Apollo 1240

Picture of Apollo 1240




Processor: 040@25Mhz, 040@33Mhz, 040@40Mhz
FPU: Internal
MMU: Internal
Max Ram: 32MB/64MB
Ram Type: 1x72Pin SIMM. An additional SIMM socket can be fitted
SCSI-II: Optional

Any combination of SIMMs can be used and supports both FPM and EDO. Fully compatible with the PCMCIA port. Heat sink & fan included.

Apollo 1240/1260 Jumper Settings (Thanks to Greg Scott & National Amiga)

Jumper OFF ON
RAM Turn off RAM Turn on RAM
SCSI Enable SCSI Autoboot Disable SCSI Autoboot
Processor 040 Installed 060 Installed

RAM Jumper:
PLEASE NOTE: The accelerator board is only capable of high performance if FastRAM is fitted. If FastRAM is disabled, only a minimal increase in performance will be obtained.

SCSI Jumper:
The SCSI interfaces autoboot function should be switched off, if no or no autobootable SCSI devices are connected. If the autoboot function is enabled, the operation system will wait upto 30 seconds to detect any slow but bootable SCSI devices. SCSI devices can still be used with autoboot function disabled. Obviously they will not boot, but it prevents the 30 second delay occuring before booting will occur from a non-SCSI device.

CLK Jumper:
The 68040 processor has to be supplied with the double external clock frequency. A 68040RC40 (40Mhz) CPU is operated with an 80MHz crystal oscillator.

The 68060 process (with 50MHz) is operated with it's external bus frequency.

The CLK jumper is used to adjust the corresponding clock distribution as following:
68040-CPU installed            position 040
68060-CPU (50MHz) installed    position 060
68060-CPU (66MHz) installed    position 040