Processor Boards for Model 320
Processor
Board
Features
Used In
Replaced By
98561-66519
• MC 68020 at 16.67MHz
HP98561B
98561-69521
• No RAM 16K Cache
• MC 68881 Flot. Pt. Coproc.
at 12.5MHz
• Rev. A bootROM
• 512x400x1 Mono Video
• Upgrade to Rev B bootROM
l
98561-66520
• MC 68020 at 16.67MHz
HP98561B
98561-69522
• No RAM 16K Cache
• MC 68881 Flot. Pt. Coproc.
at 16.67MHz
• Rev. A bootROM
• 512x400x1 Mono Video
• Upgrade to Rev B bootROM
l
98561-66521
• MC 68020 at 16.67
HP98561B
98561-69521
• No RAM 16K Cache
• MC 68881 Flot. Pt. Coproc.
at 12.5MHz
• Rev. B bootROM
• No Video
98561-66522
• MC 68020 at 16.67MHz
HP98561B
98561-69522
•
o RAM 16K Cache
• MC 68881 Flot. Pt. Coproc.
at 16.67MHz
• Rev. B bootROM
• 512x400x1 Mono Video
1
Upgrade to Rev B bootROM with 98563-67001
Reference
37