PCChips M549
Also known as: Pine Technology PT-7502-3A/3B
Form factor
Baby-AT (max 220 x 330mm)
PSU connector
AT-Style (P8-P9)
Chipset
Chipset parts
Intel 82437VX (TVX) Intel 82371SB (PIIX3) Intel 82438VX (TDX)
Dimensions
220 mm x 260 mm
CPU socket
Socket 7 (PGA321)
CPU platforms
Pentium (P54)Pentium MMX (P55)
Supported FSB speeds
50MHz, 60MHz, 66MHz, 75MHz, 83MHz, 100MHz
Cache
256 KB , 512 KB
Supported RAM size
128 MB
Supported RAM types
72-pin FPM, 72-pin EDO, SDR UDIMM, 168-pin EDO UDIMM
I/O ports
1x 
Floppy interface
2x 
IDE interface
1x 
PS/2 mouse
1x 
Parallel
2x 
Serial
2x 
USB 1.x
1x 
AT Keyboard
Expansion slots
4x 
32-bit PCI
3x 
16-bit ISA

Known issues:

  • DALLAS RTC may be flat.

    The RTC chip contains a battery which is probably empty by now. This battery holds the CMOS settings. If your board doesn't save the CMOS settings, replace the RTC chip with an equivalent, or mod the existing chip. Replacements can be made following this https://github.com/necroware/nwX287 or this https://github.com/necroware/nw12887 depending on the actual chip used.

  • Insufficient Power Delivery.

    May spontaneously combust, blow up, or damage hardware due to electrical failure.

Notes

Shares BIOS with the PCChips M520/M525/M530/M535/M536/M538. Needs patched BIOS (either the patched last official BIOS or the Unicore BIOS) to use HDDs larger than 32 GB.

Last updated 2022-08-24T12:36:51Z
drv Drivers: 1 entry
Language
Media type
OS Compatibility
Name
Version
English
1x Archive
win95 Windows 95 winnt3.5x Windows NT 3.5 winnt4 Windows NT 4.0 os2 3.x OS/2 Warp 3.0 ?
BIOS images: no files available
Manuf.
POST String
Note
Core Ver.
BIOS Ver.
Award
Shares BIOS with M520, compatible with release 03/03/1997 or newer
4.51PG
doc Documentation: 2 entries
Model
Speed
FSB
Voltages
L1 Cache
L2 Cache
L3 Cache
Core
Process
TDP
AMD K5 PR200
133MHz
66MHz
3.5V
24KB
-
-
5k86
350nm
-
AMD K5 PR100
100MHz
66MHz
3.5V
24KB
-
-
SSA/5
350nm
15W
AMD K5 PR133
100MHz
66MHz
3.5V
24KB
-
-
5k86
350nm
14W
AMD K5 PR90
90MHz
60MHz
3.5V
24KB
-
-
SSA/5
350nm
14W
AMD K5 PR120
90MHz
60MHz
3.5V
24KB
-
-
5k86
350nm
12W
AMD K5 PR75
75MHz
50MHz
3.5V
24KB
-
-
SSA/5
350nm
-
AMD K6-2 400
400MHz
66MHz
2.4V
64KB
-
-
Chomper
250nm
-
AMD K6-2 400
400MHz
66MHz
2.2V
64KB
-
-
Chomper
250nm
17W
AMD K6-2 400
400MHz
66MHz
2.2V
64KB
-
-
Chomper
250nm
23W
AMD K6-2 233
233MHz
66MHz
2.2V
64KB
-
-
Chomper
250nm
-
AMD K6 233
233MHz
66MHz
2.2V
64KB
-
-
Little Foot
250nm
13W
AMD K6 233
233MHz
66MHz
3.3V
64KB
-
-
Model 6
350nm
30W
AMD K6 233
233MHz
66MHz
3.2V
64KB
-
-
Model 6
350nm
28W
AMD K6-2 200
200MHz
66MHz
2.2V
64KB
-
-
Chomper
250nm
-
AMD K6 200
200MHz
66MHz
2.2V
64KB
-
-
Little Foot
250nm
12W
AMD K6 200
200MHz
66MHz
2.9V
64KB
-
-
Model 6
350nm
20W
AMD K6 166
166MHz
66MHz
2.9V
64KB
-
-
Model 6
350nm
17W
Cyrix 6x86 P200+
150MHz
75MHz
3.3V
16KB
-
-
M1
440nm
-
Cyrix 6x86 P166+
133MHz
66MHz
3.3V
16KB
-
-
M1
650nm
-
Cyrix 6x86 P150+
120MHz
60MHz
3.3V
16KB
-
-
M1
650nm
-
Cyrix 6x86 100
100MHz
50MHz
3.3V
16KB
-
-
M1
650nm
-
Cyrix 6x86 P120+
100MHz
50MHz
3.3V
16KB
-
-
M1
650nm
-
Cyrix 6x86MX PR233
166MHz
83MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86MX PR200
150MHz
75MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86L PR200+
150MHz
75MHz
2.8V
16KB
-
-
M1L
350nm
-
Cyrix 6x86MX PR300
233MHz
66MHz
2.9V
64KB
-
-
M2
250nm
-
Cyrix MII 300
233MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86MX PR233
200MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix MII 233
200MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix MII 266
200MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86MX PR200
166MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix MII 200
166MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86MX PR166
133MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86MX PR150
133MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86L PR166+
133MHz
66MHz
2.8V
16KB
-
-
M1L
350nm
-
Cyrix 6x86MX PR166
150MHz
60MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86L PR150+
120MHz
60MHz
2.8V
16KB
-
-
M1L
350nm
-
Cyrix 6x86L PR120+
100MHz
50MHz
2.8V
16KB
-
-
M1L
350nm
-
Cyrix 6x86L P120+
100MHz
50MHz
2.8V
16KB
-
-
M1L
500nm
-
IDT WinChip 2A 200
200MHz
66MHz
3.52V
64KB
-
-
-
250nm
12W
IDT WinChip 2 200
200MHz
66MHz
3.52V
64KB
-
-
-
250nm
12W
IDT WinChip C6 200
200MHz
66MHz
3.52V
64KB
-
-
-
350nm
13W
IDT WinChip 2B 200
200MHz
66MHz
2.8V
64KB
-
-
-
250nm
-
Intel Pentium 200
200MHz
66MHz
3.3V
16KB
-
-
P54CS
350nm
-
Intel Pentium 166
166MHz
66MHz
3.3V
16KB
-
-
P54CS
350nm
-
Intel Pentium 133
133MHz
66MHz
3.3V
16KB
-
-
P54CS
350nm
-
Intel Pentium 100
100MHz
66MHz
3.3V
16KB
-
-
P54C
600nm
-
Intel Pentium 150
150MHz
60MHz
3.3V
16KB
-
-
P54CS
350nm
-
Intel Pentium 120
120MHz
60MHz
3.3V
16KB
-
-
P54C
600nm
-
Intel Pentium 90
90MHz
60MHz
3.3V
16KB
-
-
P54C
600nm
-
Intel Pentium 75
75MHz
50MHz
3.3V
16KB
-
-
P54C
600nm
-
Intel Pentium MMX 233
233MHz
66MHz
2.8V
32KB
-
-
P55C
350nm
-
Intel Pentium MMX 200
200MHz
66MHz
2.8V
32KB
-
-
P55C
350nm
-
Intel Pentium MMX 166
166MHz
66MHz
2.8V
32KB
-
-
P55C
350nm
-
No NPUs listed.

Disclaimer

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