features of the No Slot Clock:
- User replaceable CR2032 batteries
- Break-off battery holders
- Machine pin socket on the top for reliable connections to your ROM chip
- Regular IC socket on the bottom to preserve your motherboard / slot card IC socket (no more “socket stretch”)
- Switchable configuration. Solder jumpers can be set for use on an Apple II or II+, or an Apple IIe or IIc, or a slot card that has an EPROM.
Project Status: Complete. In production. Actively sold by Manila Gear and ReActiveMicro.
Support: Post on the Discussion page (link above) or email ReActiveMicro Support.
Sales: Visit the ReActiveMicro Store.
History
v1.1 was made available for pre-order as of May 2017.
Versions
The PCB design allows for manufacturing flexibility. The crystal can be cylinder or square type. The CR2032 Battery Holder can be the minimalistic low profile metal clip or the round plastic type. Through-hole pins are available to wire the break-off battery holder to the main board.
- Version 1.1
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Front
-
Back
Possible Concerns and Things To Pay Attention To
When installing on a IIc, the height of the No Slot Clock will interfere with the IIc 1Meg RAM Card. One workaround is to remove the regular socket on the bottom of the No Slot Clock. However, this will introduce socket stretch.
Compatibility Issues
The No Slot Clock design is well tested in the Apple II. So far the issue known issue exists with the Microsoft Z-80 SoftCard. No damage will occur, however the Apple II will tend to lock up on boot.
There have been reports that sometimes the Apple II will work correctly with the SoftCard in Slot 5.
Links
- User Manual and Software
-
No Slot Clock v1.1
