Panasonic JB-3300 Technical Manual page 19

T.
SPECIFICATIONS
Logic Unit
CPU
Math Co-processor
ROM
RAM
RAM Expansion
Interrupt
DMA
Timer
Sound Logic
Floppy Disk Controller
Hard Disk Controller
(Hard Disk version)
Display Controller
Character Mode
Graphic Mode
GENERAL
8088 4.77 MHz
8087 (Optional)
16K bytes EPROM in socket (27128)
256K bytes Standard
extendable to a total of 640K bytes
Up to 512K bytes on main P.C.B.
128K bytes optional (512-640K bytes)
inserting RAM board for PC or XT into
option slots
IBM-XT Compatible
IBM-XT Compatible
IBM-XT Compatible
IBM-XT Compatible
IBM-XT Compatible
ITBM-XT Compatible
Option slot is not occupied
IBM-XT Compatible
Special for Plasma Panel
25 x 80 characters
400 x 640 pixels
16 x 8 char. box
or
25 x 40 characters
400 x 320 pixels
16 x © char. box
200 x 320 pixels
200 x 640 pixels
or
406 x 640 pixels