User`s guide

NUMBER:
S-0001C
PAGE: 4 of 5
EQUITY SERIES HARD DISK CONTROLLER COMPATIBILITY MATRIX
PRODUCT DESCRIPTION COMPATIBLE WITH EQUITY MODEL
COMMENTS
HARD DISK CONTROLLER I
I+ II II+ III
III+
WD1002S-WX2C027
ROM 62-000062-010 X
B,E
WD1002S-WX2C027
ROM 62-000062-010-1
X X
X
B
WD1002A-WX1E027
ROM 62-000062-010-1
X X
X
B,C,D
or 62-000062-13
NCL NDC5207-49
X
X
A
WD1002-WAH
ROM 62-001020-10 X
AND 62-001027-11
EPSON WHDC BOARD
P/N Y127203000
ROM VERSION
WD1015PL-27 or -27B
62-002008-011 or -061
X
X
F,G
CODE EXPLANATIONS:
A. Follow format procedure #2. NCL Hard Disk Controller Board
(NDC5027-49) and DK-505-2 HDD must be used together.
B. Follow format procedure indicated on PSB # S-0005.
C. Short version Western Digital HDC board. Released late 1986.
D. ROM BIOS 62-000062-010-1 and 62-000062-13 are equivalent.
Either ROM may be found on this board.
E. This version HDC ROM BIOS with WD-1015-24 firmware CPU will
not allow auto-boot from hard disk. WD-1015-14 firmware CPU
will work.
F. ROM BIOS # WD1015PL-27 is equivalent to 62-002008-011 these
ROMs have been updated to # WD1015PL-27B or 62-002008-061
which are also equivalent to each other.
G. HDC ROM BIOS must be revision
“B” to work with XENIX software.