@Jockelill Please try the attached development firmware, and let us know if it results in any change of behavior for you with your Mac Plus.
The diode mod won't fix your issue, but it's always preferable, for the sake of convenience, if nothing else, to be able to power it from termination power.
Thanks!! First test didn't work
, this is the log:
[0ms] DIPSW3 is ON: Enabling SCSI termination
[13ms] SD card detected, FAT64 volume size: 30427 MB
[13ms] SD MID: 0x03, OID: 0x53 0x44
[14ms] SD Name: SK32G
[14ms] SD Date: 11/2015
[14ms] SD Serial: 0x8D4B867A
[16ms] Config file zuluscsi.ini not found, using defaults
[16ms] Active configuration:
[19ms] -- SelectionDelay: 255
[21ms] -- EnableSCSI2 is on
[229ms] Finding HDD images in directory /:
[230ms] -- Opening /HD20_512-MacPlus.hda for id:2 lun:0
[231ms] ---- WARNING: file /HD20_512-MacPlus.hda is not contiguous. This will increase read latency.
[232ms] ---- NOTE: Drive geometry is 63x255=16065 but image size of 2097152 is not divisible.
[233ms] ---- Read prefetch enabled: 8192 bytes
[246ms] SCSI ID:2 BlockSize:512 Type:0 Quirks:0 ImageSize:1048576kB
[749ms] SCSI PHY operating mode: PIO
[749ms] Initialization complete!
[749ms] Platform: ZuluSCSI v1.0
[750ms] FW Version: 1.0.6-devel Aug 21 2022 10:44:13
I'm using this HDA from Macintosh Garden:
This is a ready to go bootable disk image that is properly formatted to work on Macintosh Plus. It can be used with a BlueSCSI or similar device. Includes 7.0.1 (as blessed startup folder) and 6.0.8 (de-blessed) as well as some tools, including tools to flash the Mac ROM-inator by BMOW.
macintoshgarden.org
I will test a few different .dsk and hda files now.
Do I need a special zuluscsi.ini for the plus?